Family practice
Multiply by the reciprocal of the divisor.
Optional until a teacher marks it
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Mei has 5 cups of flour at the cooking lab and packs them into groups of 1/3 batches. How many groups fit?
Dividing by a unit fraction asks how many of those small pieces fill the whole amount. Multiplying by the denominator counts the pieces. Multiplying the original numbers as if they were a part of a part answers “how large is one share?” which is a different question.
Problem 1 of 8. What we learned, an example, a few together, then independent practice.
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How many groups of 1/3 batches are in 5 cups of flour?
Support frame: 5 × 3/1