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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: 31 − ____ = 17
2. Find the missing number: 19 − ____ = 6
3. Find the missing number: 59 − ____ = 24
4. Find the missing number: 27 − ____ = 14
5. Find the missing number: 56 − ____ = 28
6. Find the missing number: 44 − ____ = 22
7. Find the missing number: 31 − ____ = 26
8. Find the missing number: 53 − ____ = 18
9. Find the missing number: 33 − ____ = 17
10. Find the missing number: 22 − ____ = 14
11. Find the missing number: 51 − ____ = 40
12. Find the missing number: 49 − ____ = 32
12 questions · Seed 104774 · 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: 31 − ____ = 17
14Subtract 17 from 31: 31 − 17 = 14.
2. Find the missing number: 19 − ____ = 6
13Subtract 6 from 19: 19 − 6 = 13.
3. Find the missing number: 59 − ____ = 24
35Subtract 24 from 59: 59 − 24 = 35.
4. Find the missing number: 27 − ____ = 14
13Subtract 14 from 27: 27 − 14 = 13.
5. Find the missing number: 56 − ____ = 28
28Subtract 28 from 56: 56 − 28 = 28.
6. Find the missing number: 44 − ____ = 22
22Subtract 22 from 44: 44 − 22 = 22.
7. Find the missing number: 31 − ____ = 26
5Subtract 26 from 31: 31 − 26 = 5.
8. Find the missing number: 53 − ____ = 18
35Subtract 18 from 53: 53 − 18 = 35.
9. Find the missing number: 33 − ____ = 17
16Subtract 17 from 33: 33 − 17 = 16.
10. Find the missing number: 22 − ____ = 14
8Subtract 14 from 22: 22 − 14 = 8.
11. Find the missing number: 51 − ____ = 40
11Subtract 40 from 51: 51 − 40 = 11.
12. Find the missing number: 49 − ____ = 32
17Subtract 32 from 49: 49 − 32 = 17.
12 questions · Seed 104774 · 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: 31 − ____ = 17
2. Find the missing number: 19 − ____ = 6
3. Find the missing number: 59 − ____ = 24
4. Find the missing number: 27 − ____ = 14
5. Find the missing number: 56 − ____ = 28
6. Find the missing number: 44 − ____ = 22
7. Find the missing number: 31 − ____ = 26
8. Find the missing number: 53 − ____ = 18
9. Find the missing number: 33 − ____ = 17
10. Find the missing number: 22 − ____ = 14
11. Find the missing number: 51 − ____ = 40
12. Find the missing number: 49 − ____ = 32
12 questions · Seed 104774 · 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: 31 − ____ = 17
14Subtract 17 from 31: 31 − 17 = 14.
2. Find the missing number: 19 − ____ = 6
13Subtract 6 from 19: 19 − 6 = 13.
3. Find the missing number: 59 − ____ = 24
35Subtract 24 from 59: 59 − 24 = 35.
4. Find the missing number: 27 − ____ = 14
13Subtract 14 from 27: 27 − 14 = 13.
5. Find the missing number: 56 − ____ = 28
28Subtract 28 from 56: 56 − 28 = 28.
6. Find the missing number: 44 − ____ = 22
22Subtract 22 from 44: 44 − 22 = 22.
7. Find the missing number: 31 − ____ = 26
5Subtract 26 from 31: 31 − 26 = 5.
8. Find the missing number: 53 − ____ = 18
35Subtract 18 from 53: 53 − 18 = 35.
9. Find the missing number: 33 − ____ = 17
16Subtract 17 from 33: 33 − 17 = 16.
10. Find the missing number: 22 − ____ = 14
8Subtract 14 from 22: 22 − 14 = 8.
11. Find the missing number: 51 − ____ = 40
11Subtract 40 from 51: 51 − 40 = 11.
12. Find the missing number: 49 − ____ = 32
17Subtract 32 from 49: 49 − 32 = 17.
12 questions · Seed 104774 · Age guidance, not curriculum certification