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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: 24 − ____ = 8
2. Find the missing number: 31 − ____ = 18
3. Find the missing number: 33 − ____ = 7
4. Find the missing number: 44 − ____ = 34
5. Find the missing number: 38 − ____ = 33
6. Find the missing number: 26 − ____ = 22
7. Find the missing number: 65 − ____ = 37
8. Find the missing number: 34 − ____ = 14
9. Find the missing number: 38 − ____ = 30
10. Find the missing number: 49 − ____ = 27
11. Find the missing number: 56 − ____ = 28
12. Find the missing number: 19 − ____ = 16
12 questions · Seed 104744 · 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: 24 − ____ = 8
16Subtract 8 from 24: 24 − 8 = 16.
2. Find the missing number: 31 − ____ = 18
13Subtract 18 from 31: 31 − 18 = 13.
3. Find the missing number: 33 − ____ = 7
26Subtract 7 from 33: 33 − 7 = 26.
4. Find the missing number: 44 − ____ = 34
10Subtract 34 from 44: 44 − 34 = 10.
5. Find the missing number: 38 − ____ = 33
5Subtract 33 from 38: 38 − 33 = 5.
6. Find the missing number: 26 − ____ = 22
4Subtract 22 from 26: 26 − 22 = 4.
7. Find the missing number: 65 − ____ = 37
28Subtract 37 from 65: 65 − 37 = 28.
8. Find the missing number: 34 − ____ = 14
20Subtract 14 from 34: 34 − 14 = 20.
9. Find the missing number: 38 − ____ = 30
8Subtract 30 from 38: 38 − 30 = 8.
10. Find the missing number: 49 − ____ = 27
22Subtract 27 from 49: 49 − 27 = 22.
11. Find the missing number: 56 − ____ = 28
28Subtract 28 from 56: 56 − 28 = 28.
12. Find the missing number: 19 − ____ = 16
3Subtract 16 from 19: 19 − 16 = 3.
12 questions · Seed 104744 · 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: 24 − ____ = 8
2. Find the missing number: 31 − ____ = 18
3. Find the missing number: 33 − ____ = 7
4. Find the missing number: 44 − ____ = 34
5. Find the missing number: 38 − ____ = 33
6. Find the missing number: 26 − ____ = 22
7. Find the missing number: 65 − ____ = 37
8. Find the missing number: 34 − ____ = 14
9. Find the missing number: 38 − ____ = 30
10. Find the missing number: 49 − ____ = 27
11. Find the missing number: 56 − ____ = 28
12. Find the missing number: 19 − ____ = 16
12 questions · Seed 104744 · 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: 24 − ____ = 8
16Subtract 8 from 24: 24 − 8 = 16.
2. Find the missing number: 31 − ____ = 18
13Subtract 18 from 31: 31 − 18 = 13.
3. Find the missing number: 33 − ____ = 7
26Subtract 7 from 33: 33 − 7 = 26.
4. Find the missing number: 44 − ____ = 34
10Subtract 34 from 44: 44 − 34 = 10.
5. Find the missing number: 38 − ____ = 33
5Subtract 33 from 38: 38 − 33 = 5.
6. Find the missing number: 26 − ____ = 22
4Subtract 22 from 26: 26 − 22 = 4.
7. Find the missing number: 65 − ____ = 37
28Subtract 37 from 65: 65 − 37 = 28.
8. Find the missing number: 34 − ____ = 14
20Subtract 14 from 34: 34 − 14 = 20.
9. Find the missing number: 38 − ____ = 30
8Subtract 30 from 38: 38 − 30 = 8.
10. Find the missing number: 49 − ____ = 27
22Subtract 27 from 49: 49 − 27 = 22.
11. Find the missing number: 56 − ____ = 28
28Subtract 28 from 56: 56 − 28 = 28.
12. Find the missing number: 19 − ____ = 16
3Subtract 16 from 19: 19 − 16 = 3.
12 questions · Seed 104744 · Age guidance, not curriculum certification