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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. 19.1 − 3.9 = ____

    19.1 · 3.9 · Decimal subtraction

  2. 2. 14.0 − 12.2 = ____

    14.0 · 12.2 · Decimal subtraction

  3. 3. 19.9 − 4.9 = ____

    19.9 · 4.9 · Decimal subtraction

  4. 4. 11.7 − 10.5 = ____

    11.7 · 10.5 · Decimal subtraction

  5. 5. 13.2 − 12.6 = ____

    13.2 · 12.6 · Decimal subtraction

  6. 6. 5.7 − 5.1 = ____

    5.7 · 5.1 · Decimal subtraction

  7. 7. 13.6 − 4.1 = ____

    13.6 · 4.1 · Decimal subtraction

  8. 8. 18.0 − 6.7 = ____

    18.0 · 6.7 · Decimal subtraction

  9. 9. 4.5 − 2.5 = ____

    4.5 · 2.5 · Decimal subtraction

  10. 10. 20.1 − 14.4 = ____

    20.1 · 14.4 · Decimal subtraction

  11. 11. 11.3 − 2.4 = ____

    11.3 · 2.4 · Decimal subtraction

  12. 12. 17.1 − 2.0 = ____

    17.1 · 2.0 · Decimal subtraction
12 questions · Seed 59 · 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. 19.1 − 3.9 = ____

    15.2

    Subtract 39 tenths from 191 tenths to get 152 tenths (15.2).

  2. 2. 14.0 − 12.2 = ____

    1.8

    Subtract 122 tenths from 140 tenths to get 18 tenths (1.8).

  3. 3. 19.9 − 4.9 = ____

    15.0

    Subtract 49 tenths from 199 tenths to get 150 tenths (15.0).

  4. 4. 11.7 − 10.5 = ____

    1.2

    Subtract 105 tenths from 117 tenths to get 12 tenths (1.2).

  5. 5. 13.2 − 12.6 = ____

    0.6

    Subtract 126 tenths from 132 tenths to get 6 tenths (0.6).

  6. 6. 5.7 − 5.1 = ____

    0.6

    Subtract 51 tenths from 57 tenths to get 6 tenths (0.6).

  7. 7. 13.6 − 4.1 = ____

    9.5

    Subtract 41 tenths from 136 tenths to get 95 tenths (9.5).

  8. 8. 18.0 − 6.7 = ____

    11.3

    Subtract 67 tenths from 180 tenths to get 113 tenths (11.3).

  9. 9. 4.5 − 2.5 = ____

    2.0

    Subtract 25 tenths from 45 tenths to get 20 tenths (2.0).

  10. 10. 20.1 − 14.4 = ____

    5.7

    Subtract 144 tenths from 201 tenths to get 57 tenths (5.7).

  11. 11. 11.3 − 2.4 = ____

    8.9

    Subtract 24 tenths from 113 tenths to get 89 tenths (8.9).

  12. 12. 17.1 − 2.0 = ____

    15.1

    Subtract 20 tenths from 171 tenths to get 151 tenths (15.1).

12 questions · Seed 59 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 13-15

Decimal subtraction

Take your time. Show your thinking.

  1. 1. 19.1 − 3.9 = ____

    19.1 · 3.9 · Decimal subtraction

  2. 2. 14.0 − 12.2 = ____

    14.0 · 12.2 · Decimal subtraction

  3. 3. 19.9 − 4.9 = ____

    19.9 · 4.9 · Decimal subtraction

  4. 4. 11.7 − 10.5 = ____

    11.7 · 10.5 · Decimal subtraction

  5. 5. 13.2 − 12.6 = ____

    13.2 · 12.6 · Decimal subtraction

  6. 6. 5.7 − 5.1 = ____

    5.7 · 5.1 · Decimal subtraction

  7. 7. 13.6 − 4.1 = ____

    13.6 · 4.1 · Decimal subtraction

  8. 8. 18.0 − 6.7 = ____

    18.0 · 6.7 · Decimal subtraction

  9. 9. 4.5 − 2.5 = ____

    4.5 · 2.5 · Decimal subtraction

  10. 10. 20.1 − 14.4 = ____

    20.1 · 14.4 · Decimal subtraction

  11. 11. 11.3 − 2.4 = ____

    11.3 · 2.4 · Decimal subtraction

  12. 12. 17.1 − 2.0 = ____

    17.1 · 2.0 · Decimal subtraction
12 questions · Seed 59 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 13-15

Decimal subtraction

Answers and reasoning. Review before teaching.

  1. 1. 19.1 − 3.9 = ____

    15.2

    Subtract 39 tenths from 191 tenths to get 152 tenths (15.2).

  2. 2. 14.0 − 12.2 = ____

    1.8

    Subtract 122 tenths from 140 tenths to get 18 tenths (1.8).

  3. 3. 19.9 − 4.9 = ____

    15.0

    Subtract 49 tenths from 199 tenths to get 150 tenths (15.0).

  4. 4. 11.7 − 10.5 = ____

    1.2

    Subtract 105 tenths from 117 tenths to get 12 tenths (1.2).

  5. 5. 13.2 − 12.6 = ____

    0.6

    Subtract 126 tenths from 132 tenths to get 6 tenths (0.6).

  6. 6. 5.7 − 5.1 = ____

    0.6

    Subtract 51 tenths from 57 tenths to get 6 tenths (0.6).

  7. 7. 13.6 − 4.1 = ____

    9.5

    Subtract 41 tenths from 136 tenths to get 95 tenths (9.5).

  8. 8. 18.0 − 6.7 = ____

    11.3

    Subtract 67 tenths from 180 tenths to get 113 tenths (11.3).

  9. 9. 4.5 − 2.5 = ____

    2.0

    Subtract 25 tenths from 45 tenths to get 20 tenths (2.0).

  10. 10. 20.1 − 14.4 = ____

    5.7

    Subtract 144 tenths from 201 tenths to get 57 tenths (5.7).

  11. 11. 11.3 − 2.4 = ____

    8.9

    Subtract 24 tenths from 113 tenths to get 89 tenths (8.9).

  12. 12. 17.1 − 2.0 = ____

    15.1

    Subtract 20 tenths from 171 tenths to get 151 tenths (15.1).

12 questions · Seed 59 · Age guidance, not curriculum certification