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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: 59 − ____ = 29
2. Find the missing number: 56 − ____ = 21
3. Find the missing number: 55 − ____ = 25
4. Find the missing number: 24 − ____ = 15
5. Find the missing number: 49 − ____ = 31
6. Find the missing number: 25 − ____ = 18
7. Find the missing number: 67 − ____ = 33
8. Find the missing number: 56 − ____ = 30
9. Find the missing number: 62 − ____ = 38
10. Find the missing number: 53 − ____ = 36
11. Find the missing number: 36 − ____ = 8
12. Find the missing number: 27 − ____ = 24
12 questions · Seed 85 · 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: 59 − ____ = 29
30Subtract 29 from 59: 59 − 29 = 30.
2. Find the missing number: 56 − ____ = 21
35Subtract 21 from 56: 56 − 21 = 35.
3. Find the missing number: 55 − ____ = 25
30Subtract 25 from 55: 55 − 25 = 30.
4. Find the missing number: 24 − ____ = 15
9Subtract 15 from 24: 24 − 15 = 9.
5. Find the missing number: 49 − ____ = 31
18Subtract 31 from 49: 49 − 31 = 18.
6. Find the missing number: 25 − ____ = 18
7Subtract 18 from 25: 25 − 18 = 7.
7. Find the missing number: 67 − ____ = 33
34Subtract 33 from 67: 67 − 33 = 34.
8. Find the missing number: 56 − ____ = 30
26Subtract 30 from 56: 56 − 30 = 26.
9. Find the missing number: 62 − ____ = 38
24Subtract 38 from 62: 62 − 38 = 24.
10. Find the missing number: 53 − ____ = 36
17Subtract 36 from 53: 53 − 36 = 17.
11. Find the missing number: 36 − ____ = 8
28Subtract 8 from 36: 36 − 8 = 28.
12. Find the missing number: 27 − ____ = 24
3Subtract 24 from 27: 27 − 24 = 3.
12 questions · Seed 85 · 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: 59 − ____ = 29
2. Find the missing number: 56 − ____ = 21
3. Find the missing number: 55 − ____ = 25
4. Find the missing number: 24 − ____ = 15
5. Find the missing number: 49 − ____ = 31
6. Find the missing number: 25 − ____ = 18
7. Find the missing number: 67 − ____ = 33
8. Find the missing number: 56 − ____ = 30
9. Find the missing number: 62 − ____ = 38
10. Find the missing number: 53 − ____ = 36
11. Find the missing number: 36 − ____ = 8
12. Find the missing number: 27 − ____ = 24
12 questions · Seed 85 · 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: 59 − ____ = 29
30Subtract 29 from 59: 59 − 29 = 30.
2. Find the missing number: 56 − ____ = 21
35Subtract 21 from 56: 56 − 21 = 35.
3. Find the missing number: 55 − ____ = 25
30Subtract 25 from 55: 55 − 25 = 30.
4. Find the missing number: 24 − ____ = 15
9Subtract 15 from 24: 24 − 15 = 9.
5. Find the missing number: 49 − ____ = 31
18Subtract 31 from 49: 49 − 31 = 18.
6. Find the missing number: 25 − ____ = 18
7Subtract 18 from 25: 25 − 18 = 7.
7. Find the missing number: 67 − ____ = 33
34Subtract 33 from 67: 67 − 33 = 34.
8. Find the missing number: 56 − ____ = 30
26Subtract 30 from 56: 56 − 30 = 26.
9. Find the missing number: 62 − ____ = 38
24Subtract 38 from 62: 62 − 38 = 24.
10. Find the missing number: 53 − ____ = 36
17Subtract 36 from 53: 53 − 36 = 17.
11. Find the missing number: 36 − ____ = 8
28Subtract 8 from 36: 36 − 8 = 28.
12. Find the missing number: 27 − ____ = 24
3Subtract 24 from 27: 27 − 24 = 3.
12 questions · Seed 85 · Age guidance, not curriculum certification