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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. 5.2 − 3.4 = ____

    5.2 · 3.4 · Decimal subtraction

  2. 2. 19.5 − 12.4 = ____

    19.5 · 12.4 · Decimal subtraction

  3. 3. 7.9 − 3.0 = ____

    7.9 · 3.0 · Decimal subtraction

  4. 4. 9.4 − 3.6 = ____

    9.4 · 3.6 · Decimal subtraction

  5. 5. 9.1 − 1.7 = ____

    9.1 · 1.7 · Decimal subtraction

  6. 6. 21.5 − 17.6 = ____

    21.5 · 17.6 · Decimal subtraction

  7. 7. 11.9 − 7.4 = ____

    11.9 · 7.4 · Decimal subtraction

  8. 8. 9.2 − 8.3 = ____

    9.2 · 8.3 · Decimal subtraction

  9. 9. 18.2 − 13.9 = ____

    18.2 · 13.9 · Decimal subtraction

  10. 10. 17.4 − 9.7 = ____

    17.4 · 9.7 · Decimal subtraction

  11. 11. 20.8 − 17.1 = ____

    20.8 · 17.1 · Decimal subtraction

  12. 12. 14.2 − 4.4 = ____

    14.2 · 4.4 · Decimal subtraction
12 questions · Seed 47 · 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. 5.2 − 3.4 = ____

    1.8

    Subtract 34 tenths from 52 tenths to get 18 tenths (1.8).

  2. 2. 19.5 − 12.4 = ____

    7.1

    Subtract 124 tenths from 195 tenths to get 71 tenths (7.1).

  3. 3. 7.9 − 3.0 = ____

    4.9

    Subtract 30 tenths from 79 tenths to get 49 tenths (4.9).

  4. 4. 9.4 − 3.6 = ____

    5.8

    Subtract 36 tenths from 94 tenths to get 58 tenths (5.8).

  5. 5. 9.1 − 1.7 = ____

    7.4

    Subtract 17 tenths from 91 tenths to get 74 tenths (7.4).

  6. 6. 21.5 − 17.6 = ____

    3.9

    Subtract 176 tenths from 215 tenths to get 39 tenths (3.9).

  7. 7. 11.9 − 7.4 = ____

    4.5

    Subtract 74 tenths from 119 tenths to get 45 tenths (4.5).

  8. 8. 9.2 − 8.3 = ____

    0.9

    Subtract 83 tenths from 92 tenths to get 9 tenths (0.9).

  9. 9. 18.2 − 13.9 = ____

    4.3

    Subtract 139 tenths from 182 tenths to get 43 tenths (4.3).

  10. 10. 17.4 − 9.7 = ____

    7.7

    Subtract 97 tenths from 174 tenths to get 77 tenths (7.7).

  11. 11. 20.8 − 17.1 = ____

    3.7

    Subtract 171 tenths from 208 tenths to get 37 tenths (3.7).

  12. 12. 14.2 − 4.4 = ____

    9.8

    Subtract 44 tenths from 142 tenths to get 98 tenths (9.8).

12 questions · Seed 47 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 13-15

Decimal subtraction

Take your time. Show your thinking.

  1. 1. 5.2 − 3.4 = ____

    5.2 · 3.4 · Decimal subtraction

  2. 2. 19.5 − 12.4 = ____

    19.5 · 12.4 · Decimal subtraction

  3. 3. 7.9 − 3.0 = ____

    7.9 · 3.0 · Decimal subtraction

  4. 4. 9.4 − 3.6 = ____

    9.4 · 3.6 · Decimal subtraction

  5. 5. 9.1 − 1.7 = ____

    9.1 · 1.7 · Decimal subtraction

  6. 6. 21.5 − 17.6 = ____

    21.5 · 17.6 · Decimal subtraction

  7. 7. 11.9 − 7.4 = ____

    11.9 · 7.4 · Decimal subtraction

  8. 8. 9.2 − 8.3 = ____

    9.2 · 8.3 · Decimal subtraction

  9. 9. 18.2 − 13.9 = ____

    18.2 · 13.9 · Decimal subtraction

  10. 10. 17.4 − 9.7 = ____

    17.4 · 9.7 · Decimal subtraction

  11. 11. 20.8 − 17.1 = ____

    20.8 · 17.1 · Decimal subtraction

  12. 12. 14.2 − 4.4 = ____

    14.2 · 4.4 · Decimal subtraction
12 questions · Seed 47 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 13-15

Decimal subtraction

Answers and reasoning. Review before teaching.

  1. 1. 5.2 − 3.4 = ____

    1.8

    Subtract 34 tenths from 52 tenths to get 18 tenths (1.8).

  2. 2. 19.5 − 12.4 = ____

    7.1

    Subtract 124 tenths from 195 tenths to get 71 tenths (7.1).

  3. 3. 7.9 − 3.0 = ____

    4.9

    Subtract 30 tenths from 79 tenths to get 49 tenths (4.9).

  4. 4. 9.4 − 3.6 = ____

    5.8

    Subtract 36 tenths from 94 tenths to get 58 tenths (5.8).

  5. 5. 9.1 − 1.7 = ____

    7.4

    Subtract 17 tenths from 91 tenths to get 74 tenths (7.4).

  6. 6. 21.5 − 17.6 = ____

    3.9

    Subtract 176 tenths from 215 tenths to get 39 tenths (3.9).

  7. 7. 11.9 − 7.4 = ____

    4.5

    Subtract 74 tenths from 119 tenths to get 45 tenths (4.5).

  8. 8. 9.2 − 8.3 = ____

    0.9

    Subtract 83 tenths from 92 tenths to get 9 tenths (0.9).

  9. 9. 18.2 − 13.9 = ____

    4.3

    Subtract 139 tenths from 182 tenths to get 43 tenths (4.3).

  10. 10. 17.4 − 9.7 = ____

    7.7

    Subtract 97 tenths from 174 tenths to get 77 tenths (7.7).

  11. 11. 20.8 − 17.1 = ____

    3.7

    Subtract 171 tenths from 208 tenths to get 37 tenths (3.7).

  12. 12. 14.2 − 4.4 = ____

    9.8

    Subtract 44 tenths from 142 tenths to get 98 tenths (9.8).

12 questions · Seed 47 · Age guidance, not curriculum certification