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Chapter 1.3 - Proportions
Learning Target: I can determine if 2 ratios form a proportion.
A proportion is an equation that two ratios are equal is a proportion.
For example...
If two ratios are proportional the cross products will be equal. In the example below,
5 x 21 = 105 and 3 x 35 = 105, therefore, these ratios are proportional.
Do the rations form a proportion?
Lesson #1 Video Assignment
Do the ratios form a proportion: word problems
Lesson #2 Video Assignment
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