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Using Number Sense to Solve One-Step Equations

Vocabulary. An equation is a mathematical sentence that has an equal sign.. An open sentence is an equation with one or more variables in it.. A solution is a value that can be substituted for a variable to make the equation true.Example: In the equation y 3 = 8, the solution is 5.. Using Estimation.

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Using Number Sense to Solve One-Step Equations

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    1. Using Number Sense to Solve One-Step Equations Lesson 2-5

    2. Vocabulary

    3. Using Estimation Use mental math or estimating to determine the solutions to the equations. The same number properties apply to algebraic equations.

    4. Properties

    5. Example: 4x=32

    6. Example: Estimate p 4 = 7.97

    7. Is the given number a solution to the equation?

    8. Homework Time

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