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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 − ____ = 15
2. Find the missing number: 60 − ____ = 36
3. Find the missing number: 40 − ____ = 11
4. Find the missing number: 69 − ____ = 36
5. Find the missing number: 61 − ____ = 38
6. Find the missing number: 28 − ____ = 10
7. Find the missing number: 39 − ____ = 21
8. Find the missing number: 26 − ____ = 6
9. Find the missing number: 71 − ____ = 38
10. Find the missing number: 52 − ____ = 36
11. Find the missing number: 47 − ____ = 32
12. Find the missing number: 46 − ____ = 18
12 questions · Seed 104749 · 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 − ____ = 15
12Subtract 15 from 27: 27 − 15 = 12.
2. Find the missing number: 60 − ____ = 36
24Subtract 36 from 60: 60 − 36 = 24.
3. Find the missing number: 40 − ____ = 11
29Subtract 11 from 40: 40 − 11 = 29.
4. Find the missing number: 69 − ____ = 36
33Subtract 36 from 69: 69 − 36 = 33.
5. Find the missing number: 61 − ____ = 38
23Subtract 38 from 61: 61 − 38 = 23.
6. Find the missing number: 28 − ____ = 10
18Subtract 10 from 28: 28 − 10 = 18.
7. Find the missing number: 39 − ____ = 21
18Subtract 21 from 39: 39 − 21 = 18.
8. Find the missing number: 26 − ____ = 6
20Subtract 6 from 26: 26 − 6 = 20.
9. Find the missing number: 71 − ____ = 38
33Subtract 38 from 71: 71 − 38 = 33.
10. Find the missing number: 52 − ____ = 36
16Subtract 36 from 52: 52 − 36 = 16.
11. Find the missing number: 47 − ____ = 32
15Subtract 32 from 47: 47 − 32 = 15.
12. Find the missing number: 46 − ____ = 18
28Subtract 18 from 46: 46 − 18 = 28.
12 questions · Seed 104749 · 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 − ____ = 15
2. Find the missing number: 60 − ____ = 36
3. Find the missing number: 40 − ____ = 11
4. Find the missing number: 69 − ____ = 36
5. Find the missing number: 61 − ____ = 38
6. Find the missing number: 28 − ____ = 10
7. Find the missing number: 39 − ____ = 21
8. Find the missing number: 26 − ____ = 6
9. Find the missing number: 71 − ____ = 38
10. Find the missing number: 52 − ____ = 36
11. Find the missing number: 47 − ____ = 32
12. Find the missing number: 46 − ____ = 18
12 questions · Seed 104749 · 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 − ____ = 15
12Subtract 15 from 27: 27 − 15 = 12.
2. Find the missing number: 60 − ____ = 36
24Subtract 36 from 60: 60 − 36 = 24.
3. Find the missing number: 40 − ____ = 11
29Subtract 11 from 40: 40 − 11 = 29.
4. Find the missing number: 69 − ____ = 36
33Subtract 36 from 69: 69 − 36 = 33.
5. Find the missing number: 61 − ____ = 38
23Subtract 38 from 61: 61 − 38 = 23.
6. Find the missing number: 28 − ____ = 10
18Subtract 10 from 28: 28 − 10 = 18.
7. Find the missing number: 39 − ____ = 21
18Subtract 21 from 39: 39 − 21 = 18.
8. Find the missing number: 26 − ____ = 6
20Subtract 6 from 26: 26 − 6 = 20.
9. Find the missing number: 71 − ____ = 38
33Subtract 38 from 71: 71 − 38 = 33.
10. Find the missing number: 52 − ____ = 36
16Subtract 36 from 52: 52 − 36 = 16.
11. Find the missing number: 47 − ____ = 32
15Subtract 32 from 47: 47 − 32 = 15.
12. Find the missing number: 46 − ____ = 18
28Subtract 18 from 46: 46 − 18 = 28.
12 questions · Seed 104749 · Age guidance, not curriculum certification