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MF.PR.8 Standard MF-022-A10-V02

Use proportional reasoning to solve percent problems without relying on memorized templates alone.

Turn a representation into a percent proportion

Problem

Model the \(10\text{-}by-10\) grid with \(\text{shaded}/\text{total}~=~\text{percent}/100\), and calculate the percent of squares that are shaded.

A 10 by 10 percent grid with 37 shaded squares. Three full rows of 10 squares are shaded, and 7 more squares are shaded in the fourth row, for a total of 37 shaded out of 100. Open full size
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Four variants of this problem type
Curriculum context
Standard
MF.PR.8
Category
Proportional Reasoning
Domain
Percents
Objective
Use proportional reasoning to solve percent problems without relying on memorized templates alone.
Problem type
Turn a representation into a percent proportion