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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: 32 − ____ = 4
2. Find the missing number: 23 − ____ = 16
3. Find the missing number: 57 − ____ = 34
4. Find the missing number: 48 − ____ = 16
5. Find the missing number: 73 − ____ = 40
6. Find the missing number: 18 − ____ = 8
7. Find the missing number: 38 − ____ = 6
8. Find the missing number: 21 − ____ = 14
9. Find the missing number: 31 − ____ = 4
10. Find the missing number: 48 − ____ = 21
11. Find the missing number: 46 − ____ = 16
12. Find the missing number: 34 − ____ = 26
12 questions · Seed 83 · 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: 32 − ____ = 4
28Subtract 4 from 32: 32 − 4 = 28.
2. Find the missing number: 23 − ____ = 16
7Subtract 16 from 23: 23 − 16 = 7.
3. Find the missing number: 57 − ____ = 34
23Subtract 34 from 57: 57 − 34 = 23.
4. Find the missing number: 48 − ____ = 16
32Subtract 16 from 48: 48 − 16 = 32.
5. Find the missing number: 73 − ____ = 40
33Subtract 40 from 73: 73 − 40 = 33.
6. Find the missing number: 18 − ____ = 8
10Subtract 8 from 18: 18 − 8 = 10.
7. Find the missing number: 38 − ____ = 6
32Subtract 6 from 38: 38 − 6 = 32.
8. Find the missing number: 21 − ____ = 14
7Subtract 14 from 21: 21 − 14 = 7.
9. Find the missing number: 31 − ____ = 4
27Subtract 4 from 31: 31 − 4 = 27.
10. Find the missing number: 48 − ____ = 21
27Subtract 21 from 48: 48 − 21 = 27.
11. Find the missing number: 46 − ____ = 16
30Subtract 16 from 46: 46 − 16 = 30.
12. Find the missing number: 34 − ____ = 26
8Subtract 26 from 34: 34 − 26 = 8.
12 questions · Seed 83 · 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: 32 − ____ = 4
2. Find the missing number: 23 − ____ = 16
3. Find the missing number: 57 − ____ = 34
4. Find the missing number: 48 − ____ = 16
5. Find the missing number: 73 − ____ = 40
6. Find the missing number: 18 − ____ = 8
7. Find the missing number: 38 − ____ = 6
8. Find the missing number: 21 − ____ = 14
9. Find the missing number: 31 − ____ = 4
10. Find the missing number: 48 − ____ = 21
11. Find the missing number: 46 − ____ = 16
12. Find the missing number: 34 − ____ = 26
12 questions · Seed 83 · 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: 32 − ____ = 4
28Subtract 4 from 32: 32 − 4 = 28.
2. Find the missing number: 23 − ____ = 16
7Subtract 16 from 23: 23 − 16 = 7.
3. Find the missing number: 57 − ____ = 34
23Subtract 34 from 57: 57 − 34 = 23.
4. Find the missing number: 48 − ____ = 16
32Subtract 16 from 48: 48 − 16 = 32.
5. Find the missing number: 73 − ____ = 40
33Subtract 40 from 73: 73 − 40 = 33.
6. Find the missing number: 18 − ____ = 8
10Subtract 8 from 18: 18 − 8 = 10.
7. Find the missing number: 38 − ____ = 6
32Subtract 6 from 38: 38 − 6 = 32.
8. Find the missing number: 21 − ____ = 14
7Subtract 14 from 21: 21 − 14 = 7.
9. Find the missing number: 31 − ____ = 4
27Subtract 4 from 31: 31 − 4 = 27.
10. Find the missing number: 48 − ____ = 21
27Subtract 21 from 48: 48 − 21 = 27.
11. Find the missing number: 46 − ____ = 16
30Subtract 16 from 46: 46 − 16 = 30.
12. Find the missing number: 34 − ____ = 26
8Subtract 26 from 34: 34 − 26 = 8.
12 questions · Seed 83 · Age guidance, not curriculum certification