ALEX Lesson Plans
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Title: Explorations in Place Value
Description:
Explorations in Place Value is an interactive math miniunit that incorporates the use of children’s literature, mathematical learning stations, and small group instructional strategies to reinforce basic principles of place value and to teach students about writing large numbers in expanded notation.
This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.
Standard(s): [MA2013] (4) 7: Read and write multidigit whole numbers using baseten numerals, number names, and expanded form. Compare two multidigit numbers based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons. [4NBT2]
Subject: Mathematics (4)
Title: Explorations in Place Value
Description: Explorations in Place Value is an interactive math miniunit that incorporates the use of children’s literature, mathematical learning stations, and small group instructional strategies to reinforce basic principles of place value and to teach students about writing large numbers in expanded notation.
This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.
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Title: Questioning NASA
Description:
In this lesson students will work collaboratively to explore the "Big Question" that led up to this lesson was "Why are there two solid rocket boosters used to launch the space shuttle instead of one with the same amount of fuel?"
This lesson plan was created as a result of the Girls Engaged in Math and Science University, GEMSU Project.
Standard(s): [MA2013] (7) 18: Use data from a random sample to draw inferences about a population with an unknown characteristic of interest. Generate multiple samples (or simulated samples) of the same size to gauge the variation in estimates or predictions. [7SP2]
Subject: Mathematics (4  7), or Science (5), or Technology Education (6  8)
Title: Questioning NASA
Description: In this lesson students will work collaboratively to explore the "Big Question" that led up to this lesson was "Why are there two solid rocket boosters used to launch the space shuttle instead of one with the same amount of fuel?"
This lesson plan was created as a result of the Girls Engaged in Math and Science University, GEMSU Project.
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Title: Lining up the Decimals
Description:
This lesson provides a chance for the students to order decimals from least to greatest and greatest to least. The numbers are based on student's ability.This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone Family Foundation.
Standard(s): [MA2013] (5) 7: Use place value understanding to round decimals to any place. [5NBT4]
Subject: Character Education (K  12), or Mathematics (4  5)
Title: Lining up the Decimals
Description: This lesson provides a chance for the students to order decimals from least to greatest and greatest to least. The numbers are based on student's ability.This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone Family Foundation.
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Title: Are Your Numbers Round?
Description:
Students will use a variety of activities and games to learn how to round numbers.This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone Family Foundation.
Standard(s): [MA2013] (4) 8: Use place value understanding to round multidigit whole numbers to any place. [4NBT3]
Subject: Mathematics (3  4)
Title: Are Your Numbers Round?
Description: Students will use a variety of activities and games to learn how to round numbers.This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone Family Foundation.
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Title: Shopping for a Place Value!
Description:
During this lesson, students will have the opportunity to explore the world of rounding. Students will use the real estate market to help them learn how to round to the nearest hundred thousand. Students will get to create their own real estate advertisement and navigate the Internet to learn about rounding.
Standard(s): [MA2013] (4) 7: Read and write multidigit whole numbers using baseten numerals, number names, and expanded form. Compare two multidigit numbers based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons. [4NBT2]
Subject: Mathematics (3  4), or Technology Education (3  5)
Title: Shopping for a Place Value!
Description: During this lesson, students will have the opportunity to explore the world of rounding. Students will use the real estate market to help them learn how to round to the nearest hundred thousand. Students will get to create their own real estate advertisement and navigate the Internet to learn about rounding.
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Title: It’s My Party!
Description:
Students will learn the value of money by planning their own birthday party. By using the Internet and a calculator, students will be given the opportunity for a practical reallife opportunity to solve a problem related to money exchange.
Standard(s): [MA2013] (5) 16: Solve realworld problems involving multiplication of fractions and mixed numbers, e.g., by using visual fraction models or equations to represent the problem. [5NF6]
Subject: Mathematics (3  5), or Technology Education (3  5)
Title: It’s My Party!
Description: Students will learn the value of money by planning their own birthday party. By using the Internet and a calculator, students will be given the opportunity for a practical reallife opportunity to solve a problem related to money exchange.
ALEX Podcasts
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Title: Multiplication Place Value Strategy
Overview:
Fourth grade students will explain the process and steps of an alternative way to solve multiplication problems. Students will explore this alternative algorithm that focuses on place value. Students will use their place value knowledge in order to break apart each number and solve for a product. Students will also use their knowledge of arrays to organize the steps of the problem.
Standard(s):
[MA2013] (5) 7: Use place value understanding to round decimals to any place. [5NBT4]
Multiplication Place Value Strategy Overview:
Fourth grade students will explain the process and steps of an alternative way to solve multiplication problems. Students will explore this alternative algorithm that focuses on place value. Students will use their place value knowledge in order to break apart each number and solve for a product. Students will also use their knowledge of arrays to organize the steps of the problem.
Web Resources
Podcasts
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Title: Let's Rap About Rounding
Description:
What a fun way to learn how to round numbers, rap about it!
