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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: 60 − ____ = 37
2. Find the missing number: 35 − ____ = 23
3. Find the missing number: 17 − ____ = 13
4. Find the missing number: 10 − ____ = 6
5. Find the missing number: 21 − ____ = 18
6. Find the missing number: 54 − ____ = 30
7. Find the missing number: 37 − ____ = 25
8. Find the missing number: 18 − ____ = 4
9. Find the missing number: 43 − ____ = 19
10. Find the missing number: 57 − ____ = 36
11. Find the missing number: 54 − ____ = 38
12. Find the missing number: 35 − ____ = 18
12 questions · Seed 74 · 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: 60 − ____ = 37
23Subtract 37 from 60: 60 − 37 = 23.
2. Find the missing number: 35 − ____ = 23
12Subtract 23 from 35: 35 − 23 = 12.
3. Find the missing number: 17 − ____ = 13
4Subtract 13 from 17: 17 − 13 = 4.
4. Find the missing number: 10 − ____ = 6
4Subtract 6 from 10: 10 − 6 = 4.
5. Find the missing number: 21 − ____ = 18
3Subtract 18 from 21: 21 − 18 = 3.
6. Find the missing number: 54 − ____ = 30
24Subtract 30 from 54: 54 − 30 = 24.
7. Find the missing number: 37 − ____ = 25
12Subtract 25 from 37: 37 − 25 = 12.
8. Find the missing number: 18 − ____ = 4
14Subtract 4 from 18: 18 − 4 = 14.
9. Find the missing number: 43 − ____ = 19
24Subtract 19 from 43: 43 − 19 = 24.
10. Find the missing number: 57 − ____ = 36
21Subtract 36 from 57: 57 − 36 = 21.
11. Find the missing number: 54 − ____ = 38
16Subtract 38 from 54: 54 − 38 = 16.
12. Find the missing number: 35 − ____ = 18
17Subtract 18 from 35: 35 − 18 = 17.
12 questions · Seed 74 · 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: 60 − ____ = 37
2. Find the missing number: 35 − ____ = 23
3. Find the missing number: 17 − ____ = 13
4. Find the missing number: 10 − ____ = 6
5. Find the missing number: 21 − ____ = 18
6. Find the missing number: 54 − ____ = 30
7. Find the missing number: 37 − ____ = 25
8. Find the missing number: 18 − ____ = 4
9. Find the missing number: 43 − ____ = 19
10. Find the missing number: 57 − ____ = 36
11. Find the missing number: 54 − ____ = 38
12. Find the missing number: 35 − ____ = 18
12 questions · Seed 74 · 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: 60 − ____ = 37
23Subtract 37 from 60: 60 − 37 = 23.
2. Find the missing number: 35 − ____ = 23
12Subtract 23 from 35: 35 − 23 = 12.
3. Find the missing number: 17 − ____ = 13
4Subtract 13 from 17: 17 − 13 = 4.
4. Find the missing number: 10 − ____ = 6
4Subtract 6 from 10: 10 − 6 = 4.
5. Find the missing number: 21 − ____ = 18
3Subtract 18 from 21: 21 − 18 = 3.
6. Find the missing number: 54 − ____ = 30
24Subtract 30 from 54: 54 − 30 = 24.
7. Find the missing number: 37 − ____ = 25
12Subtract 25 from 37: 37 − 25 = 12.
8. Find the missing number: 18 − ____ = 4
14Subtract 4 from 18: 18 − 4 = 14.
9. Find the missing number: 43 − ____ = 19
24Subtract 19 from 43: 43 − 19 = 24.
10. Find the missing number: 57 − ____ = 36
21Subtract 36 from 57: 57 − 36 = 21.
11. Find the missing number: 54 − ____ = 38
16Subtract 38 from 54: 54 − 38 = 16.
12. Find the missing number: 35 − ____ = 18
17Subtract 18 from 35: 35 − 18 = 17.
12 questions · Seed 74 · Age guidance, not curriculum certification