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Cross-Multiply? Not So Fast

  • Topics

    Fractions > Ratio, Rate, Proportion > See How It Works

  • Grade Level

    Intermediate (4-6), Middle School (6-8), Primary (K-3)

  • Author

    Doing What Works

Eighth-grade co-teachers lead a class through activities involving ratios. Students use concrete materials, build-up strategies, and cross-multiplication to solve the real-world problems found in Ratio: Warm Up Activity, Build-Up Strategies Worksheet, and Build a Cafe: PowerPoint and Report.

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