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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. 21.1 − 19.3 = ____

    21.1 · 19.3 · Decimal subtraction

  2. 2. 9.1 − 5.4 = ____

    9.1 · 5.4 · Decimal subtraction

  3. 3. 4.0 − 3.4 = ____

    4.0 · 3.4 · Decimal subtraction

  4. 4. 14.5 − 2.6 = ____

    14.5 · 2.6 · Decimal subtraction

  5. 5. 12.0 − 3.9 = ____

    12.0 · 3.9 · Decimal subtraction

  6. 6. 13.8 − 5.0 = ____

    13.8 · 5.0 · Decimal subtraction

  7. 7. 8.9 − 3.5 = ____

    8.9 · 3.5 · Decimal subtraction

  8. 8. 16.6 − 3.6 = ____

    16.6 · 3.6 · Decimal subtraction

  9. 9. 24.0 − 20.5 = ____

    24.0 · 20.5 · Decimal subtraction

  10. 10. 21.8 − 15.7 = ____

    21.8 · 15.7 · Decimal subtraction

  11. 11. 10.5 − 4.8 = ____

    10.5 · 4.8 · Decimal subtraction

  12. 12. 19.5 − 4.0 = ____

    19.5 · 4.0 · Decimal subtraction
12 questions · Seed 46 · 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. 21.1 − 19.3 = ____

    1.8

    Subtract 193 tenths from 211 tenths to get 18 tenths (1.8).

  2. 2. 9.1 − 5.4 = ____

    3.7

    Subtract 54 tenths from 91 tenths to get 37 tenths (3.7).

  3. 3. 4.0 − 3.4 = ____

    0.6

    Subtract 34 tenths from 40 tenths to get 6 tenths (0.6).

  4. 4. 14.5 − 2.6 = ____

    11.9

    Subtract 26 tenths from 145 tenths to get 119 tenths (11.9).

  5. 5. 12.0 − 3.9 = ____

    8.1

    Subtract 39 tenths from 120 tenths to get 81 tenths (8.1).

  6. 6. 13.8 − 5.0 = ____

    8.8

    Subtract 50 tenths from 138 tenths to get 88 tenths (8.8).

  7. 7. 8.9 − 3.5 = ____

    5.4

    Subtract 35 tenths from 89 tenths to get 54 tenths (5.4).

  8. 8. 16.6 − 3.6 = ____

    13.0

    Subtract 36 tenths from 166 tenths to get 130 tenths (13.0).

  9. 9. 24.0 − 20.5 = ____

    3.5

    Subtract 205 tenths from 240 tenths to get 35 tenths (3.5).

  10. 10. 21.8 − 15.7 = ____

    6.1

    Subtract 157 tenths from 218 tenths to get 61 tenths (6.1).

  11. 11. 10.5 − 4.8 = ____

    5.7

    Subtract 48 tenths from 105 tenths to get 57 tenths (5.7).

  12. 12. 19.5 − 4.0 = ____

    15.5

    Subtract 40 tenths from 195 tenths to get 155 tenths (15.5).

12 questions · Seed 46 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 10-12

Decimal subtraction

Take your time. Show your thinking.

  1. 1. 21.1 − 19.3 = ____

    21.1 · 19.3 · Decimal subtraction

  2. 2. 9.1 − 5.4 = ____

    9.1 · 5.4 · Decimal subtraction

  3. 3. 4.0 − 3.4 = ____

    4.0 · 3.4 · Decimal subtraction

  4. 4. 14.5 − 2.6 = ____

    14.5 · 2.6 · Decimal subtraction

  5. 5. 12.0 − 3.9 = ____

    12.0 · 3.9 · Decimal subtraction

  6. 6. 13.8 − 5.0 = ____

    13.8 · 5.0 · Decimal subtraction

  7. 7. 8.9 − 3.5 = ____

    8.9 · 3.5 · Decimal subtraction

  8. 8. 16.6 − 3.6 = ____

    16.6 · 3.6 · Decimal subtraction

  9. 9. 24.0 − 20.5 = ____

    24.0 · 20.5 · Decimal subtraction

  10. 10. 21.8 − 15.7 = ____

    21.8 · 15.7 · Decimal subtraction

  11. 11. 10.5 − 4.8 = ____

    10.5 · 4.8 · Decimal subtraction

  12. 12. 19.5 − 4.0 = ____

    19.5 · 4.0 · Decimal subtraction
12 questions · Seed 46 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 10-12

Decimal subtraction

Answers and reasoning. Review before teaching.

  1. 1. 21.1 − 19.3 = ____

    1.8

    Subtract 193 tenths from 211 tenths to get 18 tenths (1.8).

  2. 2. 9.1 − 5.4 = ____

    3.7

    Subtract 54 tenths from 91 tenths to get 37 tenths (3.7).

  3. 3. 4.0 − 3.4 = ____

    0.6

    Subtract 34 tenths from 40 tenths to get 6 tenths (0.6).

  4. 4. 14.5 − 2.6 = ____

    11.9

    Subtract 26 tenths from 145 tenths to get 119 tenths (11.9).

  5. 5. 12.0 − 3.9 = ____

    8.1

    Subtract 39 tenths from 120 tenths to get 81 tenths (8.1).

  6. 6. 13.8 − 5.0 = ____

    8.8

    Subtract 50 tenths from 138 tenths to get 88 tenths (8.8).

  7. 7. 8.9 − 3.5 = ____

    5.4

    Subtract 35 tenths from 89 tenths to get 54 tenths (5.4).

  8. 8. 16.6 − 3.6 = ____

    13.0

    Subtract 36 tenths from 166 tenths to get 130 tenths (13.0).

  9. 9. 24.0 − 20.5 = ____

    3.5

    Subtract 205 tenths from 240 tenths to get 35 tenths (3.5).

  10. 10. 21.8 − 15.7 = ____

    6.1

    Subtract 157 tenths from 218 tenths to get 61 tenths (6.1).

  11. 11. 10.5 − 4.8 = ____

    5.7

    Subtract 48 tenths from 105 tenths to get 57 tenths (5.7).

  12. 12. 19.5 − 4.0 = ____

    15.5

    Subtract 40 tenths from 195 tenths to get 155 tenths (15.5).

12 questions · Seed 46 · Age guidance, not curriculum certification