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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: 27 − ____ = 23
2. Find the missing number: 17 − ____ = 12
3. Find the missing number: 46 − ____ = 12
4. Find the missing number: 31 − ____ = 24
5. Find the missing number: 41 − ____ = 10
6. Find the missing number: 38 − ____ = 30
7. Find the missing number: 69 − ____ = 36
8. Find the missing number: 44 − ____ = 35
9. Find the missing number: 36 − ____ = 18
10. Find the missing number: 55 − ____ = 35
11. Find the missing number: 44 − ____ = 25
12. Find the missing number: 52 − ____ = 40
12 questions · Seed 104757 · 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: 27 − ____ = 23
4Subtract 23 from 27: 27 − 23 = 4.
2. Find the missing number: 17 − ____ = 12
5Subtract 12 from 17: 17 − 12 = 5.
3. Find the missing number: 46 − ____ = 12
34Subtract 12 from 46: 46 − 12 = 34.
4. Find the missing number: 31 − ____ = 24
7Subtract 24 from 31: 31 − 24 = 7.
5. Find the missing number: 41 − ____ = 10
31Subtract 10 from 41: 41 − 10 = 31.
6. Find the missing number: 38 − ____ = 30
8Subtract 30 from 38: 38 − 30 = 8.
7. Find the missing number: 69 − ____ = 36
33Subtract 36 from 69: 69 − 36 = 33.
8. Find the missing number: 44 − ____ = 35
9Subtract 35 from 44: 44 − 35 = 9.
9. Find the missing number: 36 − ____ = 18
18Subtract 18 from 36: 36 − 18 = 18.
10. Find the missing number: 55 − ____ = 35
20Subtract 35 from 55: 55 − 35 = 20.
11. Find the missing number: 44 − ____ = 25
19Subtract 25 from 44: 44 − 25 = 19.
12. Find the missing number: 52 − ____ = 40
12Subtract 40 from 52: 52 − 40 = 12.
12 questions · Seed 104757 · 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: 27 − ____ = 23
2. Find the missing number: 17 − ____ = 12
3. Find the missing number: 46 − ____ = 12
4. Find the missing number: 31 − ____ = 24
5. Find the missing number: 41 − ____ = 10
6. Find the missing number: 38 − ____ = 30
7. Find the missing number: 69 − ____ = 36
8. Find the missing number: 44 − ____ = 35
9. Find the missing number: 36 − ____ = 18
10. Find the missing number: 55 − ____ = 35
11. Find the missing number: 44 − ____ = 25
12. Find the missing number: 52 − ____ = 40
12 questions · Seed 104757 · 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: 27 − ____ = 23
4Subtract 23 from 27: 27 − 23 = 4.
2. Find the missing number: 17 − ____ = 12
5Subtract 12 from 17: 17 − 12 = 5.
3. Find the missing number: 46 − ____ = 12
34Subtract 12 from 46: 46 − 12 = 34.
4. Find the missing number: 31 − ____ = 24
7Subtract 24 from 31: 31 − 24 = 7.
5. Find the missing number: 41 − ____ = 10
31Subtract 10 from 41: 41 − 10 = 31.
6. Find the missing number: 38 − ____ = 30
8Subtract 30 from 38: 38 − 30 = 8.
7. Find the missing number: 69 − ____ = 36
33Subtract 36 from 69: 69 − 36 = 33.
8. Find the missing number: 44 − ____ = 35
9Subtract 35 from 44: 44 − 35 = 9.
9. Find the missing number: 36 − ____ = 18
18Subtract 18 from 36: 36 − 18 = 18.
10. Find the missing number: 55 − ____ = 35
20Subtract 35 from 55: 55 − 35 = 20.
11. Find the missing number: 44 − ____ = 25
19Subtract 25 from 44: 44 − 25 = 19.
12. Find the missing number: 52 − ____ = 40
12Subtract 40 from 52: 52 − 40 = 12.
12 questions · Seed 104757 · Age guidance, not curriculum certification