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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: 28 − ____ = 17
2. Find the missing number: 19 − ____ = 13
3. Find the missing number: 33 − ____ = 11
4. Find the missing number: 54 − ____ = 25
5. Find the missing number: 46 − ____ = 11
6. Find the missing number: 52 − ____ = 28
7. Find the missing number: 29 − ____ = 17
8. Find the missing number: 45 − ____ = 32
9. Find the missing number: 53 − ____ = 31
10. Find the missing number: 54 − ____ = 40
11. Find the missing number: 53 − ____ = 20
12. Find the missing number: 17 − ____ = 7
12 questions · Seed 104743 · 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: 28 − ____ = 17
11Subtract 17 from 28: 28 − 17 = 11.
2. Find the missing number: 19 − ____ = 13
6Subtract 13 from 19: 19 − 13 = 6.
3. Find the missing number: 33 − ____ = 11
22Subtract 11 from 33: 33 − 11 = 22.
4. Find the missing number: 54 − ____ = 25
29Subtract 25 from 54: 54 − 25 = 29.
5. Find the missing number: 46 − ____ = 11
35Subtract 11 from 46: 46 − 11 = 35.
6. Find the missing number: 52 − ____ = 28
24Subtract 28 from 52: 52 − 28 = 24.
7. Find the missing number: 29 − ____ = 17
12Subtract 17 from 29: 29 − 17 = 12.
8. Find the missing number: 45 − ____ = 32
13Subtract 32 from 45: 45 − 32 = 13.
9. Find the missing number: 53 − ____ = 31
22Subtract 31 from 53: 53 − 31 = 22.
10. Find the missing number: 54 − ____ = 40
14Subtract 40 from 54: 54 − 40 = 14.
11. Find the missing number: 53 − ____ = 20
33Subtract 20 from 53: 53 − 20 = 33.
12. Find the missing number: 17 − ____ = 7
10Subtract 7 from 17: 17 − 7 = 10.
12 questions · Seed 104743 · 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: 28 − ____ = 17
2. Find the missing number: 19 − ____ = 13
3. Find the missing number: 33 − ____ = 11
4. Find the missing number: 54 − ____ = 25
5. Find the missing number: 46 − ____ = 11
6. Find the missing number: 52 − ____ = 28
7. Find the missing number: 29 − ____ = 17
8. Find the missing number: 45 − ____ = 32
9. Find the missing number: 53 − ____ = 31
10. Find the missing number: 54 − ____ = 40
11. Find the missing number: 53 − ____ = 20
12. Find the missing number: 17 − ____ = 7
12 questions · Seed 104743 · 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: 28 − ____ = 17
11Subtract 17 from 28: 28 − 17 = 11.
2. Find the missing number: 19 − ____ = 13
6Subtract 13 from 19: 19 − 13 = 6.
3. Find the missing number: 33 − ____ = 11
22Subtract 11 from 33: 33 − 11 = 22.
4. Find the missing number: 54 − ____ = 25
29Subtract 25 from 54: 54 − 25 = 29.
5. Find the missing number: 46 − ____ = 11
35Subtract 11 from 46: 46 − 11 = 35.
6. Find the missing number: 52 − ____ = 28
24Subtract 28 from 52: 52 − 28 = 24.
7. Find the missing number: 29 − ____ = 17
12Subtract 17 from 29: 29 − 17 = 12.
8. Find the missing number: 45 − ____ = 32
13Subtract 32 from 45: 45 − 32 = 13.
9. Find the missing number: 53 − ____ = 31
22Subtract 31 from 53: 53 − 31 = 22.
10. Find the missing number: 54 − ____ = 40
14Subtract 40 from 54: 54 − 40 = 14.
11. Find the missing number: 53 − ____ = 20
33Subtract 20 from 53: 53 − 20 = 33.
12. Find the missing number: 17 − ____ = 7
10Subtract 7 from 17: 17 − 7 = 10.
12 questions · Seed 104743 · Age guidance, not curriculum certification