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Envision Math 2.0: Grade 7, Volume 1

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Envision Math 2.0: Grade 7, Volume 1 View details

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Exercise 8 Page 187

First, evaluate the expressions inside the parentheses.

3

Practice makes perfect

According to the order of operations, expressions inside parentheses are evaluated first, followed by exponents, then multiplication and division, and finally addition and subtraction are evaluated last. We can use the acronym PEMDAS to help us remember the correct order!

pemdas

Let's follow the order of operations and simplify the given expression.

Operation	Before Simplification	After Simplification
Parentheses	( 13 + 2) ÷ (9 - 4)	15 ÷ (9 - 4)
Parentheses	15 ÷ ( 9 - 4)	15 ÷ 5
Divide	15 ÷ 5	3

The expression is equal to 3.

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Review What You Know! p.187