PPT
Sophia Learning

Sophia: Equivalent Ratios: Lesson 5

For Students 7th - 8th Standards
This lesson will introduce the means and extremes of a proportion, and demonstrate how to use cross multiplication to determine if two ratios are equivalent. It is 5 of 8 in the series titled "Equivalent Ratios."
PPT
Sophia Learning

Sophia: Simplifying Measurement Ratios: Lesson 4

For Students 9th - 10th Standards
This lesson demonstrates how to simplify ratios containing measurements. It is 4 of 4 in the series titled "Simplifying Measurement Ratios."

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