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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 15 Page 112

How many calculators are there? How many pencils?

2 to 6, or 2 : 6

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: bWe want to write the ratio of calculators to pencils from the following diagram.

Given diagram
External credits: macrovector

Let's count the calculators and the pencils.

2 calculators, 6 pencils
External credits: macrovector

We have 2 calculators and 6 pencils. Therefore, the ratio of pencils to calculators is 2 to 6, or 2 : 6.

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arrow_right Try It p.108-110
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Try It 2 (Page 108)
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Try It 4 (Page 110)
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arrow_right Self-Assessment for Concepts & Skills p.110
Self-Assessment for Concepts & Skills 7 (Page 110)
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arrow_right Self-Assessment for Problem Solving p.111
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Self-Assessment for Problem Solving 14 (Page 111)
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arrow_right Review & Refresh p.112
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