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Sophia Learning
Sophia: What Are Ratios?
This lesson defines the term ratio. Students can look at a two-page presentation of notes and practice problems.
Sophia Learning
Sophia: Equivalent Ratios: Lesson 5
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."
Sophia Learning
Sophia: Weighted Average
This lesson will introduce the meaning of weighted average, and demonstrate how to solve for the weighted average of a data set. Students can look at a presentation and then take an online quiz.
Sophia Learning
Sophia: Weighted Average
This lesson will introduce the meaning of weighted average, and demonstrate how to solve for the weighted average of a data set. Students can look at a presentation and then take an online quiz.
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