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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: 67 − ____ = 39
2. Find the missing number: 48 − ____ = 22
3. Find the missing number: 47 − ____ = 23
4. Find the missing number: 19 − ____ = 10
5. Find the missing number: 43 − ____ = 30
6. Find the missing number: 39 − ____ = 26
7. Find the missing number: 29 − ____ = 25
8. Find the missing number: 42 − ____ = 37
9. Find the missing number: 13 − ____ = 8
10. Find the missing number: 21 − ____ = 16
11. Find the missing number: 50 − ____ = 23
12. Find the missing number: 17 − ____ = 13
12 questions · Seed 104737 · 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: 67 − ____ = 39
28Subtract 39 from 67: 67 − 39 = 28.
2. Find the missing number: 48 − ____ = 22
26Subtract 22 from 48: 48 − 22 = 26.
3. Find the missing number: 47 − ____ = 23
24Subtract 23 from 47: 47 − 23 = 24.
4. Find the missing number: 19 − ____ = 10
9Subtract 10 from 19: 19 − 10 = 9.
5. Find the missing number: 43 − ____ = 30
13Subtract 30 from 43: 43 − 30 = 13.
6. Find the missing number: 39 − ____ = 26
13Subtract 26 from 39: 39 − 26 = 13.
7. Find the missing number: 29 − ____ = 25
4Subtract 25 from 29: 29 − 25 = 4.
8. Find the missing number: 42 − ____ = 37
5Subtract 37 from 42: 42 − 37 = 5.
9. Find the missing number: 13 − ____ = 8
5Subtract 8 from 13: 13 − 8 = 5.
10. Find the missing number: 21 − ____ = 16
5Subtract 16 from 21: 21 − 16 = 5.
11. Find the missing number: 50 − ____ = 23
27Subtract 23 from 50: 50 − 23 = 27.
12. Find the missing number: 17 − ____ = 13
4Subtract 13 from 17: 17 − 13 = 4.
12 questions · Seed 104737 · 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: 67 − ____ = 39
2. Find the missing number: 48 − ____ = 22
3. Find the missing number: 47 − ____ = 23
4. Find the missing number: 19 − ____ = 10
5. Find the missing number: 43 − ____ = 30
6. Find the missing number: 39 − ____ = 26
7. Find the missing number: 29 − ____ = 25
8. Find the missing number: 42 − ____ = 37
9. Find the missing number: 13 − ____ = 8
10. Find the missing number: 21 − ____ = 16
11. Find the missing number: 50 − ____ = 23
12. Find the missing number: 17 − ____ = 13
12 questions · Seed 104737 · 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: 67 − ____ = 39
28Subtract 39 from 67: 67 − 39 = 28.
2. Find the missing number: 48 − ____ = 22
26Subtract 22 from 48: 48 − 22 = 26.
3. Find the missing number: 47 − ____ = 23
24Subtract 23 from 47: 47 − 23 = 24.
4. Find the missing number: 19 − ____ = 10
9Subtract 10 from 19: 19 − 10 = 9.
5. Find the missing number: 43 − ____ = 30
13Subtract 30 from 43: 43 − 30 = 13.
6. Find the missing number: 39 − ____ = 26
13Subtract 26 from 39: 39 − 26 = 13.
7. Find the missing number: 29 − ____ = 25
4Subtract 25 from 29: 29 − 25 = 4.
8. Find the missing number: 42 − ____ = 37
5Subtract 37 from 42: 42 − 37 = 5.
9. Find the missing number: 13 − ____ = 8
5Subtract 8 from 13: 13 − 8 = 5.
10. Find the missing number: 21 − ____ = 16
5Subtract 16 from 21: 21 − 16 = 5.
11. Find the missing number: 50 − ____ = 23
27Subtract 23 from 50: 50 − 23 = 27.
12. Find the missing number: 17 − ____ = 13
4Subtract 13 from 17: 17 − 13 = 4.
12 questions · Seed 104737 · Age guidance, not curriculum certification