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Missing number in subtraction
Find the unknown number subtracted from a starting total to leave a given remainder. Review suitability for your learners before teaching.
Worksheet StudioPractice pack · Ages 10-12
Missing number in subtraction
Take your time. Show your thinking.
1. Find the missing number: 56 − ____ = 22
2. Find the missing number: 64 − ____ = 40
3. Find the missing number: 48 − ____ = 21
4. Find the missing number: 31 − ____ = 12
5. Find the missing number: 58 − ____ = 26
6. Find the missing number: 55 − ____ = 29
7. Find the missing number: 24 − ____ = 12
8. Find the missing number: 64 − ____ = 38
9. Find the missing number: 62 − ____ = 30
10. Find the missing number: 49 − ____ = 26
11. Find the missing number: 12 − ____ = 5
12. Find the missing number: 33 − ____ = 22
12 questions · Seed 80 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 10-12
Missing number in subtraction
Answers and reasoning. Review before teaching.
1. Find the missing number: 56 − ____ = 22
34Subtract 22 from 56: 56 − 22 = 34.
2. Find the missing number: 64 − ____ = 40
24Subtract 40 from 64: 64 − 40 = 24.
3. Find the missing number: 48 − ____ = 21
27Subtract 21 from 48: 48 − 21 = 27.
4. Find the missing number: 31 − ____ = 12
19Subtract 12 from 31: 31 − 12 = 19.
5. Find the missing number: 58 − ____ = 26
32Subtract 26 from 58: 58 − 26 = 32.
6. Find the missing number: 55 − ____ = 29
26Subtract 29 from 55: 55 − 29 = 26.
7. Find the missing number: 24 − ____ = 12
12Subtract 12 from 24: 24 − 12 = 12.
8. Find the missing number: 64 − ____ = 38
26Subtract 38 from 64: 64 − 38 = 26.
9. Find the missing number: 62 − ____ = 30
32Subtract 30 from 62: 62 − 30 = 32.
10. Find the missing number: 49 − ____ = 26
23Subtract 26 from 49: 49 − 26 = 23.
11. Find the missing number: 12 − ____ = 5
7Subtract 5 from 12: 12 − 5 = 7.
12. Find the missing number: 33 − ____ = 22
11Subtract 22 from 33: 33 − 22 = 11.
12 questions · Seed 80 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 10-12
Missing number in subtraction
Take your time. Show your thinking.
1. Find the missing number: 56 − ____ = 22
2. Find the missing number: 64 − ____ = 40
3. Find the missing number: 48 − ____ = 21
4. Find the missing number: 31 − ____ = 12
5. Find the missing number: 58 − ____ = 26
6. Find the missing number: 55 − ____ = 29
7. Find the missing number: 24 − ____ = 12
8. Find the missing number: 64 − ____ = 38
9. Find the missing number: 62 − ____ = 30
10. Find the missing number: 49 − ____ = 26
11. Find the missing number: 12 − ____ = 5
12. Find the missing number: 33 − ____ = 22
12 questions · Seed 80 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 10-12
Missing number in subtraction
Answers and reasoning. Review before teaching.
1. Find the missing number: 56 − ____ = 22
34Subtract 22 from 56: 56 − 22 = 34.
2. Find the missing number: 64 − ____ = 40
24Subtract 40 from 64: 64 − 40 = 24.
3. Find the missing number: 48 − ____ = 21
27Subtract 21 from 48: 48 − 21 = 27.
4. Find the missing number: 31 − ____ = 12
19Subtract 12 from 31: 31 − 12 = 19.
5. Find the missing number: 58 − ____ = 26
32Subtract 26 from 58: 58 − 26 = 32.
6. Find the missing number: 55 − ____ = 29
26Subtract 29 from 55: 55 − 29 = 26.
7. Find the missing number: 24 − ____ = 12
12Subtract 12 from 24: 24 − 12 = 12.
8. Find the missing number: 64 − ____ = 38
26Subtract 38 from 64: 64 − 38 = 26.
9. Find the missing number: 62 − ____ = 30
32Subtract 30 from 62: 62 − 30 = 32.
10. Find the missing number: 49 − ____ = 26
23Subtract 26 from 49: 49 − 26 = 23.
11. Find the missing number: 12 − ____ = 5
7Subtract 5 from 12: 12 − 5 = 7.
12. Find the missing number: 33 − ____ = 22
11Subtract 22 from 33: 33 − 22 = 11.
12 questions · Seed 80 · Age guidance, not curriculum certification