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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: 36 − ____ = 24
2. Find the missing number: 64 − ____ = 31
3. Find the missing number: 32 − ____ = 19
4. Find the missing number: 34 − ____ = 16
5. Find the missing number: 50 − ____ = 15
6. Find the missing number: 44 − ____ = 27
7. Find the missing number: 31 − ____ = 13
8. Find the missing number: 46 − ____ = 38
9. Find the missing number: 37 − ____ = 26
10. Find the missing number: 59 − ____ = 37
11. Find the missing number: 18 − ____ = 12
12. Find the missing number: 28 − ____ = 8
12 questions · Seed 91 · 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: 36 − ____ = 24
12Subtract 24 from 36: 36 − 24 = 12.
2. Find the missing number: 64 − ____ = 31
33Subtract 31 from 64: 64 − 31 = 33.
3. Find the missing number: 32 − ____ = 19
13Subtract 19 from 32: 32 − 19 = 13.
4. Find the missing number: 34 − ____ = 16
18Subtract 16 from 34: 34 − 16 = 18.
5. Find the missing number: 50 − ____ = 15
35Subtract 15 from 50: 50 − 15 = 35.
6. Find the missing number: 44 − ____ = 27
17Subtract 27 from 44: 44 − 27 = 17.
7. Find the missing number: 31 − ____ = 13
18Subtract 13 from 31: 31 − 13 = 18.
8. Find the missing number: 46 − ____ = 38
8Subtract 38 from 46: 46 − 38 = 8.
9. Find the missing number: 37 − ____ = 26
11Subtract 26 from 37: 37 − 26 = 11.
10. Find the missing number: 59 − ____ = 37
22Subtract 37 from 59: 59 − 37 = 22.
11. Find the missing number: 18 − ____ = 12
6Subtract 12 from 18: 18 − 12 = 6.
12. Find the missing number: 28 − ____ = 8
20Subtract 8 from 28: 28 − 8 = 20.
12 questions · Seed 91 · 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: 36 − ____ = 24
2. Find the missing number: 64 − ____ = 31
3. Find the missing number: 32 − ____ = 19
4. Find the missing number: 34 − ____ = 16
5. Find the missing number: 50 − ____ = 15
6. Find the missing number: 44 − ____ = 27
7. Find the missing number: 31 − ____ = 13
8. Find the missing number: 46 − ____ = 38
9. Find the missing number: 37 − ____ = 26
10. Find the missing number: 59 − ____ = 37
11. Find the missing number: 18 − ____ = 12
12. Find the missing number: 28 − ____ = 8
12 questions · Seed 91 · 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: 36 − ____ = 24
12Subtract 24 from 36: 36 − 24 = 12.
2. Find the missing number: 64 − ____ = 31
33Subtract 31 from 64: 64 − 31 = 33.
3. Find the missing number: 32 − ____ = 19
13Subtract 19 from 32: 32 − 19 = 13.
4. Find the missing number: 34 − ____ = 16
18Subtract 16 from 34: 34 − 16 = 18.
5. Find the missing number: 50 − ____ = 15
35Subtract 15 from 50: 50 − 15 = 35.
6. Find the missing number: 44 − ____ = 27
17Subtract 27 from 44: 44 − 27 = 17.
7. Find the missing number: 31 − ____ = 13
18Subtract 13 from 31: 31 − 13 = 18.
8. Find the missing number: 46 − ____ = 38
8Subtract 38 from 46: 46 − 38 = 8.
9. Find the missing number: 37 − ____ = 26
11Subtract 26 from 37: 37 − 26 = 11.
10. Find the missing number: 59 − ____ = 37
22Subtract 37 from 59: 59 − 37 = 22.
11. Find the missing number: 18 − ____ = 12
6Subtract 12 from 18: 18 − 12 = 6.
12. Find the missing number: 28 − ____ = 8
20Subtract 8 from 28: 28 − 8 = 20.
12 questions · Seed 91 · Age guidance, not curriculum certification