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MathsAges 13-15

Decimal subtraction

Subtract numbers written in tenths and verify by adding the difference and subtrahend. Review suitability for your learners before teaching.

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Age band:Ages 10-12Ages 13-15

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Worksheet StudioPractice pack · Ages 13-15

Decimal subtraction

Take your time. Show your thinking.

  1. 1. 23.8 − 22.0 = ____

    23.8 · 22.0 · Decimal subtraction

  2. 2. 14.5 − 8.0 = ____

    14.5 · 8.0 · Decimal subtraction

  3. 3. 6.2 − 5.7 = ____

    6.2 · 5.7 · Decimal subtraction

  4. 4. 23.3 − 4.5 = ____

    23.3 · 4.5 · Decimal subtraction

  5. 5. 22.8 − 2.2 = ____

    22.8 · 2.2 · Decimal subtraction

  6. 6. 11.6 − 6.8 = ____

    11.6 · 6.8 · Decimal subtraction

  7. 7. 13.4 − 7.2 = ____

    13.4 · 7.2 · Decimal subtraction

  8. 8. 5.2 − 1.4 = ____

    5.2 · 1.4 · Decimal subtraction

  9. 9. 6.1 − 3.1 = ____

    6.1 · 3.1 · Decimal subtraction

  10. 10. 22.8 − 21.7 = ____

    22.8 · 21.7 · Decimal subtraction

  11. 11. 8.9 − 1.2 = ____

    8.9 · 1.2 · Decimal subtraction

  12. 12. 11.6 − 6.5 = ____

    11.6 · 6.5 · Decimal subtraction
12 questions · Seed 48 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 13-15

Decimal subtraction

Answers and reasoning. Review before teaching.

  1. 1. 23.8 − 22.0 = ____

    1.8

    Subtract 220 tenths from 238 tenths to get 18 tenths (1.8).

  2. 2. 14.5 − 8.0 = ____

    6.5

    Subtract 80 tenths from 145 tenths to get 65 tenths (6.5).

  3. 3. 6.2 − 5.7 = ____

    0.5

    Subtract 57 tenths from 62 tenths to get 5 tenths (0.5).

  4. 4. 23.3 − 4.5 = ____

    18.8

    Subtract 45 tenths from 233 tenths to get 188 tenths (18.8).

  5. 5. 22.8 − 2.2 = ____

    20.6

    Subtract 22 tenths from 228 tenths to get 206 tenths (20.6).

  6. 6. 11.6 − 6.8 = ____

    4.8

    Subtract 68 tenths from 116 tenths to get 48 tenths (4.8).

  7. 7. 13.4 − 7.2 = ____

    6.2

    Subtract 72 tenths from 134 tenths to get 62 tenths (6.2).

  8. 8. 5.2 − 1.4 = ____

    3.8

    Subtract 14 tenths from 52 tenths to get 38 tenths (3.8).

  9. 9. 6.1 − 3.1 = ____

    3.0

    Subtract 31 tenths from 61 tenths to get 30 tenths (3.0).

  10. 10. 22.8 − 21.7 = ____

    1.1

    Subtract 217 tenths from 228 tenths to get 11 tenths (1.1).

  11. 11. 8.9 − 1.2 = ____

    7.7

    Subtract 12 tenths from 89 tenths to get 77 tenths (7.7).

  12. 12. 11.6 − 6.5 = ____

    5.1

    Subtract 65 tenths from 116 tenths to get 51 tenths (5.1).

12 questions · Seed 48 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 13-15

Decimal subtraction

Take your time. Show your thinking.

  1. 1. 23.8 − 22.0 = ____

    23.8 · 22.0 · Decimal subtraction

  2. 2. 14.5 − 8.0 = ____

    14.5 · 8.0 · Decimal subtraction

  3. 3. 6.2 − 5.7 = ____

    6.2 · 5.7 · Decimal subtraction

  4. 4. 23.3 − 4.5 = ____

    23.3 · 4.5 · Decimal subtraction

  5. 5. 22.8 − 2.2 = ____

    22.8 · 2.2 · Decimal subtraction

  6. 6. 11.6 − 6.8 = ____

    11.6 · 6.8 · Decimal subtraction

  7. 7. 13.4 − 7.2 = ____

    13.4 · 7.2 · Decimal subtraction

  8. 8. 5.2 − 1.4 = ____

    5.2 · 1.4 · Decimal subtraction

  9. 9. 6.1 − 3.1 = ____

    6.1 · 3.1 · Decimal subtraction

  10. 10. 22.8 − 21.7 = ____

    22.8 · 21.7 · Decimal subtraction

  11. 11. 8.9 − 1.2 = ____

    8.9 · 1.2 · Decimal subtraction

  12. 12. 11.6 − 6.5 = ____

    11.6 · 6.5 · Decimal subtraction
12 questions · Seed 48 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 13-15

Decimal subtraction

Answers and reasoning. Review before teaching.

  1. 1. 23.8 − 22.0 = ____

    1.8

    Subtract 220 tenths from 238 tenths to get 18 tenths (1.8).

  2. 2. 14.5 − 8.0 = ____

    6.5

    Subtract 80 tenths from 145 tenths to get 65 tenths (6.5).

  3. 3. 6.2 − 5.7 = ____

    0.5

    Subtract 57 tenths from 62 tenths to get 5 tenths (0.5).

  4. 4. 23.3 − 4.5 = ____

    18.8

    Subtract 45 tenths from 233 tenths to get 188 tenths (18.8).

  5. 5. 22.8 − 2.2 = ____

    20.6

    Subtract 22 tenths from 228 tenths to get 206 tenths (20.6).

  6. 6. 11.6 − 6.8 = ____

    4.8

    Subtract 68 tenths from 116 tenths to get 48 tenths (4.8).

  7. 7. 13.4 − 7.2 = ____

    6.2

    Subtract 72 tenths from 134 tenths to get 62 tenths (6.2).

  8. 8. 5.2 − 1.4 = ____

    3.8

    Subtract 14 tenths from 52 tenths to get 38 tenths (3.8).

  9. 9. 6.1 − 3.1 = ____

    3.0

    Subtract 31 tenths from 61 tenths to get 30 tenths (3.0).

  10. 10. 22.8 − 21.7 = ____

    1.1

    Subtract 217 tenths from 228 tenths to get 11 tenths (1.1).

  11. 11. 8.9 − 1.2 = ____

    7.7

    Subtract 12 tenths from 89 tenths to get 77 tenths (7.7).

  12. 12. 11.6 − 6.5 = ____

    5.1

    Subtract 65 tenths from 116 tenths to get 51 tenths (5.1).

12 questions · Seed 48 · Age guidance, not curriculum certification