Standard(s): [MA2013] (5) 7: Use place value understanding to round decimals to any place. [5NBT4]
Let's Rap About Rounding
http://www.teachertu...
What a fun way to learn how to round numbers, rap about it!
Interactives/Games
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Title: Math Man: Estimate Sums by Rounding
Description:
Math Man must eat the ghost with the correctly rounded sum. Students must round two numbers to their nearest hundred (indicated value), then add. For example: Eat the ghost that estimates the sum of 95 + 180, first round 95 to 100, then round 180 to 200, then add 100 + 200 to get 300.
Standard(s): [MA2013] (4) 8: Use place value understanding to round multidigit whole numbers to any place. [4NBT3]
Math Man: Estimate Sums by Rounding
http://www.sheppards...
Math Man must eat the ghost with the correctly rounded sum. Students must round two numbers to their nearest hundred (indicated value), then add. For example: Eat the ghost that estimates the sum of 95 + 180, first round 95 to 100, then round 180 to 200, then add 100 + 200 to get 300.
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Title: Math Man: Estimate Differences by Rounding
Description:
Students will round each number to the nearest 100 place and then subtract to find the difference in this pacman like interactive game. For example: The difference of 410  115 is about 300. To estimate the difference of 410115 follow these steps: 1. round the first number of 410 to 400 2. round the second number of 115 to 100 3. subtract the rounded numbers 400  100 = 300.
Standard(s): [MA2013] (5) 7: Use place value understanding to round decimals to any place. [5NBT4]
Math Man: Estimate Differences by Rounding
http://www.sheppards...
Students will round each number to the nearest 100 place and then subtract to find the difference in this pacman like interactive game. For example: The difference of 410  115 is about 300. To estimate the difference of 410115 follow these steps: 1. round the first number of 410 to 400 2. round the second number of 115 to 100 3. subtract the rounded numbers 400  100 = 300.
Learning Activities
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Title: Math Man: Estimate Differences by Rounding
Description:
Students will round each number to the nearest 100 place and then subtract to find the difference in this pacman like interactive game. For example: The difference of 410  115 is about 300. To estimate the difference of 410115 follow these steps: 1. round the first number of 410 to 400 2. round the second number of 115 to 100 3. subtract the rounded numbers 400  100 = 300.
Standard(s): [MA2013] (5) 7: Use place value understanding to round decimals to any place. [5NBT4]
Math Man: Estimate Differences by Rounding
http://www.sheppards...
Students will round each number to the nearest 100 place and then subtract to find the difference in this pacman like interactive game. For example: The difference of 410  115 is about 300. To estimate the difference of 410115 follow these steps: 1. round the first number of 410 to 400 2. round the second number of 115 to 100 3. subtract the rounded numbers 400  100 = 300.
Thinkfinity Informational Materials
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Title: Number and Operations Web Links
Description:
This collection of Web links, reviewed and presented by Illuminations, offers teachers and students information about and practice in concepts related to arithmetic. Users can read the Illuminations Editorial Board's review of each Web site, or choose to link directly to the sites.
Standard(s): [MA2013] (5) 26: Classify twodimensional figures in a hierarchy based on properties. [5G4]
Subject: Mathematics Title: Number and Operations Web Links
Description: This collection of Web links, reviewed and presented by Illuminations, offers teachers and students information about and practice in concepts related to arithmetic. Users can read the Illuminations Editorial Board's review of each Web site, or choose to link directly to the sites. Thinkfinity Partner: Illuminations Grade Span: K,1,2,3,4,5,6,7,8,9,10,11,12
Thinkfinity Interactive Games
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Title: Communicating about Mathematics Using Games: Playing Fraction Tracks
Description:
Mathematical games can foster mathematical communication as students explain and justify their moves to one another. In addition, games can motivate students and engage them in thinking about and applying concepts and skills. This eexample from Illuminations contains an interactive version of a game that can be used in the grades 35 classroom to support students' learning about fractions. eMath Investigations are selected eexamples from the electronic version of the Principles and Standards of School Mathematics (PSSM). The eexamples are part of the electronic version of the PSSM document. Given their interactive nature and focused discussion tied to the PSSM document, the eexamples are natural companions to the iMath investigations.
Standard(s): [MA2013] (5) 26: Classify twodimensional figures in a hierarchy based on properties. [5G4]
Subject: Mathematics Title: Communicating about Mathematics Using Games: Playing Fraction Tracks
Description: Mathematical games can foster mathematical communication as students explain and justify their moves to one another. In addition, games can motivate students and engage them in thinking about and applying concepts and skills. This eexample from Illuminations contains an interactive version of a game that can be used in the grades 35 classroom to support students' learning about fractions. eMath Investigations are selected eexamples from the electronic version of the Principles and Standards of School Mathematics (PSSM). The eexamples are part of the electronic version of the PSSM document. Given their interactive nature and focused discussion tied to the PSSM document, the eexamples are natural companions to the iMath investigations. Thinkfinity Partner: Illuminations Grade Span: 3,4,5

