**Title:** Lesson 3: Recycle, Recycle, Recycle

**Description:**
This lesson may be taught as part of the Unit Plan - Solutions to Lessen Human Impact on the Environment. In this lesson, students will participate in creating a recycle drive for a classroom project. Students will create the notification for parents for the recycle drive to help collect items to be recycled. Students will decide by voting on which items they will recycle. Students will bring recyclable items to the classroom for the project. Recyclable materials will be sorted, weighed, and graphed to compare the different items.
This unit was created as part of the ALEX Interdisciplinary Resource Development Summit.
**Standard(s): **

[MA2015] (0) 4: Understand the relationship between numbers and quantities; connect counting to cardinality. [K-CC4]

**Subject:**English Language Arts (K), or Mathematics (K), or Science (K)

**Title:**Lesson 3: Recycle, Recycle, Recycle

**Description:**This lesson may be taught as part of the Unit Plan - Solutions to Lessen Human Impact on the Environment. In this lesson, students will participate in creating a recycle drive for a classroom project. Students will create the notification for parents for the recycle drive to help collect items to be recycled. Students will decide by voting on which items they will recycle. Students will bring recyclable items to the classroom for the project. Recyclable materials will be sorted, weighed, and graphed to compare the different items. This unit was created as part of the ALEX Interdisciplinary Resource Development Summit.

**Title:** Interactive Calendar

**Description:**
Students will explore a calendar through an interactive PowerPoint. They will apply this knowledge independently on an actual calendar.
**Standard(s): **

[MA2015] (0) 16: Classify objects into given categories; count the number of objects in each category, and sort the categories by count. (Limit category counts to be less than or equal to 10.) [K-MD3]

**Subject:**Mathematics (K)

**Title:**Interactive Calendar

**Description:**Students will explore a calendar through an interactive PowerPoint. They will apply this knowledge independently on an actual calendar.

**Title:** Digging In For Dirt Day!

**Description:**
This lesson is managed through stations that students will rotate around every 20- 30 minutes. Each second grade teacher conducts one station. Parent volunteers can also be used to manage stations. Students will use an auger to gather soil, produce a soil painting, make a dirt cup to represent layers of soil, do a Shake It Up! activity to examine how soil settles, and examine local soil.
This lesson plan was created as a result of the Girls Engaged in Math and Science University, GEMS-U Project.
**Standard(s): **

[ELA2015] (2) 23: Write informative or explanatory texts in which they introduce a topic, use facts and definitions to develop points, and provide a concluding statement or section. [W.2.2]

**Subject:**English Language Arts (2), or Mathematics (K - 2), or Credit Recovery Science (2), or Science (4), or Technology Education (K - 2)

**Title:**Digging In For Dirt Day!

**Description:**This lesson is managed through stations that students will rotate around every 20- 30 minutes. Each second grade teacher conducts one station. Parent volunteers can also be used to manage stations. Students will use an auger to gather soil, produce a soil painting, make a dirt cup to represent layers of soil, do a Shake It Up! activity to examine how soil settles, and examine local soil. This lesson plan was created as a result of the Girls Engaged in Math and Science University, GEMS-U Project.

**Title:** A Scents-able Solution

**Description:**
Students will use a variety of math operations to create a flower bouquet within a budget.
This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.
**Standard(s): **

[MA2015] (0) 19: Identify shapes as two-dimensional (lying in a plane, "flat") or three-dimensional ("solid"). [K-G3]

**Subject:**Mathematics (K)

**Title:**A Scents-able Solution

**Description:**Students will use a variety of math operations to create a flower bouquet within a budget. This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.

