ALEX Lesson Plans
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Title: To Push or Pull, That Is The Question?
Description:
In group students will learn to identify pushes and pulls. Students will learn how a push or pull will affect various items.
This lesson plan was created as a result of the Girls Engaged in Math and Science University, GEMSU Project.
Standard(s): [MA2013] (1) 6: Add and subtract within 20, demonstrating fluency for addition and subtraction within 10.
Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 – 4 = 13 – 3 – 1 = 10 – 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows
12 – 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13). [1OA6]
Subject: Mathematics (K  1), or Science (K  1), or Technology Education (K  2)
Title: To Push or Pull, That Is The Question?
Description: In group students will learn to identify pushes and pulls. Students will learn how a push or pull will affect various items.
This lesson plan was created as a result of the Girls Engaged in Math and Science University, GEMSU Project.
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Title: We Are Family!
Description:
This is a fun way to incorporate fun with addition and subtraction fact families. The students will have fun matching facts and making a happy home.This lesson plan was created as a result of the Girls Engaged in Math and Science University, GEMSU Project.
Standard(s): [MA2013] (2) 23: Draw a picture graph and a bar graph (with singleunit scale) to represent a data set with up to four categories. Solve simple puttogether, takeapart, and compare problems using information presented in a bar graph. (See Appendix A, Table 1.) [2MD10]
Subject: Mathematics (K  2), or Technology Education (3  5)
Title: We Are Family!
Description:
This is a fun way to incorporate fun with addition and subtraction fact families. The students will have fun matching facts and making a happy home.This lesson plan was created as a result of the Girls Engaged in Math and Science University, GEMSU Project.
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Title: Fishy Addition!
Description:
In this lesson, students will use manipulatives to act out and solve simple addition problems.
Standard(s): [MA2013] (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.) [KMD3]
Subject: Mathematics (K)
Title: Fishy Addition!
Description: In this lesson, students will use manipulatives to act out and solve simple addition problems.
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Title: Hundred Blocks Board
Description:
In this lesson students will practice adding, subtracting, and multiplying without regrouping using a hundred blocks board. Students will be given opportunities to identify and discuss different patterns that they discover and relate number patterns to visual patterns.
Standard(s): [MA2013] (3) 9: Identify arithmetic patterns (including patterns in the addition table or multiplication table), and explain them using properties of operations. [3OA9]
Subject: Mathematics (K  3), or Technology Education (K  2)
Title: Hundred Blocks Board
Description: In this lesson students will practice adding, subtracting, and multiplying without regrouping using a hundred blocks board. Students will be given opportunities to identify and discuss different patterns that they discover and relate number patterns to visual patterns.
Thinkfinity Lesson Plans
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Title: Begin with Buttons: Looking Back and Moving Forward
Description:
In this lesson, one of a multipart 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): [MA2013] (1) 5: Relate counting to addition and subtraction (e.g., by counting on 2 to add 2). [1OA5]
Subject: Mathematics Title: Begin with Buttons: Looking Back and Moving Forward
Description: In this lesson, one of a multipart 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
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Title: Hopping on the Number Line
Description:
In this lesson, one of a multipart unit from Illuminations, students generate sums using the '' number line'' model. This model highlights the measurement aspect of addition and is a distinctly different representation of the operation from the model presented in lesson one. The order property is also introduced. At the end of the lesson, students are encouraged to predict sums and to answer puzzles involving addition.
Standard(s): [MA2013] (2) 13: Explain why addition and subtraction strategies work, using place value and the properties of operations. (Explanations may be supported by drawings or objects.) [2NBT9]
Subject: Mathematics Title: Hopping on the Number Line
Description: In this lesson, one of a multipart unit from Illuminations, students generate sums using the '' number line'' model. This model highlights the measurement aspect of addition and is a distinctly different representation of the operation from the model presented in lesson one. The order property is also introduced. At the end of the lesson, students are encouraged to predict sums and to answer puzzles involving addition. Thinkfinity Partner: Illuminations Grade Span: K,PreK,1,2
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Title: Zero Our Hero
Description:
In this lesson, one of a multipart unit from Illuminations, students explore sets of zero items and practice writing the numbers 0 through 5. Students count back from five, identify sets of up to five items, and record 0 on a chart. They also construct sets of up to five items.
