Grade 5
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Geometry
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Measurement & Data
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Numbers & Operations: Base Ten
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Numbers & Operations: Fractions
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Operations & Algebraic Thinking
CCSS Math Standard: 5.NF.4
Apply and extend previous understandings of multiplication and division to multiply and divide fractions. Apply and extend previous understandings of multiplication to multiply a fraction or whole number by a fraction.
Multiply to Find the Smallest Fraction
One equation, digits one through nine, and a hunt for the smallest possible answer.
Numerator or Denominator: Which has more power in a fraction?
What do you do with students who already get their fraction operations? Give them a contrived project about recipes or pizza slices? Make them solve annoyingly hard practice problems? Please. Here, we get students thinking in a whole new way, pondering which has more power, the numerator or denominator.