**Title:** What’s That Coin?

**Description:**
This Five E’s AMSTI lesson prompts students to pay close attention to the details on each of the four U.S. coins as they learn the coin names. Students watch a video clip about the differences in the coins, sort real coins by attributes, and describe details observed on each coin during this activity. Student knowledge of coin names is cemented during a large group electronic coin sorting and naming activity. Finally, small groups graph collections of coins.
This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.
**Standard(s): **

[MA2015] (2) 21: Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately. [2-MD8]

**Subject:**Mathematics (K - 2)

**Title:**What’s That Coin?

**Description:**This Five E’s AMSTI lesson prompts students to pay close attention to the details on each of the four U.S. coins as they learn the coin names. Students watch a video clip about the differences in the coins, sort real coins by attributes, and describe details observed on each coin during this activity. Student knowledge of coin names is cemented during a large group electronic coin sorting and naming activity. Finally, small groups graph collections of coins. This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.

**Title:** What's in a Name: Graphing Lesson

**Description:**
During this lesson, students will learn to graph information. After reading, Chrysanthemum by Kevin Henkes, students will discuss the length of their names. Students will learn to graph their names and compare their names to others.
**Standard(s): **

[MA2015] (2) 23: Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put-together, take-apart, and compare problems using information presented in a bar graph. (See Appendix A, Table 1.) [2-MD10]

**Subject:**Character Education (K - 12), or Mathematics (K - 2)

**Title:**What's in a Name: Graphing Lesson

**Description:**During this lesson, students will learn to graph information. After reading, Chrysanthemum by Kevin Henkes, students will discuss the length of their names. Students will learn to graph their names and compare their names to others.

**Title:** Congruent Figures

**Description:**
This lesson is an introduction to a unit about congruent shapes. Students will begin by listening to a book about shapes. They will then complete several hands-on activities, including sorting shapes, using their bodies to form congruent shapes, and using activities on the Internet to practice forming congruent shapes.
**Standard(s): **

[MA2015] (2) 26: Partition circles and rectangles into two, three, or four equal shares; describe the shares using the words *halves, thirds, half of, a third of*, etc.; and describe the whole as two halves, three thirds, or four fourths. Recognize that equal shares of identical wholes need not have the same shape. [2-G3]

**Subject:**Mathematics (K - 2), or Technology Education (K - 2)

**Title:**Congruent Figures

**Description:**This lesson is an introduction to a unit about congruent shapes. Students will begin by listening to a book about shapes. They will then complete several hands-on activities, including sorting shapes, using their bodies to form congruent shapes, and using activities on the Internet to practice forming congruent shapes.

**Title:** Counting Backward from Ten

**Description:**
Students will be introduced in this lesson to the concept of orally counting backward from ten using a book, number cards, and the Internet.
**Standard(s): **

[MA2015] (0) 16: Classify objects into given categories; count the number of objects in each category, and sort the categories by count. (Limit category counts to be less than or equal to 10.) [K-MD3]

**Subject:**Mathematics (K)

**Title:**Counting Backward from Ten

**Description:**Students will be introduced in this lesson to the concept of orally counting backward from ten using a book, number cards, and the Internet.

**Title:** It's Your Birthday, Dr. Seuss!

**Description:**
This lesson plan is intended to be used during the month of March when the class is preparing to celebrate Dr. Seuss Day. After listening to and reading different stories by Dr. Seuss, the students have opportunities to compare and contrast story elements through critical thinking and Venn diagrams.
**Standard(s): **

[ELA2015] (3) 3: Describe characters in a story (e.g., their traits, motivations, or feelings) and explain how their actions contribute to the sequence of events. [RL.3.3]

**Subject:**Character Education (K - 12), or English Language Arts (1 - 3), or Mathematics (K - 2), or Technology Education (K - 5)

**Title:**It's Your Birthday, Dr. Seuss!

**Description:**This lesson plan is intended to be used during the month of March when the class is preparing to celebrate Dr. Seuss Day. After listening to and reading different stories by Dr. Seuss, the students have opportunities to compare and contrast story elements through critical thinking and Venn diagrams.

