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Back to Exercise: Apply and extend previous understandings of multiplication to multiply a fraction or whole number by a fraction

Exercises: Multiplying Fractions and Whole Numbers by Fractions

Work through each section in order. Express every product in simplest form.

Grade 5·22 problems·~28 min·Common Core Math - Grade 5·standard·5-nf-b-4
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A

Recall / Warm-Up

These problems review skills from earlier lessons.

1.

Compute 5×145 \times \frac{1}{4} by writing it as repeated addition of 14\frac{1}{4}.

2.

Compute 34×4\frac{3}{4} \times 4.

3.

Find the area of a rectangle with side lengths 5 and 3.

B

Fluency Practice

1.

Compute 25×10\frac{2}{5} \times 10.

2.

Compute 34×8\frac{3}{4} \times 8.

3.

Compute 12×35\frac{1}{2} \times \frac{3}{5}.

4.

Compute 23×56\frac{2}{3} \times \frac{5}{6}. Express your answer in simplest form.

5.

Compute 56×12\frac{5}{6} \times 12.

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