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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: 25 − ____ = 11
2. Find the missing number: 42 − ____ = 19
3. Find the missing number: 58 − ____ = 38
4. Find the missing number: 46 − ____ = 11
5. Find the missing number: 17 − ____ = 9
6. Find the missing number: 30 − ____ = 15
7. Find the missing number: 43 − ____ = 25
8. Find the missing number: 35 − ____ = 27
9. Find the missing number: 22 − ____ = 15
10. Find the missing number: 20 − ____ = 10
11. Find the missing number: 31 − ____ = 15
12. Find the missing number: 56 − ____ = 37
12 questions · Seed 104748 · 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: 25 − ____ = 11
14Subtract 11 from 25: 25 − 11 = 14.
2. Find the missing number: 42 − ____ = 19
23Subtract 19 from 42: 42 − 19 = 23.
3. Find the missing number: 58 − ____ = 38
20Subtract 38 from 58: 58 − 38 = 20.
4. Find the missing number: 46 − ____ = 11
35Subtract 11 from 46: 46 − 11 = 35.
5. Find the missing number: 17 − ____ = 9
8Subtract 9 from 17: 17 − 9 = 8.
6. Find the missing number: 30 − ____ = 15
15Subtract 15 from 30: 30 − 15 = 15.
7. Find the missing number: 43 − ____ = 25
18Subtract 25 from 43: 43 − 25 = 18.
8. Find the missing number: 35 − ____ = 27
8Subtract 27 from 35: 35 − 27 = 8.
9. Find the missing number: 22 − ____ = 15
7Subtract 15 from 22: 22 − 15 = 7.
10. Find the missing number: 20 − ____ = 10
10Subtract 10 from 20: 20 − 10 = 10.
11. Find the missing number: 31 − ____ = 15
16Subtract 15 from 31: 31 − 15 = 16.
12. Find the missing number: 56 − ____ = 37
19Subtract 37 from 56: 56 − 37 = 19.
12 questions · Seed 104748 · 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: 25 − ____ = 11
2. Find the missing number: 42 − ____ = 19
3. Find the missing number: 58 − ____ = 38
4. Find the missing number: 46 − ____ = 11
5. Find the missing number: 17 − ____ = 9
6. Find the missing number: 30 − ____ = 15
7. Find the missing number: 43 − ____ = 25
8. Find the missing number: 35 − ____ = 27
9. Find the missing number: 22 − ____ = 15
10. Find the missing number: 20 − ____ = 10
11. Find the missing number: 31 − ____ = 15
12. Find the missing number: 56 − ____ = 37
12 questions · Seed 104748 · 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: 25 − ____ = 11
14Subtract 11 from 25: 25 − 11 = 14.
2. Find the missing number: 42 − ____ = 19
23Subtract 19 from 42: 42 − 19 = 23.
3. Find the missing number: 58 − ____ = 38
20Subtract 38 from 58: 58 − 38 = 20.
4. Find the missing number: 46 − ____ = 11
35Subtract 11 from 46: 46 − 11 = 35.
5. Find the missing number: 17 − ____ = 9
8Subtract 9 from 17: 17 − 9 = 8.
6. Find the missing number: 30 − ____ = 15
15Subtract 15 from 30: 30 − 15 = 15.
7. Find the missing number: 43 − ____ = 25
18Subtract 25 from 43: 43 − 25 = 18.
8. Find the missing number: 35 − ____ = 27
8Subtract 27 from 35: 35 − 27 = 8.
9. Find the missing number: 22 − ____ = 15
7Subtract 15 from 22: 22 − 15 = 7.
10. Find the missing number: 20 − ____ = 10
10Subtract 10 from 20: 20 − 10 = 10.
11. Find the missing number: 31 − ____ = 15
16Subtract 15 from 31: 31 − 15 = 16.
12. Find the missing number: 56 − ____ = 37
19Subtract 37 from 56: 56 − 37 = 19.
12 questions · Seed 104748 · Age guidance, not curriculum certification