Grade 5 · Math

Divide decimals using equal scaling

Divide exact terminating decimals and explain why scaling both numbers preserves the quotient.

6 authored questions + worked example

Worked example

What is 3.6 ÷ 0.6?

Answer & why

Answer: 6

Multiply both numbers by 10 to keep the quotient unchanged: 36 ÷ 6 = 6. Check: 6 × 0.6 = 3.6.

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All questions

All 6 authored questions for this skill.

Question 1

What is 2.4 ÷ 0.8?

  1. 4
  2. 3
  3. 2
  4. 5
A hint

Scale both the dividend and divisor by the same power of 10, then divide.

Answer & why

Answer: 3

Multiply both numbers by 10 to keep the quotient unchanged: 24 ÷ 8 = 3. Check: 3 × 0.8 = 2.4.

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Question 2

What is 7.2 ÷ 0.6?

  1. 13
  2. 12
  3. 14
  4. 11
A hint

Scale both the dividend and divisor by the same power of 10, then divide.

Answer & why

Answer: 12

Multiply both numbers by 10 to keep the quotient unchanged: 72 ÷ 6 = 12. Check: 12 × 0.6 = 7.2.

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Question 3

What is 0.9 ÷ 0.6?

  1. 1.5
  2. 2.5
  3. 0.5
  4. 3.5
A hint

Scale both the dividend and divisor by the same power of 10, then divide.

Answer & why

Answer: 1.5

Multiply both numbers by 10 to keep the quotient unchanged: 9 ÷ 6 = 1.5. Check: 1.5 × 0.6 = 0.9.

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Question 4

What is 6.3 ÷ 0.9?

  1. 9
  2. 6
  3. 8
  4. 7
A hint

Scale both the dividend and divisor by the same power of 10, then divide.

Answer & why

Answer: 7

Multiply both numbers by 10 to keep the quotient unchanged: 63 ÷ 9 = 7. Check: 7 × 0.9 = 6.3.

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Question 5

What is 3.6 ÷ 0.6?

  1. 8
  2. 6
  3. 7
  4. 5
A hint

Scale both the dividend and divisor by the same power of 10, then divide.

Answer & why

Answer: 6

Multiply both numbers by 10 to keep the quotient unchanged: 36 ÷ 6 = 6. Check: 6 × 0.6 = 3.6.

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Question 6

What is 4.8 ÷ 1.2?

  1. 4
  2. 6
  3. 3
  4. 5
A hint

Scale both the dividend and divisor by the same power of 10, then divide.

Answer & why

Answer: 4

Multiply both numbers by 10 to keep the quotient unchanged: 48 ÷ 12 = 4. Check: 4 × 1.2 = 4.8.

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