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

Exercises: Multiplying a Fraction by a Whole Number

Work through each section in order. Show your work, and write your answers in the form
each problem asks for.

Grade 4·21 problems·~30 min·Common Core Math - Grade 4·standard·4-nf-b-4

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Recall / Warm-Up

How many copies of $\frac{1}{4}$ make $\frac{5}{4}$ ?

5 x 3 means 5 groups of 3. What is $5 \times 3$ ?

Convert $\frac{12}{5}$ to a mixed number.

Fluency Practice

What is $3 \times \frac{1}{4}$ ?

What is $4 \times \frac{3}{8}$ ? Express as an improper fraction.

Use the rule to rewrite $3 \times \frac{2}{5}$ : $3 \times \frac{2}{5} = \frac{3 \times 2}{5} = \frac{\hspace{0.2em}\fbox{\phantom{000000}}\hspace{0.2em}}{5}$ .

What is $4 \times \frac{3}{4}$ ? Give your answer as a whole number.

What is $6 \times \frac{1}{4}$ ? Write your answer as a mixed number.

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