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The California Frog-Jumping Contest: Algebra
The California Frog-Jumping Contest: Algebra is one of five units in the Contexts for Learning Mathe... more |
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Best Buys, Ratios, and Rates: Addition and Subtraction of Fractions
Best Buys, Ratios, and Rates: Addition and Subtraction of Fractions is one of five units in the Cont... more |
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Working With the Ratio Table: Mathematical Models : Grades 5-8
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