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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. 14.4 − 2.9 = ____

    14.4 · 2.9 · Decimal subtraction

  2. 2. 5.5 − 2.8 = ____

    5.5 · 2.8 · Decimal subtraction

  3. 3. 4.9 − 1.1 = ____

    4.9 · 1.1 · Decimal subtraction

  4. 4. 13.6 − 10.6 = ____

    13.6 · 10.6 · Decimal subtraction

  5. 5. 24.3 − 3.9 = ____

    24.3 · 3.9 · Decimal subtraction

  6. 6. 24.7 − 6.3 = ____

    24.7 · 6.3 · Decimal subtraction

  7. 7. 8.2 − 1.5 = ____

    8.2 · 1.5 · Decimal subtraction

  8. 8. 22.0 − 18.5 = ____

    22.0 · 18.5 · Decimal subtraction

  9. 9. 11.1 − 4.1 = ____

    11.1 · 4.1 · Decimal subtraction

  10. 10. 16.6 − 7.3 = ____

    16.6 · 7.3 · Decimal subtraction

  11. 11. 8.1 − 6.4 = ____

    8.1 · 6.4 · Decimal subtraction

  12. 12. 7.9 − 4.4 = ____

    7.9 · 4.4 · Decimal subtraction
12 questions · Seed 42 · 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. 14.4 − 2.9 = ____

    11.5

    Subtract 29 tenths from 144 tenths to get 115 tenths (11.5).

  2. 2. 5.5 − 2.8 = ____

    2.7

    Subtract 28 tenths from 55 tenths to get 27 tenths (2.7).

  3. 3. 4.9 − 1.1 = ____

    3.8

    Subtract 11 tenths from 49 tenths to get 38 tenths (3.8).

  4. 4. 13.6 − 10.6 = ____

    3.0

    Subtract 106 tenths from 136 tenths to get 30 tenths (3.0).

  5. 5. 24.3 − 3.9 = ____

    20.4

    Subtract 39 tenths from 243 tenths to get 204 tenths (20.4).

  6. 6. 24.7 − 6.3 = ____

    18.4

    Subtract 63 tenths from 247 tenths to get 184 tenths (18.4).

  7. 7. 8.2 − 1.5 = ____

    6.7

    Subtract 15 tenths from 82 tenths to get 67 tenths (6.7).

  8. 8. 22.0 − 18.5 = ____

    3.5

    Subtract 185 tenths from 220 tenths to get 35 tenths (3.5).

  9. 9. 11.1 − 4.1 = ____

    7.0

    Subtract 41 tenths from 111 tenths to get 70 tenths (7.0).

  10. 10. 16.6 − 7.3 = ____

    9.3

    Subtract 73 tenths from 166 tenths to get 93 tenths (9.3).

  11. 11. 8.1 − 6.4 = ____

    1.7

    Subtract 64 tenths from 81 tenths to get 17 tenths (1.7).

  12. 12. 7.9 − 4.4 = ____

    3.5

    Subtract 44 tenths from 79 tenths to get 35 tenths (3.5).

12 questions · Seed 42 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 13-15

Decimal subtraction

Take your time. Show your thinking.

  1. 1. 14.4 − 2.9 = ____

    14.4 · 2.9 · Decimal subtraction

  2. 2. 5.5 − 2.8 = ____

    5.5 · 2.8 · Decimal subtraction

  3. 3. 4.9 − 1.1 = ____

    4.9 · 1.1 · Decimal subtraction

  4. 4. 13.6 − 10.6 = ____

    13.6 · 10.6 · Decimal subtraction

  5. 5. 24.3 − 3.9 = ____

    24.3 · 3.9 · Decimal subtraction

  6. 6. 24.7 − 6.3 = ____

    24.7 · 6.3 · Decimal subtraction

  7. 7. 8.2 − 1.5 = ____

    8.2 · 1.5 · Decimal subtraction

  8. 8. 22.0 − 18.5 = ____

    22.0 · 18.5 · Decimal subtraction

  9. 9. 11.1 − 4.1 = ____

    11.1 · 4.1 · Decimal subtraction

  10. 10. 16.6 − 7.3 = ____

    16.6 · 7.3 · Decimal subtraction

  11. 11. 8.1 − 6.4 = ____

    8.1 · 6.4 · Decimal subtraction

  12. 12. 7.9 − 4.4 = ____

    7.9 · 4.4 · Decimal subtraction
12 questions · Seed 42 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 13-15

Decimal subtraction

Answers and reasoning. Review before teaching.

  1. 1. 14.4 − 2.9 = ____

    11.5

    Subtract 29 tenths from 144 tenths to get 115 tenths (11.5).

  2. 2. 5.5 − 2.8 = ____

    2.7

    Subtract 28 tenths from 55 tenths to get 27 tenths (2.7).

  3. 3. 4.9 − 1.1 = ____

    3.8

    Subtract 11 tenths from 49 tenths to get 38 tenths (3.8).

  4. 4. 13.6 − 10.6 = ____

    3.0

    Subtract 106 tenths from 136 tenths to get 30 tenths (3.0).

  5. 5. 24.3 − 3.9 = ____

    20.4

    Subtract 39 tenths from 243 tenths to get 204 tenths (20.4).

  6. 6. 24.7 − 6.3 = ____

    18.4

    Subtract 63 tenths from 247 tenths to get 184 tenths (18.4).

  7. 7. 8.2 − 1.5 = ____

    6.7

    Subtract 15 tenths from 82 tenths to get 67 tenths (6.7).

  8. 8. 22.0 − 18.5 = ____

    3.5

    Subtract 185 tenths from 220 tenths to get 35 tenths (3.5).

  9. 9. 11.1 − 4.1 = ____

    7.0

    Subtract 41 tenths from 111 tenths to get 70 tenths (7.0).

  10. 10. 16.6 − 7.3 = ____

    9.3

    Subtract 73 tenths from 166 tenths to get 93 tenths (9.3).

  11. 11. 8.1 − 6.4 = ____

    1.7

    Subtract 64 tenths from 81 tenths to get 17 tenths (1.7).

  12. 12. 7.9 − 4.4 = ____

    3.5

    Subtract 44 tenths from 79 tenths to get 35 tenths (3.5).

12 questions · Seed 42 · Age guidance, not curriculum certification