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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. 16.3 − 3.0 = ____

    16.3 · 3.0 · Decimal subtraction

  2. 2. 23.4 − 19.8 = ____

    23.4 · 19.8 · Decimal subtraction

  3. 3. 14.8 − 2.0 = ____

    14.8 · 2.0 · Decimal subtraction

  4. 4. 9.3 − 7.2 = ____

    9.3 · 7.2 · Decimal subtraction

  5. 5. 10.1 − 6.0 = ____

    10.1 · 6.0 · Decimal subtraction

  6. 6. 22.8 − 16.9 = ____

    22.8 · 16.9 · Decimal subtraction

  7. 7. 4.9 − 3.0 = ____

    4.9 · 3.0 · Decimal subtraction

  8. 8. 17.8 − 5.2 = ____

    17.8 · 5.2 · Decimal subtraction

  9. 9. 19.0 − 7.7 = ____

    19.0 · 7.7 · Decimal subtraction

  10. 10. 19.9 − 11.9 = ____

    19.9 · 11.9 · Decimal subtraction

  11. 11. 20.9 − 9.3 = ____

    20.9 · 9.3 · Decimal subtraction

  12. 12. 13.0 − 2.5 = ____

    13.0 · 2.5 · Decimal subtraction
12 questions · Seed 44 · 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. 16.3 − 3.0 = ____

    13.3

    Subtract 30 tenths from 163 tenths to get 133 tenths (13.3).

  2. 2. 23.4 − 19.8 = ____

    3.6

    Subtract 198 tenths from 234 tenths to get 36 tenths (3.6).

  3. 3. 14.8 − 2.0 = ____

    12.8

    Subtract 20 tenths from 148 tenths to get 128 tenths (12.8).

  4. 4. 9.3 − 7.2 = ____

    2.1

    Subtract 72 tenths from 93 tenths to get 21 tenths (2.1).

  5. 5. 10.1 − 6.0 = ____

    4.1

    Subtract 60 tenths from 101 tenths to get 41 tenths (4.1).

  6. 6. 22.8 − 16.9 = ____

    5.9

    Subtract 169 tenths from 228 tenths to get 59 tenths (5.9).

  7. 7. 4.9 − 3.0 = ____

    1.9

    Subtract 30 tenths from 49 tenths to get 19 tenths (1.9).

  8. 8. 17.8 − 5.2 = ____

    12.6

    Subtract 52 tenths from 178 tenths to get 126 tenths (12.6).

  9. 9. 19.0 − 7.7 = ____

    11.3

    Subtract 77 tenths from 190 tenths to get 113 tenths (11.3).

  10. 10. 19.9 − 11.9 = ____

    8.0

    Subtract 119 tenths from 199 tenths to get 80 tenths (8.0).

  11. 11. 20.9 − 9.3 = ____

    11.6

    Subtract 93 tenths from 209 tenths to get 116 tenths (11.6).

  12. 12. 13.0 − 2.5 = ____

    10.5

    Subtract 25 tenths from 130 tenths to get 105 tenths (10.5).

12 questions · Seed 44 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 10-12

Decimal subtraction

Take your time. Show your thinking.

  1. 1. 16.3 − 3.0 = ____

    16.3 · 3.0 · Decimal subtraction

  2. 2. 23.4 − 19.8 = ____

    23.4 · 19.8 · Decimal subtraction

  3. 3. 14.8 − 2.0 = ____

    14.8 · 2.0 · Decimal subtraction

  4. 4. 9.3 − 7.2 = ____

    9.3 · 7.2 · Decimal subtraction

  5. 5. 10.1 − 6.0 = ____

    10.1 · 6.0 · Decimal subtraction

  6. 6. 22.8 − 16.9 = ____

    22.8 · 16.9 · Decimal subtraction

  7. 7. 4.9 − 3.0 = ____

    4.9 · 3.0 · Decimal subtraction

  8. 8. 17.8 − 5.2 = ____

    17.8 · 5.2 · Decimal subtraction

  9. 9. 19.0 − 7.7 = ____

    19.0 · 7.7 · Decimal subtraction

  10. 10. 19.9 − 11.9 = ____

    19.9 · 11.9 · Decimal subtraction

  11. 11. 20.9 − 9.3 = ____

    20.9 · 9.3 · Decimal subtraction

  12. 12. 13.0 − 2.5 = ____

    13.0 · 2.5 · Decimal subtraction
12 questions · Seed 44 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 10-12

Decimal subtraction

Answers and reasoning. Review before teaching.

  1. 1. 16.3 − 3.0 = ____

    13.3

    Subtract 30 tenths from 163 tenths to get 133 tenths (13.3).

  2. 2. 23.4 − 19.8 = ____

    3.6

    Subtract 198 tenths from 234 tenths to get 36 tenths (3.6).

  3. 3. 14.8 − 2.0 = ____

    12.8

    Subtract 20 tenths from 148 tenths to get 128 tenths (12.8).

  4. 4. 9.3 − 7.2 = ____

    2.1

    Subtract 72 tenths from 93 tenths to get 21 tenths (2.1).

  5. 5. 10.1 − 6.0 = ____

    4.1

    Subtract 60 tenths from 101 tenths to get 41 tenths (4.1).

  6. 6. 22.8 − 16.9 = ____

    5.9

    Subtract 169 tenths from 228 tenths to get 59 tenths (5.9).

  7. 7. 4.9 − 3.0 = ____

    1.9

    Subtract 30 tenths from 49 tenths to get 19 tenths (1.9).

  8. 8. 17.8 − 5.2 = ____

    12.6

    Subtract 52 tenths from 178 tenths to get 126 tenths (12.6).

  9. 9. 19.0 − 7.7 = ____

    11.3

    Subtract 77 tenths from 190 tenths to get 113 tenths (11.3).

  10. 10. 19.9 − 11.9 = ____

    8.0

    Subtract 119 tenths from 199 tenths to get 80 tenths (8.0).

  11. 11. 20.9 − 9.3 = ____

    11.6

    Subtract 93 tenths from 209 tenths to get 116 tenths (11.6).

  12. 12. 13.0 − 2.5 = ____

    10.5

    Subtract 25 tenths from 130 tenths to get 105 tenths (10.5).

12 questions · Seed 44 · Age guidance, not curriculum certification