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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 10-12
Missing number in subtraction
Take your time. Show your thinking.
1. Find the missing number: 33 − ____ = 10
2. Find the missing number: 67 − ____ = 40
3. Find the missing number: 28 − ____ = 6
4. Find the missing number: 59 − ____ = 40
5. Find the missing number: 37 − ____ = 8
6. Find the missing number: 15 − ____ = 4
7. Find the missing number: 22 − ____ = 12
8. Find the missing number: 50 − ____ = 22
9. Find the missing number: 12 − ____ = 4
10. Find the missing number: 53 − ____ = 31
11. Find the missing number: 57 − ____ = 22
12. Find the missing number: 49 − ____ = 24
12 questions · Seed 104739 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 10-12
Missing number in subtraction
Answers and reasoning. Review before teaching.
1. Find the missing number: 33 − ____ = 10
23Subtract 10 from 33: 33 − 10 = 23.
2. Find the missing number: 67 − ____ = 40
27Subtract 40 from 67: 67 − 40 = 27.
3. Find the missing number: 28 − ____ = 6
22Subtract 6 from 28: 28 − 6 = 22.
4. Find the missing number: 59 − ____ = 40
19Subtract 40 from 59: 59 − 40 = 19.
5. Find the missing number: 37 − ____ = 8
29Subtract 8 from 37: 37 − 8 = 29.
6. Find the missing number: 15 − ____ = 4
11Subtract 4 from 15: 15 − 4 = 11.
7. Find the missing number: 22 − ____ = 12
10Subtract 12 from 22: 22 − 12 = 10.
8. Find the missing number: 50 − ____ = 22
28Subtract 22 from 50: 50 − 22 = 28.
9. Find the missing number: 12 − ____ = 4
8Subtract 4 from 12: 12 − 4 = 8.
10. Find the missing number: 53 − ____ = 31
22Subtract 31 from 53: 53 − 31 = 22.
11. Find the missing number: 57 − ____ = 22
35Subtract 22 from 57: 57 − 22 = 35.
12. Find the missing number: 49 − ____ = 24
25Subtract 24 from 49: 49 − 24 = 25.
12 questions · Seed 104739 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 10-12
Missing number in subtraction
Take your time. Show your thinking.
1. Find the missing number: 33 − ____ = 10
2. Find the missing number: 67 − ____ = 40
3. Find the missing number: 28 − ____ = 6
4. Find the missing number: 59 − ____ = 40
5. Find the missing number: 37 − ____ = 8
6. Find the missing number: 15 − ____ = 4
7. Find the missing number: 22 − ____ = 12
8. Find the missing number: 50 − ____ = 22
9. Find the missing number: 12 − ____ = 4
10. Find the missing number: 53 − ____ = 31
11. Find the missing number: 57 − ____ = 22
12. Find the missing number: 49 − ____ = 24
12 questions · Seed 104739 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 10-12
Missing number in subtraction
Answers and reasoning. Review before teaching.
1. Find the missing number: 33 − ____ = 10
23Subtract 10 from 33: 33 − 10 = 23.
2. Find the missing number: 67 − ____ = 40
27Subtract 40 from 67: 67 − 40 = 27.
3. Find the missing number: 28 − ____ = 6
22Subtract 6 from 28: 28 − 6 = 22.
4. Find the missing number: 59 − ____ = 40
19Subtract 40 from 59: 59 − 40 = 19.
5. Find the missing number: 37 − ____ = 8
29Subtract 8 from 37: 37 − 8 = 29.
6. Find the missing number: 15 − ____ = 4
11Subtract 4 from 15: 15 − 4 = 11.
7. Find the missing number: 22 − ____ = 12
10Subtract 12 from 22: 22 − 12 = 10.
8. Find the missing number: 50 − ____ = 22
28Subtract 22 from 50: 50 − 22 = 28.
9. Find the missing number: 12 − ____ = 4
8Subtract 4 from 12: 12 − 4 = 8.
10. Find the missing number: 53 − ____ = 31
22Subtract 31 from 53: 53 − 31 = 22.
11. Find the missing number: 57 − ____ = 22
35Subtract 22 from 57: 57 − 22 = 35.
12. Find the missing number: 49 − ____ = 24
25Subtract 24 from 49: 49 − 24 = 25.
12 questions · Seed 104739 · Age guidance, not curriculum certification