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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 22 Page 149

Substitute 56 for g in the expression.

7 121

Practice makes perfect

To evaluate the given expression for g= 56, we should substitute 56 for g in the given expression and then simplify.

8-g ÷ 7/8

g= 5/6

8- 5/6 ÷ 7/8

▼

Simplify

DivFracByFracDiv

a/b÷c/d=a/b*d/c

8-5/6 * 8/7

Multiply fractions

8-40/42

a = 42* a/42

336/42-40/42

Subtract fractions

296/42

a/b=.a /2./.b /2.

148/21

Write fraction as a mixed number

7 121

Subchapter links

Do You Understand? p.148

Do You Know How? p.148

Assessment Practice p.150