**Title:** Fishy Addition!

**Description:**
In this lesson, students will use manipulatives to act out and solve simple addition problems.
**Standard(s): **

[MA2015] (0) 16: Classify objects into given categories; count the number of objects in each category, and sort the categories by count. (Limit category counts to be less than or equal to 10.) [K-MD3]

**Subject:**Mathematics (K)

**Title:**Fishy Addition!

**Description:**In this lesson, students will use manipulatives to act out and solve simple addition problems.

**Title:** Graphing M

**Description:**
During this lesson, students will learn how to create a graph using M&M's. Students will compare the different numbers of M&M's by creating different math problems. Students will practice working different math problems on the Internet. Experience from this activity will be used to participate in the voting process.
**Standard(s): **

[MA2015] (2) 23: Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put-together, take-apart, and compare problems using information presented in a bar graph. (See Appendix A, Table 1.) [2-MD10]

**Subject:**Mathematics (K - 2), or Technology Education (K - 2)

**Title:**Graphing M

**Description:**During this lesson, students will learn how to create a graph using M&M's. Students will compare the different numbers of M&M's by creating different math problems. Students will practice working different math problems on the Internet. Experience from this activity will be used to participate in the voting process.

**Title:** Animal Cracker Sorting

**Description:**
In this lesson students will be given the opportunity to practice using mathematical vocabulary to describe a set of data. Following data collection students will also create a graph using the computer.
**Standard(s): **

[MA2015] (2) 23: Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put-together, take-apart, and compare problems using information presented in a bar graph. (See Appendix A, Table 1.) [2-MD10]

**Subject:**Mathematics (K - 2), or Technology Education (K - 2)

**Title:**Animal Cracker Sorting

**Description:**In this lesson students will be given the opportunity to practice using mathematical vocabulary to describe a set of data. Following data collection students will also create a graph using the computer.

**Title:** "Nuts" About Peanuts! (Reading)

**Description:**
The lesson will be implemented as part of a unit about plants. The students will learn about the growth cycle of a peanut and use a Five-Step Sequence Think-sheet to sequence the steps. They will also make predictions and complete activities to check their predictions/draw conclusions (including math skills of graphing and comparing). Student understanding will be enhanced with the use of books, class discussions, and the Internet.
**Standard(s): **

[MA2015] (2) 23: Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put-together, take-apart, and compare problems using information presented in a bar graph. (See Appendix A, Table 1.) [2-MD10]

**Subject:**English Language Arts (1), or Mathematics (K - 2), or Credit Recovery Science (1), or Science (3), or Technology Education (K - 2)

**Title:**"Nuts" About Peanuts! (Reading)

**Description:**The lesson will be implemented as part of a unit about plants. The students will learn about the growth cycle of a peanut and use a Five-Step Sequence Think-sheet to sequence the steps. They will also make predictions and complete activities to check their predictions/draw conclusions (including math skills of graphing and comparing). Student understanding will be enhanced with the use of books, class discussions, and the Internet.

**Title:** Glorious Sunflowers

**Description:**
In this lesson students will identify, measure and graph seeds and other characteristics of sunflowers and write descriptive and narrative paragraphs about sunflowers.
**Standard(s): **

[MA2015] (2) 23: Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put-together, take-apart, and compare problems using information presented in a bar graph. (See Appendix A, Table 1.) [2-MD10]

**Subject:**English Language Arts (2), or Mathematics (K - 3)

**Title:**Glorious Sunflowers

**Description:**In this lesson students will identify, measure and graph seeds and other characteristics of sunflowers and write descriptive and narrative paragraphs about sunflowers.

**Title:** What do Plants Need?

**Description:**
In this lesson, students will understand that in order to grow healthy plants, soil, water, light, and air must be provided. Students will use math skills such as measurement and science process skills such as observation, comparing, and recording data.
**Standard(s): **

[MA2015] (2) 23: Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put-together, take-apart, and compare problems using information presented in a bar graph. (See Appendix A, Table 1.) [2-MD10]

**Subject:**Mathematics (K - 3), or Credit Recovery Science (3), or Science (2)

**Title:**What do Plants Need?

**Description:**In this lesson, students will understand that in order to grow healthy plants, soil, water, light, and air must be provided. Students will use math skills such as measurement and science process skills such as observation, comparing, and recording data.

