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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: 49 − ____ = 33
2. Find the missing number: 50 − ____ = 37
3. Find the missing number: 10 − ____ = 6
4. Find the missing number: 62 − ____ = 34
5. Find the missing number: 48 − ____ = 34
6. Find the missing number: 40 − ____ = 29
7. Find the missing number: 33 − ____ = 28
8. Find the missing number: 50 − ____ = 23
9. Find the missing number: 25 − ____ = 14
10. Find the missing number: 28 − ____ = 13
11. Find the missing number: 57 − ____ = 32
12. Find the missing number: 46 − ____ = 11
12 questions · Seed 54 · 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: 49 − ____ = 33
16Subtract 33 from 49: 49 − 33 = 16.
2. Find the missing number: 50 − ____ = 37
13Subtract 37 from 50: 50 − 37 = 13.
3. Find the missing number: 10 − ____ = 6
4Subtract 6 from 10: 10 − 6 = 4.
4. Find the missing number: 62 − ____ = 34
28Subtract 34 from 62: 62 − 34 = 28.
5. Find the missing number: 48 − ____ = 34
14Subtract 34 from 48: 48 − 34 = 14.
6. Find the missing number: 40 − ____ = 29
11Subtract 29 from 40: 40 − 29 = 11.
7. Find the missing number: 33 − ____ = 28
5Subtract 28 from 33: 33 − 28 = 5.
8. Find the missing number: 50 − ____ = 23
27Subtract 23 from 50: 50 − 23 = 27.
9. Find the missing number: 25 − ____ = 14
11Subtract 14 from 25: 25 − 14 = 11.
10. Find the missing number: 28 − ____ = 13
15Subtract 13 from 28: 28 − 13 = 15.
11. Find the missing number: 57 − ____ = 32
25Subtract 32 from 57: 57 − 32 = 25.
12. Find the missing number: 46 − ____ = 11
35Subtract 11 from 46: 46 − 11 = 35.
12 questions · Seed 54 · 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: 49 − ____ = 33
2. Find the missing number: 50 − ____ = 37
3. Find the missing number: 10 − ____ = 6
4. Find the missing number: 62 − ____ = 34
5. Find the missing number: 48 − ____ = 34
6. Find the missing number: 40 − ____ = 29
7. Find the missing number: 33 − ____ = 28
8. Find the missing number: 50 − ____ = 23
9. Find the missing number: 25 − ____ = 14
10. Find the missing number: 28 − ____ = 13
11. Find the missing number: 57 − ____ = 32
12. Find the missing number: 46 − ____ = 11
12 questions · Seed 54 · 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: 49 − ____ = 33
16Subtract 33 from 49: 49 − 33 = 16.
2. Find the missing number: 50 − ____ = 37
13Subtract 37 from 50: 50 − 37 = 13.
3. Find the missing number: 10 − ____ = 6
4Subtract 6 from 10: 10 − 6 = 4.
4. Find the missing number: 62 − ____ = 34
28Subtract 34 from 62: 62 − 34 = 28.
5. Find the missing number: 48 − ____ = 34
14Subtract 34 from 48: 48 − 34 = 14.
6. Find the missing number: 40 − ____ = 29
11Subtract 29 from 40: 40 − 29 = 11.
7. Find the missing number: 33 − ____ = 28
5Subtract 28 from 33: 33 − 28 = 5.
8. Find the missing number: 50 − ____ = 23
27Subtract 23 from 50: 50 − 23 = 27.
9. Find the missing number: 25 − ____ = 14
11Subtract 14 from 25: 25 − 14 = 11.
10. Find the missing number: 28 − ____ = 13
15Subtract 13 from 28: 28 − 13 = 15.
11. Find the missing number: 57 − ____ = 32
25Subtract 32 from 57: 57 − 32 = 25.
12. Find the missing number: 46 − ____ = 11
35Subtract 11 from 46: 46 − 11 = 35.
12 questions · Seed 54 · Age guidance, not curriculum certification