Narrow Results:

 Lesson Plans (4) Interactives/Games (2) Learning Activities (1) Teacher Tools (1)

## ALEX Lesson Plans

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Subject: Mathematics (8)
Title: What's My Number -- How to estimate the square root of a number that is not a perfect square
Description: In this lesson, eighth grade students will learn the steps necessary to approximate the square roots of numbers that are not perfect squares.  Students will use a number line as a visual aid to complete this task.

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Subject: Mathematics (8)
Title: Rational or Irrational? That is the question.
Description: Students will participate in an activity that will help them obtain a feeling of how numbers are related to each other. They will determine whether a number is rational or irrational. Students will also be able to order rational and irrational numbers on a number line.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 (8)
Title: The Real Number System
Description: This lesson focuses on a clear understanding of the real number system by using a variety of teaching strategies. A graphic organizer on a slideshow illustrates how the classifications of numbers relate. A kinesthetic activity helps students compare the classifications.

## Thinkfinity Lesson Plans

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Subject: Mathematics
Title: Approximations of Pi
Description: This student reproducible, from an Illuminations lesson, provides information about and several examples of approximations for the constant pi.
Thinkfinity Partner: Illuminations

## Web Resources

### Interactives/Games

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Rational or Irrational?
http://www.math-play...
Rational or Irrational is a game that requires students to quickly decide if a number is rational or irrational.

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Square Root Millionaire
http://www.math-play...
Play this exciting square roots game to sharpen your skills about adding, subtracting, multiplying, dividing, simplifying, estimating, and graphing expressions with radicals. The Square Root millionaire game has a single-player feature and a multi-player option. When using this game in the classroom as a contest between two teams, scores can be modified at any point by clicking in the score box of any team and editing the numbers.

### Learning Activities

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Square Root Millionaire
http://www.math-play...
Play this exciting square roots game to sharpen your skills about adding, subtracting, multiplying, dividing, simplifying, estimating, and graphing expressions with radicals. The Square Root millionaire game has a single-player feature and a multi-player option. When using this game in the classroom as a contest between two teams, scores can be modified at any point by clicking in the score box of any team and editing the numbers.

### Teacher Tools

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Algebra.Help
http://algebrahelp.c...
Lesson plans,calculators, worksheets and everything else to help with teaching algebra.