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# Math Problem of the Day

Expressions and Equations

Solve Me Mobiles

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Number Sentence - Equations (Desmos)

The title doesn’t capture what this task is about.  It focuses on matching algebraic expressions to contexts and word descriptions.  It is a worthwhile task.

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Equivalent Expressions (Desmos)

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Pool Border Problem (Desmos)

Students explore different ways to find the number of tiles in the border of a square swimming pool.  They discover that the expressions they generate are all equivalent. (You would probably need to introduce this during a synchronous lesson and then have students work on it.)

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Enter algebraic or numeric expressions and compare. **Really cool modeling!**

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NCTM’s Algebra Tiles

Poses problems, has students model with algebra tiles and solve, tells them if they are correct or incorrect.

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(PBS Media Learning)

Interactive opportunity to balance a scale.

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Inequalities Polygraph (Desmos)

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Video Game:  Dragon Box (algebra 12+)

Teaches all the rules for solving algebraic equations but does it visually in a virtual video game environment..

The App is \$7.99

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Equality Explorer: Basics

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Equality Explorer: Two Variables

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Expression Exchange

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Area Model Algebra

Number Line: Integers

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Area Model Multiplication

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Area Model Decimals

6th Expressions and Equations
6th Number Systems

The Number System

Ratios and Proportional Reasoning

Proportion Playground

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Unit Rates

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Desmos:

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Geogebra:

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Desmos: Exchange Rate

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Desmos: Sugar Sugar

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Exercise Rates

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Fix This:  Keeping Ingredients in Proportion

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6th - 8th Grade Choice Board:  Ratios, Rates, & Proportional Reasoning

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Ratios

Functions

Functions
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