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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. 10.7 − 3.3 = ____

    10.7 · 3.3 · Decimal subtraction

  2. 2. 7.9 − 6.1 = ____

    7.9 · 6.1 · Decimal subtraction

  3. 3. 18.8 − 17.3 = ____

    18.8 · 17.3 · Decimal subtraction

  4. 4. 13.2 − 2.6 = ____

    13.2 · 2.6 · Decimal subtraction

  5. 5. 13.2 − 5.5 = ____

    13.2 · 5.5 · Decimal subtraction

  6. 6. 13.8 − 7.3 = ____

    13.8 · 7.3 · Decimal subtraction

  7. 7. 19.2 − 6.6 = ____

    19.2 · 6.6 · Decimal subtraction

  8. 8. 15.1 − 6.2 = ____

    15.1 · 6.2 · Decimal subtraction

  9. 9. 13.7 − 10.0 = ____

    13.7 · 10.0 · Decimal subtraction

  10. 10. 20.0 − 9.0 = ____

    20.0 · 9.0 · Decimal subtraction

  11. 11. 24.4 − 7.4 = ____

    24.4 · 7.4 · Decimal subtraction

  12. 12. 15.2 − 9.5 = ____

    15.2 · 9.5 · Decimal subtraction
12 questions · Seed 53 · 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. 10.7 − 3.3 = ____

    7.4

    Subtract 33 tenths from 107 tenths to get 74 tenths (7.4).

  2. 2. 7.9 − 6.1 = ____

    1.8

    Subtract 61 tenths from 79 tenths to get 18 tenths (1.8).

  3. 3. 18.8 − 17.3 = ____

    1.5

    Subtract 173 tenths from 188 tenths to get 15 tenths (1.5).

  4. 4. 13.2 − 2.6 = ____

    10.6

    Subtract 26 tenths from 132 tenths to get 106 tenths (10.6).

  5. 5. 13.2 − 5.5 = ____

    7.7

    Subtract 55 tenths from 132 tenths to get 77 tenths (7.7).

  6. 6. 13.8 − 7.3 = ____

    6.5

    Subtract 73 tenths from 138 tenths to get 65 tenths (6.5).

  7. 7. 19.2 − 6.6 = ____

    12.6

    Subtract 66 tenths from 192 tenths to get 126 tenths (12.6).

  8. 8. 15.1 − 6.2 = ____

    8.9

    Subtract 62 tenths from 151 tenths to get 89 tenths (8.9).

  9. 9. 13.7 − 10.0 = ____

    3.7

    Subtract 100 tenths from 137 tenths to get 37 tenths (3.7).

  10. 10. 20.0 − 9.0 = ____

    11.0

    Subtract 90 tenths from 200 tenths to get 110 tenths (11.0).

  11. 11. 24.4 − 7.4 = ____

    17.0

    Subtract 74 tenths from 244 tenths to get 170 tenths (17.0).

  12. 12. 15.2 − 9.5 = ____

    5.7

    Subtract 95 tenths from 152 tenths to get 57 tenths (5.7).

12 questions · Seed 53 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 13-15

Decimal subtraction

Take your time. Show your thinking.

  1. 1. 10.7 − 3.3 = ____

    10.7 · 3.3 · Decimal subtraction

  2. 2. 7.9 − 6.1 = ____

    7.9 · 6.1 · Decimal subtraction

  3. 3. 18.8 − 17.3 = ____

    18.8 · 17.3 · Decimal subtraction

  4. 4. 13.2 − 2.6 = ____

    13.2 · 2.6 · Decimal subtraction

  5. 5. 13.2 − 5.5 = ____

    13.2 · 5.5 · Decimal subtraction

  6. 6. 13.8 − 7.3 = ____

    13.8 · 7.3 · Decimal subtraction

  7. 7. 19.2 − 6.6 = ____

    19.2 · 6.6 · Decimal subtraction

  8. 8. 15.1 − 6.2 = ____

    15.1 · 6.2 · Decimal subtraction

  9. 9. 13.7 − 10.0 = ____

    13.7 · 10.0 · Decimal subtraction

  10. 10. 20.0 − 9.0 = ____

    20.0 · 9.0 · Decimal subtraction

  11. 11. 24.4 − 7.4 = ____

    24.4 · 7.4 · Decimal subtraction

  12. 12. 15.2 − 9.5 = ____

    15.2 · 9.5 · Decimal subtraction
12 questions · Seed 53 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 13-15

Decimal subtraction

Answers and reasoning. Review before teaching.

  1. 1. 10.7 − 3.3 = ____

    7.4

    Subtract 33 tenths from 107 tenths to get 74 tenths (7.4).

  2. 2. 7.9 − 6.1 = ____

    1.8

    Subtract 61 tenths from 79 tenths to get 18 tenths (1.8).

  3. 3. 18.8 − 17.3 = ____

    1.5

    Subtract 173 tenths from 188 tenths to get 15 tenths (1.5).

  4. 4. 13.2 − 2.6 = ____

    10.6

    Subtract 26 tenths from 132 tenths to get 106 tenths (10.6).

  5. 5. 13.2 − 5.5 = ____

    7.7

    Subtract 55 tenths from 132 tenths to get 77 tenths (7.7).

  6. 6. 13.8 − 7.3 = ____

    6.5

    Subtract 73 tenths from 138 tenths to get 65 tenths (6.5).

  7. 7. 19.2 − 6.6 = ____

    12.6

    Subtract 66 tenths from 192 tenths to get 126 tenths (12.6).

  8. 8. 15.1 − 6.2 = ____

    8.9

    Subtract 62 tenths from 151 tenths to get 89 tenths (8.9).

  9. 9. 13.7 − 10.0 = ____

    3.7

    Subtract 100 tenths from 137 tenths to get 37 tenths (3.7).

  10. 10. 20.0 − 9.0 = ____

    11.0

    Subtract 90 tenths from 200 tenths to get 110 tenths (11.0).

  11. 11. 24.4 − 7.4 = ____

    17.0

    Subtract 74 tenths from 244 tenths to get 170 tenths (17.0).

  12. 12. 15.2 − 9.5 = ____

    5.7

    Subtract 95 tenths from 152 tenths to get 57 tenths (5.7).

12 questions · Seed 53 · Age guidance, not curriculum certification