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Grade 5 Math — Multiplying and dividing fractions and decimals

Multiply and divide fractions and decimals, and know when the answer will be smaller than what you started with.

Name: ________________________

  1. 1.Work out each one, then sort it by whether the answer is less than 1 or more than 1.

    Groups: Less than 1 · More than 1

    • 0.5 × 0.8
    • 2/3 ÷ 1/3
    • 3/4 × 2
    • 0.9 ÷ 0.3
    • 1/4 ÷ 2
    • 1/3 × 1/2

  2. 2.Multiply a whole number by a fraction smaller than 1. The answer is always...

    • a) bigger than the whole number you started with
    • b) a whole number too
    • c) smaller than the whole number you started with
    • d) exactly the same as the whole number

  3. 3.1/2 ÷ 1/4 = ?

  4. 4.2/5 ÷ 1/10 = ?

  5. 5.3/4 ÷ 2 = ? Write your answer as a fraction.

  6. 6.3/5 × 10 = ?

  7. 7.Put these amounts in order, smallest first.

    • 0.4
    • 1/3
    • 0.75
    • 1/2
    • 0.25

  8. 8.0.4 × 0.3 = ?

Answer key — Grade 5 Math — Multiplying and dividing fractions and decimals

  1. 1. 1/3 × 1/2 → Less than 1; 3/4 × 2 → More than 1; 2/3 ÷ 1/3 → More than 1; 0.5 × 0.8 → Less than 1; 0.9 ÷ 0.3 → More than 1; 1/4 ÷ 2 → Less than 1
  2. 2. c) smaller than the whole number you started with
  3. 3. 2
  4. 4. 4
  5. 5. 3/8
  6. 6. 6
  7. 7. 1. 0.25 2. 1/3 3. 0.4 4. 1/2 5. 0.75
  8. 8. 0.12