**Title:** Using the Number Line to Compare

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students determine differences using the number line to compare lengths. Because this model is based on linear measurement, it is a distinctly different representation from the models presented in the first two lessons of this unit. At the end of this lesson, children are encouraged to predict differences and answer puzzles involving subtraction.
**Standard(s): **

[MA2015] (2) 15: Measure the length of an object twice, using length units of different lengths for the two measurements; describe how the two measurements relate to the size of the unit chosen. [2-MD2]

**Subject:**Mathematics

**Title:**Using the Number Line to Compare

**Description:**In this lesson, one of a multi-part unit from Illuminations, students determine differences using the number line to compare lengths. Because this model is based on linear measurement, it is a distinctly different representation from the models presented in the first two lessons of this unit. At the end of this lesson, children are encouraged to predict differences and answer puzzles involving subtraction.

**Thinkfinity Partner:**Illuminations

**Grade Span:**K,PreK,1,2

**Title:** Begin with Buttons: Looking Back and Moving Forward

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students review the work of the previous lessons through a variety of activity stations, one of which involves using an interactive Web site. Students model with buttons and record addition and subtraction.
**Standard(s): **

[MA2015] (1) 5: Relate counting to addition and subtraction (e.g., by counting on 2 to add 2). [1-OA5]

**Subject:**Mathematics

**Title:**Begin with Buttons: Looking Back and Moving Forward

**Description:**In this lesson, one of a multi-part unit from Illuminations, students review the work of the previous lessons through a variety of activity stations, one of which involves using an interactive Web site. Students model with buttons and record addition and subtraction.

**Thinkfinity Partner:**Illuminations

**Grade Span:**K,PreK,1,2

**Title:** My Pet

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students develop and use spatial relationships and spatial memory by creating a map of a pet. The students use visual and spatial skills, measure with nonstandard units, and describe '' trips'' around their pet using directional and positional words.
**Standard(s): **

[SS2010] LWT1 (1) 8: Identify land masses, bodies of water, and other physical features on maps and globes.

**Subject:**Mathematics,Social Studies

**Title:**My Pet

**Description:**In this lesson, one of a multi-part unit from Illuminations, students develop and use spatial relationships and spatial memory by creating a map of a pet. The students use visual and spatial skills, measure with nonstandard units, and describe '' trips'' around their pet using directional and positional words.

**Thinkfinity Partner:**Illuminations

**Grade Span:**K,PreK,1,2

**Title:** Freckle Face

**Description:**
This lesson, one of a multi-part unit from Illuminations, initiates the development of skills in collecting and recording data. Students collect data about a partner s face and tally the data from the whole class. They learn the convention for displaying a set of five using tally marks. Students then create a pictograph and pose and answer questions about the data set. Several pieces of literature appropriate for use with this lesson are suggested.
**Standard(s): **

[MA2015] (2) 23: Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put-together, take-apart, and compare problems using information presented in a bar graph. (See Appendix A, Table 1.) [2-MD10]

**Subject:**Mathematics

**Title:**Freckle Face

**Description:**This lesson, one of a multi-part unit from Illuminations, initiates the development of skills in collecting and recording data. Students collect data about a partner s face and tally the data from the whole class. They learn the convention for displaying a set of five using tally marks. Students then create a pictograph and pose and answer questions about the data set. Several pieces of literature appropriate for use with this lesson are suggested.

**Thinkfinity Partner:**Illuminations

**Grade Span:**K,PreK,1,2

**Title:** How Big Is Your Heart?

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students explore the size of their hearts. They do this by measuring the length, width, and circumference of their fists and relating this to the size of their hearts.
**Standard(s): **

[MA2015] (2) 26: Partition circles and rectangles into two, three, or four equal shares; describe the shares using the words *halves, thirds, half of, a third of*, etc.; and describe the whole as two halves, three thirds, or four fourths. Recognize that equal shares of identical wholes need not have the same shape. [2-G3]

**Subject:**Mathematics,Science

**Title:**How Big Is Your Heart?

**Description:**In this lesson, one of a multi-part unit from Illuminations, students explore the size of their hearts. They do this by measuring the length, width, and circumference of their fists and relating this to the size of their hearts.