Standard(s): [MA2013] (0) 3: Write numbers from 0 to 20. Represent a number of objects with a written numeral 020 (with 0 representing a count of no objects). [KCC3]
Subject: Mathematics Title: Zero Our Hero
Description: In this lesson, one of a multipart unit from Illuminations, students explore sets of zero items and practice writing the numbers 0 through 5. Students count back from five, identify sets of up to five items, and record 0 on a chart. They also construct sets of up to five items. Thinkfinity Partner: Illuminations Grade Span: K,PreK,1,2
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Title: Let's Learn Those Facts: Looking Back and Moving Forward
Description:
In this lesson, one of a multipart unit from Illuminations, students display their knowledge of properties of objects for sorting and creating patterns. They also demonstrate an understanding of commutativity and model addition and subtraction of whole numbers using different representations.
Standard(s): [MA2013] (2) 9: Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction. [2NBT5]
Subject: Mathematics Title: Let's Learn Those Facts: Looking Back and Moving Forward
Description: In this lesson, one of a multipart unit from Illuminations, students display their knowledge of properties of objects for sorting and creating patterns. They also demonstrate an understanding of commutativity and model addition and subtraction of whole numbers using different representations. Thinkfinity Partner: Illuminations Grade Span: K,PreK,1,2
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Title: Counting Back and Counting On
Description:
In this lesson, one of a multipart unit from Illuminations, students model subtraction with connecting cubes while the teacher reads to them from counting books. Then, students make a train of connecting cubes and write in vertical and horizontal format the differences suggested by adding to and subtracting from the train, one cube at a time. Finally, students record in their learning portfolio for the unit a train showing one cube being taken away and record the difference in vertical and horizontal format. Several pieces of literature appropriate for use with this lesson are suggested.
Standard(s): [MA2013] (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. [1MD4]
Subject: Language Arts,Mathematics Title: Counting Back and Counting On
Description: In this lesson, one of a multipart unit from Illuminations, students model subtraction with connecting cubes while the teacher reads to them from counting books. Then, students make a train of connecting cubes and write in vertical and horizontal format the differences suggested by adding to and subtracting from the train, one cube at a time. Finally, students record in their learning portfolio for the unit a train showing one cube being taken away and record the difference in vertical and horizontal format. Several pieces of literature appropriate for use with this lesson are suggested. Thinkfinity Partner: Illuminations Grade Span: K,PreK,1,2
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Title: Building Numbers to Five
Description:
In this lesson, one of a multipart unit from Illuminations, students make groups of zero to five objects, connect number names to the groups, compose and decompose numbers, and use numerals to record the size of a group. Visual, auditory, and kinesthetic activities are used to help students begin to acquire a sense of number.
Standard(s): [MA2013] (0) 12: Fluently add and subtract within 5. [KOA5]
Subject: Mathematics Title: Building Numbers to Five
Description: In this lesson, one of a multipart unit from Illuminations, students make groups of zero to five objects, connect number names to the groups, compose and decompose numbers, and use numerals to record the size of a group. Visual, auditory, and kinesthetic activities are used to help students begin to acquire a sense of number. Thinkfinity Partner: Illuminations Grade Span: K,PreK,1,2
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Title: Links Away
Description:
In this sevenlesson unit, from Illuminations, students explore the five models of subtraction (counting, sets, number line, balanced equations and inverse of addition) using links. They also learn that the order property does not hold for subtraction and explore the relation between addition and subtraction. Students also write story problems in which subtraction is required and begin to memorize the subtraction facts.
Standard(s): [MA2013] (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. [2G3]
Subject: Mathematics Title: Links Away
Description: In this sevenlesson unit, from Illuminations, students explore the five models of subtraction (counting, sets, number line, balanced equations and inverse of addition) using links. They also learn that the order property does not hold for subtraction and explore the relation between addition and subtraction. Students also write story problems in which subtraction is required and begin to memorize the subtraction facts. Thinkfinity Partner: Illuminations Grade Span: K,PreK,1,2
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Title: Block Pounds
Description:
In this lesson, from Illuminations, students explore the use of variables as unknowns as they solve for the weights of objects using information presented in pictures. They also model situations that involve the addition and subtraction of whole numbers, using objects, pictures, and symbols.
