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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: 68 − ____ = 35
2. Find the missing number: 46 − ____ = 38
3. Find the missing number: 55 − ____ = 23
4. Find the missing number: 36 − ____ = 27
5. Find the missing number: 53 − ____ = 32
6. Find the missing number: 27 − ____ = 11
7. Find the missing number: 46 − ____ = 31
8. Find the missing number: 58 − ____ = 23
9. Find the missing number: 21 − ____ = 9
10. Find the missing number: 61 − ____ = 35
11. Find the missing number: 59 − ____ = 29
12. Find the missing number: 47 − ____ = 19
12 questions · Seed 95 · 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: 68 − ____ = 35
33Subtract 35 from 68: 68 − 35 = 33.
2. Find the missing number: 46 − ____ = 38
8Subtract 38 from 46: 46 − 38 = 8.
3. Find the missing number: 55 − ____ = 23
32Subtract 23 from 55: 55 − 23 = 32.
4. Find the missing number: 36 − ____ = 27
9Subtract 27 from 36: 36 − 27 = 9.
5. Find the missing number: 53 − ____ = 32
21Subtract 32 from 53: 53 − 32 = 21.
6. Find the missing number: 27 − ____ = 11
16Subtract 11 from 27: 27 − 11 = 16.
7. Find the missing number: 46 − ____ = 31
15Subtract 31 from 46: 46 − 31 = 15.
8. Find the missing number: 58 − ____ = 23
35Subtract 23 from 58: 58 − 23 = 35.
9. Find the missing number: 21 − ____ = 9
12Subtract 9 from 21: 21 − 9 = 12.
10. Find the missing number: 61 − ____ = 35
26Subtract 35 from 61: 61 − 35 = 26.
11. Find the missing number: 59 − ____ = 29
30Subtract 29 from 59: 59 − 29 = 30.
12. Find the missing number: 47 − ____ = 19
28Subtract 19 from 47: 47 − 19 = 28.
12 questions · Seed 95 · 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: 68 − ____ = 35
2. Find the missing number: 46 − ____ = 38
3. Find the missing number: 55 − ____ = 23
4. Find the missing number: 36 − ____ = 27
5. Find the missing number: 53 − ____ = 32
6. Find the missing number: 27 − ____ = 11
7. Find the missing number: 46 − ____ = 31
8. Find the missing number: 58 − ____ = 23
9. Find the missing number: 21 − ____ = 9
10. Find the missing number: 61 − ____ = 35
11. Find the missing number: 59 − ____ = 29
12. Find the missing number: 47 − ____ = 19
12 questions · Seed 95 · 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: 68 − ____ = 35
33Subtract 35 from 68: 68 − 35 = 33.
2. Find the missing number: 46 − ____ = 38
8Subtract 38 from 46: 46 − 38 = 8.
3. Find the missing number: 55 − ____ = 23
32Subtract 23 from 55: 55 − 23 = 32.
4. Find the missing number: 36 − ____ = 27
9Subtract 27 from 36: 36 − 27 = 9.
5. Find the missing number: 53 − ____ = 32
21Subtract 32 from 53: 53 − 32 = 21.
6. Find the missing number: 27 − ____ = 11
16Subtract 11 from 27: 27 − 11 = 16.
7. Find the missing number: 46 − ____ = 31
15Subtract 31 from 46: 46 − 31 = 15.
8. Find the missing number: 58 − ____ = 23
35Subtract 23 from 58: 58 − 23 = 35.
9. Find the missing number: 21 − ____ = 9
12Subtract 9 from 21: 21 − 9 = 12.
10. Find the missing number: 61 − ____ = 35
26Subtract 35 from 61: 61 − 35 = 26.
11. Find the missing number: 59 − ____ = 29
30Subtract 29 from 59: 59 − 29 = 30.
12. Find the missing number: 47 − ____ = 19
28Subtract 19 from 47: 47 − 19 = 28.
12 questions · Seed 95 · Age guidance, not curriculum certification