**Thinkfinity Partner:**Illuminations

**Grade Span:**K,PreK,1,2

**Title:** Plastic Packaging

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students investigate data in connection with recyclable materials and develop plans to help the environment. Students gather and graph data about plastic packaging and recycling and then interpret the graph to assist in developing a recycling plan.
**Standard(s): **

[MA2015] (3) 18: Draw a scaled picture graph and a scaled bar graph to represent a data set with several categories. Solve one- and two-step "how many more" and "how many less" problems using information presented in scaled bar graphs. [3-MD3]

**Subject:**Mathematics,Science

**Title:**Plastic Packaging

**Description:**In this lesson, one of a multi-part unit from Illuminations, students investigate data in connection with recyclable materials and develop plans to help the environment. Students gather and graph data about plastic packaging and recycling and then interpret the graph to assist in developing a recycling plan.

**Thinkfinity Partner:**Illuminations

**Grade Span:**K,PreK,1,2,3,4,5

**Title:** Calculating Patterns

**Description:**
In this eight lesson unit, from Illuminations, students represent patterns in different ways. They solve problems; make, explain, and defend conjectures; make generalizations; and extend and clarify their knowledge.
**Standard(s): **

[MA2015] (0) 16: Classify objects into given categories; count the number of objects in each category, and sort the categories by count. (Limit category counts to be less than or equal to 10.) [K-MD3]

**Subject:**Mathematics

**Title:**Calculating Patterns

**Description:**In this eight lesson unit, from Illuminations, students represent patterns in different ways. They solve problems; make, explain, and defend conjectures; make generalizations; and extend and clarify their knowledge.

**Thinkfinity Partner:**Illuminations

**Grade Span:**K,PreK,1,2

**Title:** More and More Buttons

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students use buttons to create, model, and record addition sentences. They also explore commutativity in addition contexts.
**Standard(s): **

[MA2015] (0) 16: Classify objects into given categories; count the number of objects in each category, and sort the categories by count. (Limit category counts to be less than or equal to 10.) [K-MD3]

**Subject:**Mathematics

**Title:**More and More Buttons

**Description:**In this lesson, one of a multi-part unit from Illuminations, students use buttons to create, model, and record addition sentences. They also explore commutativity in addition contexts.

**Thinkfinity Partner:**Illuminations

**Grade Span:**K,PreK,1,2

**Title:** Estimation and Measurement

**Description:**
In this Science NetLinks lesson, students are introduced to the concept of units of measurement. Students first measure with the idea of units in mind and are then challenged to consider why it is important to have standardized units of measurement. Then they measure with standardized units and compare results with one another.
**Standard(s): **

[MA2015] (0) 16: Classify objects into given categories; count the number of objects in each category, and sort the categories by count. (Limit category counts to be less than or equal to 10.) [K-MD3]

**Subject:**Mathematics

**Title:**Estimation and Measurement

**Description:**In this Science NetLinks lesson, students are introduced to the concept of units of measurement. Students first measure with the idea of units in mind and are then challenged to consider why it is important to have standardized units of measurement. Then they measure with standardized units and compare results with one another.

**Thinkfinity Partner:**Science NetLinks

**Grade Span:**K,1,2

**Title:** How Many Buttons?

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students review classification, make sets of a given number, explore relationships between numbers, and find numbers that are one more and one less than a given number. They apply their knowledge of classification as they play a game similar to bingo. Several pieces of literature appropriate for use with this lesson are suggested.
**Standard(s): **

[MA2015] (1) 19: Distinguish between defining attributes (e.g., triangles are closed and three-sided) versus non-defining attributes (e.g., color, orientation, overall size); build and draw shapes to possess defining attributes. [1-G1]

**Subject:**Language Arts,Mathematics

**Title:**How Many Buttons?

**Description:**In this lesson, one of a multi-part unit from Illuminations, students review classification, make sets of a given number, explore relationships between numbers, and find numbers that are one more and one less than a given number. They apply their knowledge of classification as they play a game similar to bingo. Several pieces of literature appropriate for use with this lesson are suggested.

