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Big Ideas Math: Modeling Real Life, Grade 7

BI

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

Chapter Review

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Exercise 1 Page 225

There are many different ways to compare amounts or quantities. 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.

\frac{a}{b} or a : b

We want to find the value of the given ratio.

salt : flour

Let's start by considering the given diagram!

Subchapter links

1 Ratios and Ratio Tables p.225

2 Rates and Unit Ragtes p.225

3 Identifying Proportional Relationships p.226

4 Writing and Solving Proportions p.226

5 Graphs of Proportional Relationships p.227

6 Scale Drawings p.227