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# Common Core Standard 4.NF.B.4b Questions

Understand a multiple of a/b as a multiple of 1/b, and use this understanding to multiply a fraction by a whole number. For example, use a visual fraction model to express 3 × (2/5) as 6 × (1/5), recognizing this product as 6/5. (In general, n × (a/b) = (n × a)/b.)

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Grade 4 Fractions and Ratios CCSS: 4.NF.B.4, 4.NF.B.4b
Which expression is equivalent to $5 xx 3/4$?
1. $2 xx 3/4$
2. $5 xx 1/4$
3. $15 xx 1/4$
4. $15 xx 1/2$
Grade 4 Fractions and Ratios CCSS: 4.NF.B.4, 4.NF.B.4b
Which expression is equivalent to $3 xx 2/5$?
1. $5 xx 1/5$
2. $6 xx 1/5$
3. $5xx6/15$
4. $6xx6/15$
Grade 4 Fractions and Ratios CCSS: 4.NF.B.4, 4.NF.B.4b
Which pair of expressions equals $8/3$?
1. $8 xx 1/3$ and $4 xx 2/3$
2. $4 xx 2/3$ and $6 xx 2/3$
3. $6 xx 2/3$ and $7 xx1/3$
4. $7xx 1/3$ and $8 xx1/3$
Grade 4 Fractions and Ratios CCSS: 4.NF.B.4, 4.NF.B.4b
Which pair of expressions equals $4/6$?
1. $1 xx 3/6$ and $2 xx 2/6$
2. $3 xx 1/6$ and $1 xx 3/6$
3. $4 xx 1/6$ and $3 xx 1/6$
4. $2 xx 2/6$ and $4 xx 1/6$
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