**Thinkfinity Partner:**Illuminations

**Grade Span:**K,PreK,1,2

**Title:** Pyramid Power

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students make sets of a given number, explore relationships between numbers, and write numbers that enumerate how many elements are in a group. They make and record sets of one more and one less than a given number. They have the opportunity to apply their reasoning and communication skills in this lesson.
**Standard(s): **

[MA2015] (2) 23: Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put-together, take-apart, and compare problems using information presented in a bar graph. (See Appendix A, Table 1.) [2-MD10]

**Subject:**Health,Mathematics

**Title:**Pyramid Power

**Description:**In this lesson, one of a multi-part unit from Illuminations, students make sets of a given number, explore relationships between numbers, and write numbers that enumerate how many elements are in a group. They make and record sets of one more and one less than a given number. They have the opportunity to apply their reasoning and communication skills in this lesson.

**Thinkfinity Partner:**Illuminations

**Grade Span:**K,PreK,1,2

**Title:** Judge and Jury

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students participate in activities in which they focus on the uses of numbers. The activities use the theme of games to develop concepts of measurement and statistics. Students are asked to measure distances using standard and nonstandard units and to record their measurement in various tables. Then use descriptive statistics to report the results.
**Standard(s): **

[MA2015] (1) 18: Organize, represent, and interpret data with up to three categories; ask and answer questions about the total number of data points, how many in each category, and how many more or less are in one category than in another. [1-MD4]

**Subject:**Mathematics

**Title:**Judge and Jury

**Description:**In this lesson, one of a multi-part unit from Illuminations, students participate in activities in which they focus on the uses of numbers. The activities use the theme of games to develop concepts of measurement and statistics. Students are asked to measure distances using standard and nonstandard units and to record their measurement in various tables. Then use descriptive statistics to report the results.

**Thinkfinity Partner:**Illuminations

**Grade Span:**K,PreK,1,2

**Title:** Balancing Act

**Description:**
In this Illuminations lesson plan, students use mathematical models to represent and understand quantitative relationships. They are presented with pictures of pan balances with one or more objects in each pan. From these pictures, students discover relationships between and among the weights of the objects by comparing the balanced pans with those that are out of balance.
**Standard(s): **

[MA2015] (0) 16: Classify objects into given categories; count the number of objects in each category, and sort the categories by count. (Limit category counts to be less than or equal to 10.) [K-MD3]

**Subject:**Mathematics

**Title:**Balancing Act

**Description:**In this Illuminations lesson plan, students use mathematical models to represent and understand quantitative relationships. They are presented with pictures of pan balances with one or more objects in each pan. From these pictures, students discover relationships between and among the weights of the objects by comparing the balanced pans with those that are out of balance.

**Thinkfinity Partner:**Illuminations

**Grade Span:**K,PreK,1,2

**Title:** Shirts Full of Buttons

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students explore subtraction in the comparative mode by answering questions such as How many more? and How many less? as they match sets of buttons. They also make and discuss bar graphs based on the number of buttons they are wearing.
**Standard(s): **

[MA2015] (2) 23: Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put-together, take-apart, and compare problems using information presented in a bar graph. (See Appendix A, Table 1.) [2-MD10]

**Subject:**Mathematics

**Title:**Shirts Full of Buttons

**Description:**In this lesson, one of a multi-part unit from Illuminations, students explore subtraction in the comparative mode by answering questions such as How many more? and How many less? as they match sets of buttons. They also make and discuss bar graphs based on the number of buttons they are wearing.

