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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
Grade 4 Fractions and Ratios CCSS: 4.NF.B.4, 4.NF.B.4b
Find 1/3 of 18.
  1. 4
  2. 6
  3. 8
  4. 10
Grade 4 Fractions and Ratios CCSS: 4.NF.B.4, 4.NF.B.4b
Find 1/2 of 10.
  1. 5
  2. 8
  3. 10
  4. 1
Grade 4 Fractions and Ratios CCSS: 4.NF.B.4, 4.NF.B.4b
Which expression is equivalent to 5×34?
  1. 2×34
  2. 5×14
  3. 15×14
  4. 15×12
Grade 4 Fractions and Ratios CCSS: 4.NF.B.4, 4.NF.B.4b
Which expression is equivalent to 3×25?
  1. 5×15
  2. 6×15
  3. 5×615
  4. 6×615
Grade 4 Fractions and Ratios CCSS: 4.NF.B.4, 4.NF.B.4b
Which pair of expressions equals 83?
  1. 8×13 and 4×23
  2. 4×23 and 6×23
  3. 6×23 and 7×13
  4. 7×13 and 8×13
Grade 4 Fractions and Ratios CCSS: 4.NF.B.4, 4.NF.B.4b
Which pair of expressions equals 46?
  1. 1×36 and 2×26
  2. 3×16 and 1×36
  3. 4×16 and 3×16
  4. 2×26 and 4×16

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