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Envision Math 2.0: Grade 6, Volume 1

EM

Envision Math 2.0: Grade 6, Volume 1 View details

5. Evaluate Algebraic Expressions

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Exercise 7 Page 148

Substitute 8 for t, 12 for w, and 3 for x in the expression.

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Practice makes perfect

To evaluate the given expression for t = 8, w = 12, and x=3, we should substitute these values into the expression and simplify as much as possible.

t^2-12w ÷ x

SubstituteValues

Substitute values

8^2-12( 1/2) ÷ 3

Calculate power

64-12(1/2) ÷ 3

Multiply

64-6 ÷ 3

Calculate quotient

64-2

Subtract term

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Subchapter links

Do You Understand? p.148

Do You Know How? p.148

Assessment Practice p.150