Back to worksheetsMathsAges 10-12
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: 19 − ____ = 13
2. Find the missing number: 25 − ____ = 11
3. Find the missing number: 20 − ____ = 13
4. Find the missing number: 36 − ____ = 29
5. Find the missing number: 47 − ____ = 12
6. Find the missing number: 57 − ____ = 22
7. Find the missing number: 38 − ____ = 7
8. Find the missing number: 58 − ____ = 28
9. Find the missing number: 14 − ____ = 10
10. Find the missing number: 50 − ____ = 18
11. Find the missing number: 30 − ____ = 10
12. Find the missing number: 27 − ____ = 15
12 questions · Seed 105 · 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: 19 − ____ = 13
6Subtract 13 from 19: 19 − 13 = 6.
2. Find the missing number: 25 − ____ = 11
14Subtract 11 from 25: 25 − 11 = 14.
3. Find the missing number: 20 − ____ = 13
7Subtract 13 from 20: 20 − 13 = 7.
4. Find the missing number: 36 − ____ = 29
7Subtract 29 from 36: 36 − 29 = 7.
5. Find the missing number: 47 − ____ = 12
35Subtract 12 from 47: 47 − 12 = 35.
6. Find the missing number: 57 − ____ = 22
35Subtract 22 from 57: 57 − 22 = 35.
7. Find the missing number: 38 − ____ = 7
31Subtract 7 from 38: 38 − 7 = 31.
8. Find the missing number: 58 − ____ = 28
30Subtract 28 from 58: 58 − 28 = 30.
9. Find the missing number: 14 − ____ = 10
4Subtract 10 from 14: 14 − 10 = 4.
10. Find the missing number: 50 − ____ = 18
32Subtract 18 from 50: 50 − 18 = 32.
11. Find the missing number: 30 − ____ = 10
20Subtract 10 from 30: 30 − 10 = 20.
12. Find the missing number: 27 − ____ = 15
12Subtract 15 from 27: 27 − 15 = 12.
12 questions · Seed 105 · 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: 19 − ____ = 13
2. Find the missing number: 25 − ____ = 11
3. Find the missing number: 20 − ____ = 13
4. Find the missing number: 36 − ____ = 29
5. Find the missing number: 47 − ____ = 12
6. Find the missing number: 57 − ____ = 22
7. Find the missing number: 38 − ____ = 7
8. Find the missing number: 58 − ____ = 28
9. Find the missing number: 14 − ____ = 10
10. Find the missing number: 50 − ____ = 18
11. Find the missing number: 30 − ____ = 10
12. Find the missing number: 27 − ____ = 15
12 questions · Seed 105 · 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: 19 − ____ = 13
6Subtract 13 from 19: 19 − 13 = 6.
2. Find the missing number: 25 − ____ = 11
14Subtract 11 from 25: 25 − 11 = 14.
3. Find the missing number: 20 − ____ = 13
7Subtract 13 from 20: 20 − 13 = 7.
4. Find the missing number: 36 − ____ = 29
7Subtract 29 from 36: 36 − 29 = 7.
5. Find the missing number: 47 − ____ = 12
35Subtract 12 from 47: 47 − 12 = 35.
6. Find the missing number: 57 − ____ = 22
35Subtract 22 from 57: 57 − 22 = 35.
7. Find the missing number: 38 − ____ = 7
31Subtract 7 from 38: 38 − 7 = 31.
8. Find the missing number: 58 − ____ = 28
30Subtract 28 from 58: 58 − 28 = 30.
9. Find the missing number: 14 − ____ = 10
4Subtract 10 from 14: 14 − 10 = 4.
10. Find the missing number: 50 − ____ = 18
32Subtract 18 from 50: 50 − 18 = 32.
11. Find the missing number: 30 − ____ = 10
20Subtract 10 from 30: 30 − 10 = 20.
12. Find the missing number: 27 − ____ = 15
12Subtract 15 from 27: 27 − 15 = 12.
12 questions · Seed 105 · Age guidance, not curriculum certification