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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: 39 − ____ = 25
2. Find the missing number: 57 − ____ = 38
3. Find the missing number: 58 − ____ = 36
4. Find the missing number: 42 − ____ = 16
5. Find the missing number: 48 − ____ = 14
6. Find the missing number: 15 − ____ = 9
7. Find the missing number: 47 − ____ = 22
8. Find the missing number: 15 − ____ = 4
9. Find the missing number: 22 − ____ = 7
10. Find the missing number: 51 − ____ = 22
11. Find the missing number: 49 − ____ = 36
12. Find the missing number: 33 − ____ = 27
12 questions · Seed 104770 · 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: 39 − ____ = 25
14Subtract 25 from 39: 39 − 25 = 14.
2. Find the missing number: 57 − ____ = 38
19Subtract 38 from 57: 57 − 38 = 19.
3. Find the missing number: 58 − ____ = 36
22Subtract 36 from 58: 58 − 36 = 22.
4. Find the missing number: 42 − ____ = 16
26Subtract 16 from 42: 42 − 16 = 26.
5. Find the missing number: 48 − ____ = 14
34Subtract 14 from 48: 48 − 14 = 34.
6. Find the missing number: 15 − ____ = 9
6Subtract 9 from 15: 15 − 9 = 6.
7. Find the missing number: 47 − ____ = 22
25Subtract 22 from 47: 47 − 22 = 25.
8. Find the missing number: 15 − ____ = 4
11Subtract 4 from 15: 15 − 4 = 11.
9. Find the missing number: 22 − ____ = 7
15Subtract 7 from 22: 22 − 7 = 15.
10. Find the missing number: 51 − ____ = 22
29Subtract 22 from 51: 51 − 22 = 29.
11. Find the missing number: 49 − ____ = 36
13Subtract 36 from 49: 49 − 36 = 13.
12. Find the missing number: 33 − ____ = 27
6Subtract 27 from 33: 33 − 27 = 6.
12 questions · Seed 104770 · 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: 39 − ____ = 25
2. Find the missing number: 57 − ____ = 38
3. Find the missing number: 58 − ____ = 36
4. Find the missing number: 42 − ____ = 16
5. Find the missing number: 48 − ____ = 14
6. Find the missing number: 15 − ____ = 9
7. Find the missing number: 47 − ____ = 22
8. Find the missing number: 15 − ____ = 4
9. Find the missing number: 22 − ____ = 7
10. Find the missing number: 51 − ____ = 22
11. Find the missing number: 49 − ____ = 36
12. Find the missing number: 33 − ____ = 27
12 questions · Seed 104770 · 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: 39 − ____ = 25
14Subtract 25 from 39: 39 − 25 = 14.
2. Find the missing number: 57 − ____ = 38
19Subtract 38 from 57: 57 − 38 = 19.
3. Find the missing number: 58 − ____ = 36
22Subtract 36 from 58: 58 − 36 = 22.
4. Find the missing number: 42 − ____ = 16
26Subtract 16 from 42: 42 − 16 = 26.
5. Find the missing number: 48 − ____ = 14
34Subtract 14 from 48: 48 − 14 = 34.
6. Find the missing number: 15 − ____ = 9
6Subtract 9 from 15: 15 − 9 = 6.
7. Find the missing number: 47 − ____ = 22
25Subtract 22 from 47: 47 − 22 = 25.
8. Find the missing number: 15 − ____ = 4
11Subtract 4 from 15: 15 − 4 = 11.
9. Find the missing number: 22 − ____ = 7
15Subtract 7 from 22: 22 − 7 = 15.
10. Find the missing number: 51 − ____ = 22
29Subtract 22 from 51: 51 − 22 = 29.
11. Find the missing number: 49 − ____ = 36
13Subtract 36 from 49: 49 − 36 = 13.
12. Find the missing number: 33 − ____ = 27
6Subtract 27 from 33: 33 − 27 = 6.
12 questions · Seed 104770 · Age guidance, not curriculum certification