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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: 64 − ____ = 32
2. Find the missing number: 50 − ____ = 32
3. Find the missing number: 29 − ____ = 18
4. Find the missing number: 46 − ____ = 34
5. Find the missing number: 43 − ____ = 11
6. Find the missing number: 19 − ____ = 8
7. Find the missing number: 43 − ____ = 25
8. Find the missing number: 51 − ____ = 39
9. Find the missing number: 13 − ____ = 10
10. Find the missing number: 44 − ____ = 38
11. Find the missing number: 44 − ____ = 27
12. Find the missing number: 63 − ____ = 33
12 questions · Seed 104767 · 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: 64 − ____ = 32
32Subtract 32 from 64: 64 − 32 = 32.
2. Find the missing number: 50 − ____ = 32
18Subtract 32 from 50: 50 − 32 = 18.
3. Find the missing number: 29 − ____ = 18
11Subtract 18 from 29: 29 − 18 = 11.
4. Find the missing number: 46 − ____ = 34
12Subtract 34 from 46: 46 − 34 = 12.
5. Find the missing number: 43 − ____ = 11
32Subtract 11 from 43: 43 − 11 = 32.
6. Find the missing number: 19 − ____ = 8
11Subtract 8 from 19: 19 − 8 = 11.
7. Find the missing number: 43 − ____ = 25
18Subtract 25 from 43: 43 − 25 = 18.
8. Find the missing number: 51 − ____ = 39
12Subtract 39 from 51: 51 − 39 = 12.
9. Find the missing number: 13 − ____ = 10
3Subtract 10 from 13: 13 − 10 = 3.
10. Find the missing number: 44 − ____ = 38
6Subtract 38 from 44: 44 − 38 = 6.
11. Find the missing number: 44 − ____ = 27
17Subtract 27 from 44: 44 − 27 = 17.
12. Find the missing number: 63 − ____ = 33
30Subtract 33 from 63: 63 − 33 = 30.
12 questions · Seed 104767 · 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: 64 − ____ = 32
2. Find the missing number: 50 − ____ = 32
3. Find the missing number: 29 − ____ = 18
4. Find the missing number: 46 − ____ = 34
5. Find the missing number: 43 − ____ = 11
6. Find the missing number: 19 − ____ = 8
7. Find the missing number: 43 − ____ = 25
8. Find the missing number: 51 − ____ = 39
9. Find the missing number: 13 − ____ = 10
10. Find the missing number: 44 − ____ = 38
11. Find the missing number: 44 − ____ = 27
12. Find the missing number: 63 − ____ = 33
12 questions · Seed 104767 · 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: 64 − ____ = 32
32Subtract 32 from 64: 64 − 32 = 32.
2. Find the missing number: 50 − ____ = 32
18Subtract 32 from 50: 50 − 32 = 18.
3. Find the missing number: 29 − ____ = 18
11Subtract 18 from 29: 29 − 18 = 11.
4. Find the missing number: 46 − ____ = 34
12Subtract 34 from 46: 46 − 34 = 12.
5. Find the missing number: 43 − ____ = 11
32Subtract 11 from 43: 43 − 11 = 32.
6. Find the missing number: 19 − ____ = 8
11Subtract 8 from 19: 19 − 8 = 11.
7. Find the missing number: 43 − ____ = 25
18Subtract 25 from 43: 43 − 25 = 18.
8. Find the missing number: 51 − ____ = 39
12Subtract 39 from 51: 51 − 39 = 12.
9. Find the missing number: 13 − ____ = 10
3Subtract 10 from 13: 13 − 10 = 3.
10. Find the missing number: 44 − ____ = 38
6Subtract 38 from 44: 44 − 38 = 6.
11. Find the missing number: 44 − ____ = 27
17Subtract 27 from 44: 44 − 27 = 17.
12. Find the missing number: 63 − ____ = 33
30Subtract 33 from 63: 63 − 33 = 30.
12 questions · Seed 104767 · Age guidance, not curriculum certification