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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. 15.1 − 6.3 = ____

    15.1 · 6.3 · Decimal subtraction

  2. 2. 24.4 − 3.0 = ____

    24.4 · 3.0 · Decimal subtraction

  3. 3. 8.3 − 3.2 = ____

    8.3 · 3.2 · Decimal subtraction

  4. 4. 10.4 − 6.3 = ____

    10.4 · 6.3 · Decimal subtraction

  5. 5. 20.2 − 4.5 = ____

    20.2 · 4.5 · Decimal subtraction

  6. 6. 5.6 − 3.0 = ____

    5.6 · 3.0 · Decimal subtraction

  7. 7. 21.4 − 1.7 = ____

    21.4 · 1.7 · Decimal subtraction

  8. 8. 13.3 − 3.3 = ____

    13.3 · 3.3 · Decimal subtraction

  9. 9. 13.7 − 12.7 = ____

    13.7 · 12.7 · Decimal subtraction

  10. 10. 20.2 − 17.6 = ____

    20.2 · 17.6 · Decimal subtraction

  11. 11. 4.3 − 1.8 = ____

    4.3 · 1.8 · Decimal subtraction

  12. 12. 11.1 − 4.3 = ____

    11.1 · 4.3 · Decimal subtraction
12 questions · Seed 50 · 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. 15.1 − 6.3 = ____

    8.8

    Subtract 63 tenths from 151 tenths to get 88 tenths (8.8).

  2. 2. 24.4 − 3.0 = ____

    21.4

    Subtract 30 tenths from 244 tenths to get 214 tenths (21.4).

  3. 3. 8.3 − 3.2 = ____

    5.1

    Subtract 32 tenths from 83 tenths to get 51 tenths (5.1).

  4. 4. 10.4 − 6.3 = ____

    4.1

    Subtract 63 tenths from 104 tenths to get 41 tenths (4.1).

  5. 5. 20.2 − 4.5 = ____

    15.7

    Subtract 45 tenths from 202 tenths to get 157 tenths (15.7).

  6. 6. 5.6 − 3.0 = ____

    2.6

    Subtract 30 tenths from 56 tenths to get 26 tenths (2.6).

  7. 7. 21.4 − 1.7 = ____

    19.7

    Subtract 17 tenths from 214 tenths to get 197 tenths (19.7).

  8. 8. 13.3 − 3.3 = ____

    10.0

    Subtract 33 tenths from 133 tenths to get 100 tenths (10.0).

  9. 9. 13.7 − 12.7 = ____

    1.0

    Subtract 127 tenths from 137 tenths to get 10 tenths (1.0).

  10. 10. 20.2 − 17.6 = ____

    2.6

    Subtract 176 tenths from 202 tenths to get 26 tenths (2.6).

  11. 11. 4.3 − 1.8 = ____

    2.5

    Subtract 18 tenths from 43 tenths to get 25 tenths (2.5).

  12. 12. 11.1 − 4.3 = ____

    6.8

    Subtract 43 tenths from 111 tenths to get 68 tenths (6.8).

12 questions · Seed 50 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 10-12

Decimal subtraction

Take your time. Show your thinking.

  1. 1. 15.1 − 6.3 = ____

    15.1 · 6.3 · Decimal subtraction

  2. 2. 24.4 − 3.0 = ____

    24.4 · 3.0 · Decimal subtraction

  3. 3. 8.3 − 3.2 = ____

    8.3 · 3.2 · Decimal subtraction

  4. 4. 10.4 − 6.3 = ____

    10.4 · 6.3 · Decimal subtraction

  5. 5. 20.2 − 4.5 = ____

    20.2 · 4.5 · Decimal subtraction

  6. 6. 5.6 − 3.0 = ____

    5.6 · 3.0 · Decimal subtraction

  7. 7. 21.4 − 1.7 = ____

    21.4 · 1.7 · Decimal subtraction

  8. 8. 13.3 − 3.3 = ____

    13.3 · 3.3 · Decimal subtraction

  9. 9. 13.7 − 12.7 = ____

    13.7 · 12.7 · Decimal subtraction

  10. 10. 20.2 − 17.6 = ____

    20.2 · 17.6 · Decimal subtraction

  11. 11. 4.3 − 1.8 = ____

    4.3 · 1.8 · Decimal subtraction

  12. 12. 11.1 − 4.3 = ____

    11.1 · 4.3 · Decimal subtraction
12 questions · Seed 50 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 10-12

Decimal subtraction

Answers and reasoning. Review before teaching.

  1. 1. 15.1 − 6.3 = ____

    8.8

    Subtract 63 tenths from 151 tenths to get 88 tenths (8.8).

  2. 2. 24.4 − 3.0 = ____

    21.4

    Subtract 30 tenths from 244 tenths to get 214 tenths (21.4).

  3. 3. 8.3 − 3.2 = ____

    5.1

    Subtract 32 tenths from 83 tenths to get 51 tenths (5.1).

  4. 4. 10.4 − 6.3 = ____

    4.1

    Subtract 63 tenths from 104 tenths to get 41 tenths (4.1).

  5. 5. 20.2 − 4.5 = ____

    15.7

    Subtract 45 tenths from 202 tenths to get 157 tenths (15.7).

  6. 6. 5.6 − 3.0 = ____

    2.6

    Subtract 30 tenths from 56 tenths to get 26 tenths (2.6).

  7. 7. 21.4 − 1.7 = ____

    19.7

    Subtract 17 tenths from 214 tenths to get 197 tenths (19.7).

  8. 8. 13.3 − 3.3 = ____

    10.0

    Subtract 33 tenths from 133 tenths to get 100 tenths (10.0).

  9. 9. 13.7 − 12.7 = ____

    1.0

    Subtract 127 tenths from 137 tenths to get 10 tenths (1.0).

  10. 10. 20.2 − 17.6 = ____

    2.6

    Subtract 176 tenths from 202 tenths to get 26 tenths (2.6).

  11. 11. 4.3 − 1.8 = ____

    2.5

    Subtract 18 tenths from 43 tenths to get 25 tenths (2.5).

  12. 12. 11.1 − 4.3 = ____

    6.8

    Subtract 43 tenths from 111 tenths to get 68 tenths (6.8).

12 questions · Seed 50 · Age guidance, not curriculum certification