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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. 9.3 − 7.8 = ____

    9.3 · 7.8 · Decimal subtraction

  2. 2. 23.8 − 6.2 = ____

    23.8 · 6.2 · Decimal subtraction

  3. 3. 18.5 − 5.1 = ____

    18.5 · 5.1 · Decimal subtraction

  4. 4. 5.0 − 4.3 = ____

    5.0 · 4.3 · Decimal subtraction

  5. 5. 15.9 − 3.9 = ____

    15.9 · 3.9 · Decimal subtraction

  6. 6. 5.4 − 3.0 = ____

    5.4 · 3.0 · Decimal subtraction

  7. 7. 11.0 − 10.1 = ____

    11.0 · 10.1 · Decimal subtraction

  8. 8. 12.3 − 8.4 = ____

    12.3 · 8.4 · Decimal subtraction

  9. 9. 10.1 − 2.5 = ____

    10.1 · 2.5 · Decimal subtraction

  10. 10. 19.6 − 2.3 = ____

    19.6 · 2.3 · Decimal subtraction

  11. 11. 4.0 − 1.7 = ____

    4.0 · 1.7 · Decimal subtraction

  12. 12. 8.3 − 3.7 = ____

    8.3 · 3.7 · Decimal subtraction
12 questions · Seed 52 · 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. 9.3 − 7.8 = ____

    1.5

    Subtract 78 tenths from 93 tenths to get 15 tenths (1.5).

  2. 2. 23.8 − 6.2 = ____

    17.6

    Subtract 62 tenths from 238 tenths to get 176 tenths (17.6).

  3. 3. 18.5 − 5.1 = ____

    13.4

    Subtract 51 tenths from 185 tenths to get 134 tenths (13.4).

  4. 4. 5.0 − 4.3 = ____

    0.7

    Subtract 43 tenths from 50 tenths to get 7 tenths (0.7).

  5. 5. 15.9 − 3.9 = ____

    12.0

    Subtract 39 tenths from 159 tenths to get 120 tenths (12.0).

  6. 6. 5.4 − 3.0 = ____

    2.4

    Subtract 30 tenths from 54 tenths to get 24 tenths (2.4).

  7. 7. 11.0 − 10.1 = ____

    0.9

    Subtract 101 tenths from 110 tenths to get 9 tenths (0.9).

  8. 8. 12.3 − 8.4 = ____

    3.9

    Subtract 84 tenths from 123 tenths to get 39 tenths (3.9).

  9. 9. 10.1 − 2.5 = ____

    7.6

    Subtract 25 tenths from 101 tenths to get 76 tenths (7.6).

  10. 10. 19.6 − 2.3 = ____

    17.3

    Subtract 23 tenths from 196 tenths to get 173 tenths (17.3).

  11. 11. 4.0 − 1.7 = ____

    2.3

    Subtract 17 tenths from 40 tenths to get 23 tenths (2.3).

  12. 12. 8.3 − 3.7 = ____

    4.6

    Subtract 37 tenths from 83 tenths to get 46 tenths (4.6).

12 questions · Seed 52 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 13-15

Decimal subtraction

Take your time. Show your thinking.

  1. 1. 9.3 − 7.8 = ____

    9.3 · 7.8 · Decimal subtraction

  2. 2. 23.8 − 6.2 = ____

    23.8 · 6.2 · Decimal subtraction

  3. 3. 18.5 − 5.1 = ____

    18.5 · 5.1 · Decimal subtraction

  4. 4. 5.0 − 4.3 = ____

    5.0 · 4.3 · Decimal subtraction

  5. 5. 15.9 − 3.9 = ____

    15.9 · 3.9 · Decimal subtraction

  6. 6. 5.4 − 3.0 = ____

    5.4 · 3.0 · Decimal subtraction

  7. 7. 11.0 − 10.1 = ____

    11.0 · 10.1 · Decimal subtraction

  8. 8. 12.3 − 8.4 = ____

    12.3 · 8.4 · Decimal subtraction

  9. 9. 10.1 − 2.5 = ____

    10.1 · 2.5 · Decimal subtraction

  10. 10. 19.6 − 2.3 = ____

    19.6 · 2.3 · Decimal subtraction

  11. 11. 4.0 − 1.7 = ____

    4.0 · 1.7 · Decimal subtraction

  12. 12. 8.3 − 3.7 = ____

    8.3 · 3.7 · Decimal subtraction
12 questions · Seed 52 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 13-15

Decimal subtraction

Answers and reasoning. Review before teaching.

  1. 1. 9.3 − 7.8 = ____

    1.5

    Subtract 78 tenths from 93 tenths to get 15 tenths (1.5).

  2. 2. 23.8 − 6.2 = ____

    17.6

    Subtract 62 tenths from 238 tenths to get 176 tenths (17.6).

  3. 3. 18.5 − 5.1 = ____

    13.4

    Subtract 51 tenths from 185 tenths to get 134 tenths (13.4).

  4. 4. 5.0 − 4.3 = ____

    0.7

    Subtract 43 tenths from 50 tenths to get 7 tenths (0.7).

  5. 5. 15.9 − 3.9 = ____

    12.0

    Subtract 39 tenths from 159 tenths to get 120 tenths (12.0).

  6. 6. 5.4 − 3.0 = ____

    2.4

    Subtract 30 tenths from 54 tenths to get 24 tenths (2.4).

  7. 7. 11.0 − 10.1 = ____

    0.9

    Subtract 101 tenths from 110 tenths to get 9 tenths (0.9).

  8. 8. 12.3 − 8.4 = ____

    3.9

    Subtract 84 tenths from 123 tenths to get 39 tenths (3.9).

  9. 9. 10.1 − 2.5 = ____

    7.6

    Subtract 25 tenths from 101 tenths to get 76 tenths (7.6).

  10. 10. 19.6 − 2.3 = ____

    17.3

    Subtract 23 tenths from 196 tenths to get 173 tenths (17.3).

  11. 11. 4.0 − 1.7 = ____

    2.3

    Subtract 17 tenths from 40 tenths to get 23 tenths (2.3).

  12. 12. 8.3 − 3.7 = ____

    4.6

    Subtract 37 tenths from 83 tenths to get 46 tenths (4.6).

12 questions · Seed 52 · Age guidance, not curriculum certification