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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: 48 − ____ = 32
2. Find the missing number: 36 − ____ = 31
3. Find the missing number: 37 − ____ = 30
4. Find the missing number: 28 − ____ = 6
5. Find the missing number: 20 − ____ = 17
6. Find the missing number: 48 − ____ = 19
7. Find the missing number: 31 − ____ = 25
8. Find the missing number: 43 − ____ = 35
9. Find the missing number: 43 − ____ = 8
10. Find the missing number: 9 − ____ = 5
11. Find the missing number: 42 − ____ = 18
12. Find the missing number: 17 − ____ = 12
12 questions · Seed 104745 · 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: 48 − ____ = 32
16Subtract 32 from 48: 48 − 32 = 16.
2. Find the missing number: 36 − ____ = 31
5Subtract 31 from 36: 36 − 31 = 5.
3. Find the missing number: 37 − ____ = 30
7Subtract 30 from 37: 37 − 30 = 7.
4. Find the missing number: 28 − ____ = 6
22Subtract 6 from 28: 28 − 6 = 22.
5. Find the missing number: 20 − ____ = 17
3Subtract 17 from 20: 20 − 17 = 3.
6. Find the missing number: 48 − ____ = 19
29Subtract 19 from 48: 48 − 19 = 29.
7. Find the missing number: 31 − ____ = 25
6Subtract 25 from 31: 31 − 25 = 6.
8. Find the missing number: 43 − ____ = 35
8Subtract 35 from 43: 43 − 35 = 8.
9. Find the missing number: 43 − ____ = 8
35Subtract 8 from 43: 43 − 8 = 35.
10. Find the missing number: 9 − ____ = 5
4Subtract 5 from 9: 9 − 5 = 4.
11. Find the missing number: 42 − ____ = 18
24Subtract 18 from 42: 42 − 18 = 24.
12. Find the missing number: 17 − ____ = 12
5Subtract 12 from 17: 17 − 12 = 5.
12 questions · Seed 104745 · 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: 48 − ____ = 32
2. Find the missing number: 36 − ____ = 31
3. Find the missing number: 37 − ____ = 30
4. Find the missing number: 28 − ____ = 6
5. Find the missing number: 20 − ____ = 17
6. Find the missing number: 48 − ____ = 19
7. Find the missing number: 31 − ____ = 25
8. Find the missing number: 43 − ____ = 35
9. Find the missing number: 43 − ____ = 8
10. Find the missing number: 9 − ____ = 5
11. Find the missing number: 42 − ____ = 18
12. Find the missing number: 17 − ____ = 12
12 questions · Seed 104745 · 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: 48 − ____ = 32
16Subtract 32 from 48: 48 − 32 = 16.
2. Find the missing number: 36 − ____ = 31
5Subtract 31 from 36: 36 − 31 = 5.
3. Find the missing number: 37 − ____ = 30
7Subtract 30 from 37: 37 − 30 = 7.
4. Find the missing number: 28 − ____ = 6
22Subtract 6 from 28: 28 − 6 = 22.
5. Find the missing number: 20 − ____ = 17
3Subtract 17 from 20: 20 − 17 = 3.
6. Find the missing number: 48 − ____ = 19
29Subtract 19 from 48: 48 − 19 = 29.
7. Find the missing number: 31 − ____ = 25
6Subtract 25 from 31: 31 − 25 = 6.
8. Find the missing number: 43 − ____ = 35
8Subtract 35 from 43: 43 − 35 = 8.
9. Find the missing number: 43 − ____ = 8
35Subtract 8 from 43: 43 − 8 = 35.
10. Find the missing number: 9 − ____ = 5
4Subtract 5 from 9: 9 − 5 = 4.
11. Find the missing number: 42 − ____ = 18
24Subtract 18 from 42: 42 − 18 = 24.
12. Find the missing number: 17 − ____ = 12
5Subtract 12 from 17: 17 − 12 = 5.
12 questions · Seed 104745 · Age guidance, not curriculum certification