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Big Ideas Math: Modeling Real Life, Grade 6

BI

Big Ideas Math: Modeling Real Life, Grade 6 View details

1. Ratios

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Exercise 14 Page 112

How many basketballs are there? How many soccer balls?

6 to 4, or 6 : 4

Practice makes perfect

Recall that a ratio is a comparison of two quantities by division. For example, the ratio of a to b can be written in two different ways. a/b or a: b

We want to write the ratio of basketballs to soccer balls from the following diagram.

Given diagram

Let's count the basketballs and the soccer balls.

6 basketballs and 4 soccer balls

We have 6 basketball and 4 soccer balls. Therefore, the ratio of basketball to soccer balls is 6 to 4, or 6 : 4.

Subchapter links

Try It p.108-110

Self-Assessment for Concepts & Skills p.110

Self-Assessment for Problem Solving p.111

Review & Refresh p.112

Concepts, Skills, & Problem Solving p.112-114