Standard(s): [MA2013] (2) 13: Explain why addition and subtraction strategies work, using place value and the properties of operations. (Explanations may be supported by drawings or objects.) [2NBT9]
Subject: Mathematics Title: Block Pounds
Description: In this lesson, from Illuminations, students explore the use of variables as unknowns as they solve for the weights of objects using information presented in pictures. They also model situations that involve the addition and subtraction of whole numbers, using objects, pictures, and symbols. Thinkfinity Partner: Illuminations Grade Span: K,PreK,1,2
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Title: Finding Four
Description:
In this lesson, one of a multipart unit from Illuminations, students explore the number four. They make sets of four, write the numeral 4, and compare sets of four to sets of one, two, and three.
Standard(s): [MA2013] (0) 12: Fluently add and subtract within 5. [KOA5]
Subject: Mathematics Title: Finding Four
Description: In this lesson, one of a multipart unit from Illuminations, students explore the number four. They make sets of four, write the numeral 4, and compare sets of four to sets of one, two, and three. Thinkfinity Partner: Illuminations Grade Span: K,PreK,1,2
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Title: Fact Family Fun
Description:
In this lesson, one of a multipart unit from Illuminations, the relation of addition to subtraction is explored with fishshaped crackers. The students search for related addition and subtraction facts for a given number and investigate fact families when one addend or the difference is 0.
Standard(s): [MA2013] (2) 2: Fluently add and subtract within 20 using mental strategies. (See standard 6, Grade 1, for a list of mental strategies.) By end of Grade 2, know from memory all sums of two onedigit numbers. [2OA2]
Subject: Mathematics Title: Fact Family Fun
Description: In this lesson, one of a multipart unit from Illuminations, the relation of addition to subtraction is explored with fishshaped crackers. The students search for related addition and subtraction facts for a given number and investigate fact families when one addend or the difference is 0. Thinkfinity Partner: Illuminations Grade Span: K,PreK,1,2
ALEX Learning Assets Save to ALEX 
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Title: Paperless Math Assessment
Digital Tool:
Socrative Web Address URL:
http://www.socrative.com/ Standard(s):
[MA2013] (0) 12: Fluently add and subtract within 5. [KOA5] Digital Tool Description: Socrative lets teachers engage and assess their students with educational activities on tablets, laptops and smartphones. Through the use of real time questioning, instant result aggregation and visualization, teachers can gauge the whole class’ current level of understanding. Socrative saves teachers time so the class can further collaborate, discuss, extend and grow as a community of learners.
Description provided by: http://www.socrative.com/
Title: Paperless Math Assessment Digital Tool: Socrative Digital Tool Description: Socrative lets teachers engage and assess their students with educational activities on tablets, laptops and smartphones. Through the use of real time questioning, instant result aggregation and visualization, teachers can gauge the whole class’ current level of understanding. Socrative saves teachers time so the class can further collaborate, discuss, extend and grow as a community of learners.
Description provided by: http://www.socrative.com/
ALEX Podcasts
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Title: The Great Bear Race
Overview:
Racing Bears is a counting game.Â The math focus points are counting spaces and moving on a gameboard and thinking strategically about the moves on a gameboard. Standard(s):
[MA2013] (1) 21: Partition circles and rectangles into two and four equal shares; describe the shares using the words halves, fourths, and quarters; and use the phrases half of, fourth of, and quarter of. Describe the whole as two of, or four of the shares. Understand for these examples that decomposing into more equal shares creates smaller shares. [1G3]
The Great Bear Race Overview: Racing Bears is a counting game.Â The math focus points are counting spaces and moving on a gameboard and thinking strategically about the moves on a gameboard.
Web Resources
Lesson Plans
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Title: Yummy Gummy Subtraction
Description:
This Web site gives a lesson plan using gummy bears to represent subtraction in simple math equations. Teachers can adapt the lesson to also include addition, multiplication or division.
