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Big Ideas Math: Modeling Real Life, Grade 7

BI

Big Ideas Math: Modeling Real Life, Grade 7 View details

3. Identifying Proportional Relationships

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Exercise 3 Page 200

A unit rate is a rate that has been reduced to have a denominator of 1 unit.

7000 steps every hour.

Practice makes perfect

A unit rate is a rate that has been reduced to have a denominator of 1 unit. Our rate is 8750 steps every 1.25 hours. To find the unit rate, we write an equivalent rate with a denominator of 1.

8750/1.25

a/b=.a / 1.25./.b / 1.25.

8750 ÷ 1.25/1.25÷ 1.25

Use a calculator

7000/1

The unit rate is 7000 steps every hour.

Subchapter links

Try It p.196-198

Self-Assessment for Concept & Skills p.198

Self-Assessment for Problem Solving p.199

Review & Refresh p.200

Concept, Skills, & Problem Solving p.200-202