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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: 24 − ____ = 14
2. Find the missing number: 35 − ____ = 25
3. Find the missing number: 18 − ____ = 10
4. Find the missing number: 50 − ____ = 22
5. Find the missing number: 60 − ____ = 29
6. Find the missing number: 70 − ____ = 40
7. Find the missing number: 36 − ____ = 4
8. Find the missing number: 48 − ____ = 15
9. Find the missing number: 39 − ____ = 33
10. Find the missing number: 9 − ____ = 5
11. Find the missing number: 58 − ____ = 32
12. Find the missing number: 35 − ____ = 22
12 questions · Seed 97 · 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: 24 − ____ = 14
10Subtract 14 from 24: 24 − 14 = 10.
2. Find the missing number: 35 − ____ = 25
10Subtract 25 from 35: 35 − 25 = 10.
3. Find the missing number: 18 − ____ = 10
8Subtract 10 from 18: 18 − 10 = 8.
4. Find the missing number: 50 − ____ = 22
28Subtract 22 from 50: 50 − 22 = 28.
5. Find the missing number: 60 − ____ = 29
31Subtract 29 from 60: 60 − 29 = 31.
6. Find the missing number: 70 − ____ = 40
30Subtract 40 from 70: 70 − 40 = 30.
7. Find the missing number: 36 − ____ = 4
32Subtract 4 from 36: 36 − 4 = 32.
8. Find the missing number: 48 − ____ = 15
33Subtract 15 from 48: 48 − 15 = 33.
9. Find the missing number: 39 − ____ = 33
6Subtract 33 from 39: 39 − 33 = 6.
10. Find the missing number: 9 − ____ = 5
4Subtract 5 from 9: 9 − 5 = 4.
11. Find the missing number: 58 − ____ = 32
26Subtract 32 from 58: 58 − 32 = 26.
12. Find the missing number: 35 − ____ = 22
13Subtract 22 from 35: 35 − 22 = 13.
12 questions · Seed 97 · 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: 24 − ____ = 14
2. Find the missing number: 35 − ____ = 25
3. Find the missing number: 18 − ____ = 10
4. Find the missing number: 50 − ____ = 22
5. Find the missing number: 60 − ____ = 29
6. Find the missing number: 70 − ____ = 40
7. Find the missing number: 36 − ____ = 4
8. Find the missing number: 48 − ____ = 15
9. Find the missing number: 39 − ____ = 33
10. Find the missing number: 9 − ____ = 5
11. Find the missing number: 58 − ____ = 32
12. Find the missing number: 35 − ____ = 22
12 questions · Seed 97 · 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: 24 − ____ = 14
10Subtract 14 from 24: 24 − 14 = 10.
2. Find the missing number: 35 − ____ = 25
10Subtract 25 from 35: 35 − 25 = 10.
3. Find the missing number: 18 − ____ = 10
8Subtract 10 from 18: 18 − 10 = 8.
4. Find the missing number: 50 − ____ = 22
28Subtract 22 from 50: 50 − 22 = 28.
5. Find the missing number: 60 − ____ = 29
31Subtract 29 from 60: 60 − 29 = 31.
6. Find the missing number: 70 − ____ = 40
30Subtract 40 from 70: 70 − 40 = 30.
7. Find the missing number: 36 − ____ = 4
32Subtract 4 from 36: 36 − 4 = 32.
8. Find the missing number: 48 − ____ = 15
33Subtract 15 from 48: 48 − 15 = 33.
9. Find the missing number: 39 − ____ = 33
6Subtract 33 from 39: 39 − 33 = 6.
10. Find the missing number: 9 − ____ = 5
4Subtract 5 from 9: 9 − 5 = 4.
11. Find the missing number: 58 − ____ = 32
26Subtract 32 from 58: 58 − 32 = 26.
12. Find the missing number: 35 − ____ = 22
13Subtract 22 from 35: 35 − 22 = 13.
12 questions · Seed 97 · Age guidance, not curriculum certification