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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. 11.9 − 5.5 = ____

    11.9 · 5.5 · Decimal subtraction

  2. 2. 23.1 − 17.3 = ____

    23.1 · 17.3 · Decimal subtraction

  3. 3. 7.0 − 2.1 = ____

    7.0 · 2.1 · Decimal subtraction

  4. 4. 10.3 − 7.0 = ____

    10.3 · 7.0 · Decimal subtraction

  5. 5. 18.0 − 5.0 = ____

    18.0 · 5.0 · Decimal subtraction

  6. 6. 10.6 − 9.5 = ____

    10.6 · 9.5 · Decimal subtraction

  7. 7. 12.7 − 10.8 = ____

    12.7 · 10.8 · Decimal subtraction

  8. 8. 24.9 − 7.3 = ____

    24.9 · 7.3 · Decimal subtraction

  9. 9. 10.1 − 3.6 = ____

    10.1 · 3.6 · Decimal subtraction

  10. 10. 22.6 − 19.1 = ____

    22.6 · 19.1 · Decimal subtraction

  11. 11. 23.2 − 10.6 = ____

    23.2 · 10.6 · Decimal subtraction

  12. 12. 4.8 − 4.0 = ____

    4.8 · 4.0 · Decimal subtraction
12 questions · Seed 51 · 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. 11.9 − 5.5 = ____

    6.4

    Subtract 55 tenths from 119 tenths to get 64 tenths (6.4).

  2. 2. 23.1 − 17.3 = ____

    5.8

    Subtract 173 tenths from 231 tenths to get 58 tenths (5.8).

  3. 3. 7.0 − 2.1 = ____

    4.9

    Subtract 21 tenths from 70 tenths to get 49 tenths (4.9).

  4. 4. 10.3 − 7.0 = ____

    3.3

    Subtract 70 tenths from 103 tenths to get 33 tenths (3.3).

  5. 5. 18.0 − 5.0 = ____

    13.0

    Subtract 50 tenths from 180 tenths to get 130 tenths (13.0).

  6. 6. 10.6 − 9.5 = ____

    1.1

    Subtract 95 tenths from 106 tenths to get 11 tenths (1.1).

  7. 7. 12.7 − 10.8 = ____

    1.9

    Subtract 108 tenths from 127 tenths to get 19 tenths (1.9).

  8. 8. 24.9 − 7.3 = ____

    17.6

    Subtract 73 tenths from 249 tenths to get 176 tenths (17.6).

  9. 9. 10.1 − 3.6 = ____

    6.5

    Subtract 36 tenths from 101 tenths to get 65 tenths (6.5).

  10. 10. 22.6 − 19.1 = ____

    3.5

    Subtract 191 tenths from 226 tenths to get 35 tenths (3.5).

  11. 11. 23.2 − 10.6 = ____

    12.6

    Subtract 106 tenths from 232 tenths to get 126 tenths (12.6).

  12. 12. 4.8 − 4.0 = ____

    0.8

    Subtract 40 tenths from 48 tenths to get 8 tenths (0.8).

12 questions · Seed 51 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 13-15

Decimal subtraction

Take your time. Show your thinking.

  1. 1. 11.9 − 5.5 = ____

    11.9 · 5.5 · Decimal subtraction

  2. 2. 23.1 − 17.3 = ____

    23.1 · 17.3 · Decimal subtraction

  3. 3. 7.0 − 2.1 = ____

    7.0 · 2.1 · Decimal subtraction

  4. 4. 10.3 − 7.0 = ____

    10.3 · 7.0 · Decimal subtraction

  5. 5. 18.0 − 5.0 = ____

    18.0 · 5.0 · Decimal subtraction

  6. 6. 10.6 − 9.5 = ____

    10.6 · 9.5 · Decimal subtraction

  7. 7. 12.7 − 10.8 = ____

    12.7 · 10.8 · Decimal subtraction

  8. 8. 24.9 − 7.3 = ____

    24.9 · 7.3 · Decimal subtraction

  9. 9. 10.1 − 3.6 = ____

    10.1 · 3.6 · Decimal subtraction

  10. 10. 22.6 − 19.1 = ____

    22.6 · 19.1 · Decimal subtraction

  11. 11. 23.2 − 10.6 = ____

    23.2 · 10.6 · Decimal subtraction

  12. 12. 4.8 − 4.0 = ____

    4.8 · 4.0 · Decimal subtraction
12 questions · Seed 51 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 13-15

Decimal subtraction

Answers and reasoning. Review before teaching.

  1. 1. 11.9 − 5.5 = ____

    6.4

    Subtract 55 tenths from 119 tenths to get 64 tenths (6.4).

  2. 2. 23.1 − 17.3 = ____

    5.8

    Subtract 173 tenths from 231 tenths to get 58 tenths (5.8).

  3. 3. 7.0 − 2.1 = ____

    4.9

    Subtract 21 tenths from 70 tenths to get 49 tenths (4.9).

  4. 4. 10.3 − 7.0 = ____

    3.3

    Subtract 70 tenths from 103 tenths to get 33 tenths (3.3).

  5. 5. 18.0 − 5.0 = ____

    13.0

    Subtract 50 tenths from 180 tenths to get 130 tenths (13.0).

  6. 6. 10.6 − 9.5 = ____

    1.1

    Subtract 95 tenths from 106 tenths to get 11 tenths (1.1).

  7. 7. 12.7 − 10.8 = ____

    1.9

    Subtract 108 tenths from 127 tenths to get 19 tenths (1.9).

  8. 8. 24.9 − 7.3 = ____

    17.6

    Subtract 73 tenths from 249 tenths to get 176 tenths (17.6).

  9. 9. 10.1 − 3.6 = ____

    6.5

    Subtract 36 tenths from 101 tenths to get 65 tenths (6.5).

  10. 10. 22.6 − 19.1 = ____

    3.5

    Subtract 191 tenths from 226 tenths to get 35 tenths (3.5).

  11. 11. 23.2 − 10.6 = ____

    12.6

    Subtract 106 tenths from 232 tenths to get 126 tenths (12.6).

  12. 12. 4.8 − 4.0 = ____

    0.8

    Subtract 40 tenths from 48 tenths to get 8 tenths (0.8).

12 questions · Seed 51 · Age guidance, not curriculum certification