Standard(s): [MA2013] (1) 6: Add and subtract within 20, demonstrating fluency for addition and subtraction within 10.
Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 – 4 = 13 – 3 – 1 = 10 – 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows
12 – 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13). [1OA6]
Yummy Gummy Subtraction
http://www.education...
This Web site gives a lesson plan using gummy bears to represent subtraction in simple math equations. Teachers can adapt the lesson to also include addition, multiplication or division.
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Title: Learning Addition and Subtraction
Description:
Lessons and videos on addition and subtraction.
Standard(s): [MA2013] (1) 12: Add within 100, including adding a twodigit number and a onedigit number and adding a twodigit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method, and explain the reasoning used. Understand that in adding twodigit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten. [1NBT4]
Learning Addition and Subtraction
http://www.gcflearnf...
Lessons and videos on addition and subtraction.
Podcasts
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Title: Learning Addition and Subtraction
Description:
Lessons and videos on addition and subtraction.
Standard(s): [MA2013] (1) 12: Add within 100, including adding a twodigit number and a onedigit number and adding a twodigit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method, and explain the reasoning used. Understand that in adding twodigit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten. [1NBT4]
Learning Addition and Subtraction
http://www.gcflearnf...
Lessons and videos on addition and subtraction.
Informational Materials
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Title: Know Your Numbers in a Flash
Description:
This website creates flashcards or allows teachers to create their own flashcards to assist students in number recognition and illustrations for onetoone correspondence.
Standard(s): [MA2013] (0) 12: Fluently add and subtract within 5. [KOA5]
Know Your Numbers in a Flash
http://www.apples4th...
This website creates flashcards or allows teachers to create their own flashcards to assist students in number recognition and illustrations for onetoone correspondence.
Learning Activities
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Title: Sensational Subtraction Centers
Description:
This is a resource list for manipulative based centers that allow students to model and illustrate subtraction using numbers less than ten.
Standard(s): [MA2013] (1) 3: Apply properties of operations as strategies to add and subtract. (Students need not use formal terms for these properties.) [1OA3]
Sensational Subtraction Centers
http://www.uen.org/L...
This is a resource list for manipulative based centers that allow students to model and illustrate subtraction using numbers less than ten.
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Title: ABC Teach: Subtraction
Description:
This website has adaptable subtraction worksheets.
Standard(s): [MA2013] (2) 9: Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction. [2NBT5]
ABC Teach: Subtraction
http://www.abcteach....
This website has adaptable subtraction worksheets.
Teacher Tools
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Title: Know Your Numbers in a Flash
Description:
This website creates flashcards or allows teachers to create their own flashcards to assist students in number recognition and illustrations for onetoone correspondence.
Standard(s): [MA2013] (0) 12: Fluently add and subtract within 5. [KOA5]
Know Your Numbers in a Flash
http://www.apples4th...
This website creates flashcards or allows teachers to create their own flashcards to assist students in number recognition and illustrations for onetoone correspondence.
Thinkfinity Learning Activities
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Title: How Many Under the Shell?
Description:
This student interactive from Illuminations allows students to discover basic addition and subtraction facts. When Okta hides bubbles, students try to determine the number under the shell.
Standard(s): [MA2013] (2) 2: Fluently add and subtract within 20 using mental strategies. (See standard 6, Grade 1, for a list of mental strategies.) By end of Grade 2, know from memory all sums of two onedigit numbers. [2OA2]
Subject: Mathematics Title: How Many Under the Shell?
Description: This student interactive from Illuminations allows students to discover basic addition and subtraction facts. When Okta hides bubbles, students try to determine the number under the shell. Thinkfinity Partner: Illuminations Grade Span: K,PreK,1,2
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Title: Five Frame
Description:
This student interactive from Illuminations presents four games that help students develop counting and addition skills. Each of the games uses a frame of five.
Standard(s): [MA2013] (0) 12: Fluently add and subtract within 5. [KOA5]
Subject: Mathematics Title: Five Frame
Description: This student interactive from Illuminations presents four games that help students develop counting and addition skills. Each of the games uses a frame of five. Thinkfinity Partner: Illuminations Grade Span: K,PreK,1,2

