Multiply a Fraction and a Whole Number by Understanding a Multiple of a/b as a Multiple of 1/b: CCSS.Math.Content.4.NF.B.4b - 4th Grade Math

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Question

Select the answer choice that is equal to the following:

$3\times\frac{2}{5}$

Answer

When we multiply a whole number by a fraction, we multiply the whole number by the numerator, and the denominator stays the same.

$\frac{3}{1}\times\frac{2}{5}=\frac{6}{5}$

$\frac{6}{1}\times\frac{1}{5}=\frac{6}{5}$

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Question

Select the answer choice that is equal to $4\times\frac{2}{5}$

Answer

When we multiply a whole number by a fraction, we multiply the whole number by the numerator, and the denominator stays the same.

$\frac{4}{1}\times\frac{2}{5}=\frac{8}{5}$

$\frac{8}{1}\times\frac{1}{5}=\frac{8}{5}$

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Question

Select the answer choice that is equal to $5\times\frac{2}{5}$

Answer

When we multiply a whole number by a fraction, we multiply the whole number by the numerator, and the denominator stays the same.

$\frac{5}{1}\times\frac{2}{5}=\frac{10}{5}$

$\frac{10}{1}\times\frac{1}{5}=\frac{10}{5}$

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Question

Select the answer choice that is equal to $3\times\frac{3}{4}$

Answer

When we multiply a whole number by a fraction, we multiply the whole number by the numerator, and the denominator stays the same.

$\frac{3}{1}\times\frac{3}{4}=\frac{9}{4}$

$\frac{9}{1}\times\frac{1}{4}=\frac{9}{4}$

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Question

Select the answer choice that is equal to $4\times\frac{3}{4}$

Answer

When we multiply a whole number by a fraction, we multiply the whole number by the numerator, and the denominator stays the same.

$\frac{4}{1}\times\frac{3}{4}=\frac{12}{4}$

$\frac{12}{1}\times\frac{1}{4}=\frac{12}{4}$

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Question

Select the answer choice that is equal to $5\times\frac{3}{4}$

Answer

When we multiply a whole number by a fraction, we multiply the whole number by the numerator, and the denominator stays the same.

$\frac{5}{1}\times\frac{3}{4}=\frac{15}{4}$

$\frac{15}{1}\times\frac{1}{4}=\frac{15}{4}$

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Question

Select the answer choice that is equal to $3\times\frac{2}{6}$

Answer

When we multiply a whole number by a fraction, we multiply the whole number by the numerator, and the denominator stays the same.

$\frac{3}{1}\times\frac{2}{6}=\frac{6}{6}$

$\frac{6}{1}\times\frac{1}{6}=\frac{6}{6}$

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Question

Select the answer choice that is equal to $4\times\frac{2}{6}$

Answer

When we multiply a whole number by a fraction, we multiply the whole number by the numerator, and the denominator stays the same.

$\frac{4}{1}\times\frac{2}{6}=\frac{8}{6}$

$\frac{8}{1}\times\frac{1}{6}=\frac{8}{6}$

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Question

Select the answer choice that is equal to $5\times\frac{2}{6}$

Answer

When we multiply a whole number by a fraction, we multiply the whole number by the numerator, and the denominator stays the same.

$\frac{5}{1}\times\frac{2}{6}=\frac{10}{6}$

$\frac{10}{1}\times\frac{1}{6}=\frac{10}{6}$

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Question

Select the answer choice that is equal to $3\times\frac{3}{6}$

Answer

When we multiply a whole number by a fraction, we multiply the whole number by the numerator, and the denominator stays the same.

$\frac{3}{1}\times\frac{3}{6}=\frac{9}{6}$

$\frac{9}{1}\times\frac{1}{6}=\frac{9}{6}$

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Question

Select the answer choice that is equal to $4\times\frac{3}{6}$

Answer

When we multiply a whole number by a fraction, we multiply the whole number by the numerator, and the denominator stays the same.

$\frac{4}{1}\times\frac{3}{6}=\frac{12}{6}$

$\frac{12}{1}\times\frac{1}{6}=\frac{12}{6}$

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Question

Select the answer choice that is equal to $5\times\frac{3}{6}$

Answer

When we multiply a whole number by a fraction, we multiply the whole number by the numerator, and the denominator stays the same.

$\frac{5}{1}\times\frac{3}{6}=\frac{15}{6}$

$\frac{15}{1}\times\frac{1}{6}=\frac{15}{6}$

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Question

Select the answer choice that is equal to $2\times\frac{3}{5}$

Answer

When we multiply a whole number by a fraction, we multiply the whole number by the numerator, and the denominator stays the same.

$\frac{2}{1}\times\frac{3}{5}=\frac{6}{5}$

$\frac{6}{1}\times\frac{1}{5}=\frac{6}{5}$

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Question

Select the answer choice that is equal to $6\times\frac{3}{5}$

Answer

When we multiply a whole number by a fraction, we multiply the whole number by the numerator, and the denominator stays the same.

$\frac{6}{1}\times\frac{3}{5}=\frac{18}{5}$

$\frac{18}{1}\times\frac{1}{5}=\frac{18}{5}$

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Question

Select the answer choice that is equal to $7\times\frac{3}{5}$

Answer

When we multiply a whole number by a fraction, we multiply the whole number by the numerator, and the denominator stays the same.

$\frac{7}{1}\times\frac{3}{5}=\frac{21}{5}$

$\frac{21}{1}\times\frac{1}{5}=\frac{21}{5}$

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Question

Select the answer choice that is equal to $2\times\frac{2}{4}$

Answer

When we multiply a whole number by a fraction, we multiply the whole number by the numerator, and the denominator stays the same.

$\frac{2}{1}\times\frac{2}{4}=\frac{4}{4}$

$\frac{4}{1}\times\frac{1}{4}=\frac{4}{4}$

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Question

Select the answer choice that is equal to $6\times\frac{2}{4}$

Answer

When we multiply a whole number by a fraction, we multiply the whole number by the numerator, and the denominator stays the same.

$\frac{6}{1}\times\frac{2}{4}=\frac{12}{4}$

$\frac{12}{1}\times\frac{1}{4}=\frac{12}{4}$

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Question

Select the answer choice that is equal to $7\times\frac{2}{4}$

Answer

When we multiply a whole number by a fraction, we multiply the whole number by the numerator, and the denominator stays the same.

$\frac{7}{1}\times\frac{2}{4}=\frac{14}{4}$

$\frac{14}{1}\times\frac{1}{4}=\frac{14}{4}$

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Question

Select the answer choice that is equal to $2\times\frac{4}{5}$

Answer

When we multiply a whole number by a fraction, we multiply the whole number by the numerator, and the denominator stays the same.

$\frac{2}{1}\times\frac{4}{5}=\frac{8}{5}$

$\frac{8}{1}\times\frac{1}{5}=\frac{8}{5}$

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Question

Select the answer choice that is equal to $6\times\frac{4}{5}$

Answer

When we multiply a whole number by a fraction, we multiply the whole number by the numerator, and the denominator stays the same.

$\frac{6}{1}\times\frac{4}{5}=\frac{24}{5}$

$\frac{24}{1}\times\frac{1}{5}=\frac{24}{5}$

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