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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 7-9
Missing number in subtraction
Take your time. Show your thinking.
1. Find the missing number: 59 − ____ = 33
2. Find the missing number: 43 − ____ = 16
3. Find the missing number: 27 − ____ = 24
4. Find the missing number: 54 − ____ = 21
5. Find the missing number: 49 − ____ = 20
6. Find the missing number: 38 − ____ = 29
7. Find the missing number: 51 − ____ = 18
8. Find the missing number: 42 − ____ = 15
9. Find the missing number: 47 − ____ = 35
10. Find the missing number: 57 − ____ = 31
11. Find the missing number: 59 − ____ = 36
12. Find the missing number: 17 − ____ = 11
12 questions · Seed 100 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 7-9
Missing number in subtraction
Answers and reasoning. Review before teaching.
1. Find the missing number: 59 − ____ = 33
26Subtract 33 from 59: 59 − 33 = 26.
2. Find the missing number: 43 − ____ = 16
27Subtract 16 from 43: 43 − 16 = 27.
3. Find the missing number: 27 − ____ = 24
3Subtract 24 from 27: 27 − 24 = 3.
4. Find the missing number: 54 − ____ = 21
33Subtract 21 from 54: 54 − 21 = 33.
5. Find the missing number: 49 − ____ = 20
29Subtract 20 from 49: 49 − 20 = 29.
6. Find the missing number: 38 − ____ = 29
9Subtract 29 from 38: 38 − 29 = 9.
7. Find the missing number: 51 − ____ = 18
33Subtract 18 from 51: 51 − 18 = 33.
8. Find the missing number: 42 − ____ = 15
27Subtract 15 from 42: 42 − 15 = 27.
9. Find the missing number: 47 − ____ = 35
12Subtract 35 from 47: 47 − 35 = 12.
10. Find the missing number: 57 − ____ = 31
26Subtract 31 from 57: 57 − 31 = 26.
11. Find the missing number: 59 − ____ = 36
23Subtract 36 from 59: 59 − 36 = 23.
12. Find the missing number: 17 − ____ = 11
6Subtract 11 from 17: 17 − 11 = 6.
12 questions · Seed 100 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 7-9
Missing number in subtraction
Take your time. Show your thinking.
1. Find the missing number: 59 − ____ = 33
2. Find the missing number: 43 − ____ = 16
3. Find the missing number: 27 − ____ = 24
4. Find the missing number: 54 − ____ = 21
5. Find the missing number: 49 − ____ = 20
6. Find the missing number: 38 − ____ = 29
7. Find the missing number: 51 − ____ = 18
8. Find the missing number: 42 − ____ = 15
9. Find the missing number: 47 − ____ = 35
10. Find the missing number: 57 − ____ = 31
11. Find the missing number: 59 − ____ = 36
12. Find the missing number: 17 − ____ = 11
12 questions · Seed 100 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 7-9
Missing number in subtraction
Answers and reasoning. Review before teaching.
1. Find the missing number: 59 − ____ = 33
26Subtract 33 from 59: 59 − 33 = 26.
2. Find the missing number: 43 − ____ = 16
27Subtract 16 from 43: 43 − 16 = 27.
3. Find the missing number: 27 − ____ = 24
3Subtract 24 from 27: 27 − 24 = 3.
4. Find the missing number: 54 − ____ = 21
33Subtract 21 from 54: 54 − 21 = 33.
5. Find the missing number: 49 − ____ = 20
29Subtract 20 from 49: 49 − 20 = 29.
6. Find the missing number: 38 − ____ = 29
9Subtract 29 from 38: 38 − 29 = 9.
7. Find the missing number: 51 − ____ = 18
33Subtract 18 from 51: 51 − 18 = 33.
8. Find the missing number: 42 − ____ = 15
27Subtract 15 from 42: 42 − 15 = 27.
9. Find the missing number: 47 − ____ = 35
12Subtract 35 from 47: 47 − 35 = 12.
10. Find the missing number: 57 − ____ = 31
26Subtract 31 from 57: 57 − 31 = 26.
11. Find the missing number: 59 − ____ = 36
23Subtract 36 from 59: 59 − 36 = 23.
12. Find the missing number: 17 − ____ = 11
6Subtract 11 from 17: 17 − 11 = 6.
12 questions · Seed 100 · Age guidance, not curriculum certification