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MathsAges 10-12

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 10-12

Decimal subtraction

Take your time. Show your thinking.

  1. 1. 20.0 − 17.4 = ____

    20.0 · 17.4 · Decimal subtraction

  2. 2. 11.9 − 4.3 = ____

    11.9 · 4.3 · Decimal subtraction

  3. 3. 14.6 − 1.0 = ____

    14.6 · 1.0 · Decimal subtraction

  4. 4. 23.9 − 4.0 = ____

    23.9 · 4.0 · Decimal subtraction

  5. 5. 5.1 − 2.3 = ____

    5.1 · 2.3 · Decimal subtraction

  6. 6. 21.6 − 1.1 = ____

    21.6 · 1.1 · Decimal subtraction

  7. 7. 15.8 − 4.1 = ____

    15.8 · 4.1 · Decimal subtraction

  8. 8. 18.0 − 11.7 = ____

    18.0 · 11.7 · Decimal subtraction

  9. 9. 18.7 − 14.0 = ____

    18.7 · 14.0 · Decimal subtraction

  10. 10. 15.3 − 10.9 = ____

    15.3 · 10.9 · Decimal subtraction

  11. 11. 5.2 − 3.9 = ____

    5.2 · 3.9 · Decimal subtraction

  12. 12. 7.2 − 2.1 = ____

    7.2 · 2.1 · Decimal subtraction
12 questions · Seed 104729 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 10-12

Decimal subtraction

Answers and reasoning. Review before teaching.

  1. 1. 20.0 − 17.4 = ____

    2.6

    Subtract 174 tenths from 200 tenths to get 26 tenths (2.6).

  2. 2. 11.9 − 4.3 = ____

    7.6

    Subtract 43 tenths from 119 tenths to get 76 tenths (7.6).

  3. 3. 14.6 − 1.0 = ____

    13.6

    Subtract 10 tenths from 146 tenths to get 136 tenths (13.6).

  4. 4. 23.9 − 4.0 = ____

    19.9

    Subtract 40 tenths from 239 tenths to get 199 tenths (19.9).

  5. 5. 5.1 − 2.3 = ____

    2.8

    Subtract 23 tenths from 51 tenths to get 28 tenths (2.8).

  6. 6. 21.6 − 1.1 = ____

    20.5

    Subtract 11 tenths from 216 tenths to get 205 tenths (20.5).

  7. 7. 15.8 − 4.1 = ____

    11.7

    Subtract 41 tenths from 158 tenths to get 117 tenths (11.7).

  8. 8. 18.0 − 11.7 = ____

    6.3

    Subtract 117 tenths from 180 tenths to get 63 tenths (6.3).

  9. 9. 18.7 − 14.0 = ____

    4.7

    Subtract 140 tenths from 187 tenths to get 47 tenths (4.7).

  10. 10. 15.3 − 10.9 = ____

    4.4

    Subtract 109 tenths from 153 tenths to get 44 tenths (4.4).

  11. 11. 5.2 − 3.9 = ____

    1.3

    Subtract 39 tenths from 52 tenths to get 13 tenths (1.3).

  12. 12. 7.2 − 2.1 = ____

    5.1

    Subtract 21 tenths from 72 tenths to get 51 tenths (5.1).

12 questions · Seed 104729 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 10-12

Decimal subtraction

Take your time. Show your thinking.

  1. 1. 20.0 − 17.4 = ____

    20.0 · 17.4 · Decimal subtraction

  2. 2. 11.9 − 4.3 = ____

    11.9 · 4.3 · Decimal subtraction

  3. 3. 14.6 − 1.0 = ____

    14.6 · 1.0 · Decimal subtraction

  4. 4. 23.9 − 4.0 = ____

    23.9 · 4.0 · Decimal subtraction

  5. 5. 5.1 − 2.3 = ____

    5.1 · 2.3 · Decimal subtraction

  6. 6. 21.6 − 1.1 = ____

    21.6 · 1.1 · Decimal subtraction

  7. 7. 15.8 − 4.1 = ____

    15.8 · 4.1 · Decimal subtraction

  8. 8. 18.0 − 11.7 = ____

    18.0 · 11.7 · Decimal subtraction

  9. 9. 18.7 − 14.0 = ____

    18.7 · 14.0 · Decimal subtraction

  10. 10. 15.3 − 10.9 = ____

    15.3 · 10.9 · Decimal subtraction

  11. 11. 5.2 − 3.9 = ____

    5.2 · 3.9 · Decimal subtraction

  12. 12. 7.2 − 2.1 = ____

    7.2 · 2.1 · Decimal subtraction
12 questions · Seed 104729 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 10-12

Decimal subtraction

Answers and reasoning. Review before teaching.

  1. 1. 20.0 − 17.4 = ____

    2.6

    Subtract 174 tenths from 200 tenths to get 26 tenths (2.6).

  2. 2. 11.9 − 4.3 = ____

    7.6

    Subtract 43 tenths from 119 tenths to get 76 tenths (7.6).

  3. 3. 14.6 − 1.0 = ____

    13.6

    Subtract 10 tenths from 146 tenths to get 136 tenths (13.6).

  4. 4. 23.9 − 4.0 = ____

    19.9

    Subtract 40 tenths from 239 tenths to get 199 tenths (19.9).

  5. 5. 5.1 − 2.3 = ____

    2.8

    Subtract 23 tenths from 51 tenths to get 28 tenths (2.8).

  6. 6. 21.6 − 1.1 = ____

    20.5

    Subtract 11 tenths from 216 tenths to get 205 tenths (20.5).

  7. 7. 15.8 − 4.1 = ____

    11.7

    Subtract 41 tenths from 158 tenths to get 117 tenths (11.7).

  8. 8. 18.0 − 11.7 = ____

    6.3

    Subtract 117 tenths from 180 tenths to get 63 tenths (6.3).

  9. 9. 18.7 − 14.0 = ____

    4.7

    Subtract 140 tenths from 187 tenths to get 47 tenths (4.7).

  10. 10. 15.3 − 10.9 = ____

    4.4

    Subtract 109 tenths from 153 tenths to get 44 tenths (4.4).

  11. 11. 5.2 − 3.9 = ____

    1.3

    Subtract 39 tenths from 52 tenths to get 13 tenths (1.3).

  12. 12. 7.2 − 2.1 = ____

    5.1

    Subtract 21 tenths from 72 tenths to get 51 tenths (5.1).

12 questions · Seed 104729 · Age guidance, not curriculum certification