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 Lesson Plans (6) Podcasts (1) Informational Materials (1) Interactives/Games (3) Learning Activities (1)

## ALEX Lesson Plans

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Subject: Mathematics (4)
Title: Explorations in Place Value
Description: Explorations in Place Value is an interactive math mini-unit 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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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, GEMS-U Project.

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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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Subject: Mathematics (3 - 4)
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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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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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 real-life opportunity to solve a problem related to money exchange.

## ALEX Podcasts

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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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http://www.teachertu...
What a fun way to learn how to round numbers, rap about it!

### Interactives/Games

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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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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 pac-man like interactive game. For example: The difference of 410 - 115 is about 300. To estimate the difference of 410-115 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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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 pac-man like interactive game. For example: The difference of 410 - 115 is about 300. To estimate the difference of 410-115 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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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