**Thinkfinity Partner:**Illuminations

**Grade Span:**K,PreK,1,2

**Title:** Counting Back and Counting On

**Description:**
This lesson, one of a multi-part unit from Illuminations, focuses on the counting model for subtraction. Students model numbers as a counting book is read. They then make a chain of links and write in vertical and horizontal format the differences suggested by adding and subtracting one link at a time from their chains. Finally, they draw a chain showing one link being taken away and write in two formats the difference it represents.
**Standard(s): **

[MA2015] (2) 20: Tell and write time from analog and digital clocks to the nearest five minutes, using a.m. and p.m. [2-MD7]

**Subject:**Mathematics

**Title:**Counting Back and Counting On

**Description:**This lesson, one of a multi-part unit from Illuminations, focuses on the counting model for subtraction. Students model numbers as a counting book is read. They then make a chain of links and write in vertical and horizontal format the differences suggested by adding and subtracting one link at a time from their chains. Finally, they draw a chain showing one link being taken away and write in two formats the difference it represents.

**Thinkfinity Partner:**Illuminations

**Grade Span:**K,PreK,1,2

**Title:** Measuring with Our Foot

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students measure distances using an outline cutout of their own foot. This enables students to practice using nonstandard units and to compare the measurement totals using their feet and the teacher s foot (used in a previous lesson).
**Standard(s): **

[MA2015] (0) 16: Classify objects into given categories; count the number of objects in each category, and sort the categories by count. (Limit category counts to be less than or equal to 10.) [K-MD3]

**Subject:**Mathematics

**Title:**Measuring with Our Foot

**Description:**In this lesson, one of a multi-part unit from Illuminations, students measure distances using an outline cutout of their own foot. This enables students to practice using nonstandard units and to compare the measurement totals using their feet and the teacher s foot (used in a previous lesson).

**Thinkfinity Partner:**Illuminations

**Grade Span:**K,PreK,1,2

**Title:** Building Sets of 17 and 18

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students explore sets of up to18. They construct sets up to 18, write the numerals 17 and 18, and model 17 and 18 with bean sticks, cubes, and ten frames.
**Standard(s): **

[MA2015] (2) 6: Count within 1000; skip-count by 5s, 10s, and 100s. [2-NBT2]

**Subject:**Mathematics

**Title:**Building Sets of 17 and 18

**Description:**In this lesson, one of a multi-part unit from Illuminations, students explore sets of up to18. They construct sets up to 18, write the numerals 17 and 18, and model 17 and 18 with bean sticks, cubes, and ten frames.

**Thinkfinity Partner:**Illuminations

**Grade Span:**K,PreK,1,2

**Title:** Sorting Foods

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students visit a Web site to play a game related to the food pyramid and sort foods using the categories of the food pyramid. They also create sets up to ten and write numerals up to ten. This lesson makes a natural connection to the science of nutrition.
**Standard(s): **

[MA2015] (0) 16: Classify objects into given categories; count the number of objects in each category, and sort the categories by count. (Limit category counts to be less than or equal to 10.) [K-MD3]

**Subject:**Health,Mathematics

**Title:**Sorting Foods

**Description:**In this lesson, one of a multi-part unit from Illuminations, students visit a Web site to play a game related to the food pyramid and sort foods using the categories of the food pyramid. They also create sets up to ten and write numerals up to ten. This lesson makes a natural connection to the science of nutrition.

**Thinkfinity Partner:**Illuminations

**Grade Span:**K,PreK,1,2

**Title:** Building Sets of Ten

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students explore sets of up to 10 items and practice writing the numbers 0 through 10. Students count back from 10, identify sets of up to 10 objects, and record 10 on a chart. They also construct and decompose sets of up to 10 items. This lesson provides opportunities for reasoning and communication.
**Standard(s): **

[MA2015] (0) 16: Classify objects into given categories; count the number of objects in each category, and sort the categories by count. (Limit category counts to be less than or equal to 10.) [K-MD3]

**Subject:**Mathematics

**Title:**Building Sets of Ten

**Description:**In this lesson, one of a multi-part unit from Illuminations, students explore sets of up to 10 items and practice writing the numbers 0 through 10. Students count back from 10, identify sets of up to 10 objects, and record 10 on a chart. They also construct and decompose sets of up to 10 items. This lesson provides opportunities for reasoning and communication.

**Thinkfinity Partner:**Illuminations

**Grade Span:**K,PreK,1,2