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: 24 − ____ = 4
2. Find the missing number: 43 − ____ = 22
3. Find the missing number: 27 − ____ = 7
4. Find the missing number: 46 − ____ = 27
5. Find the missing number: 34 − ____ = 7
6. Find the missing number: 45 − ____ = 10
7. Find the missing number: 44 − ____ = 15
8. Find the missing number: 48 − ____ = 29
9. Find the missing number: 53 − ____ = 33
10. Find the missing number: 44 − ____ = 32
11. Find the missing number: 71 − ____ = 38
12. Find the missing number: 63 − ____ = 29
12 questions · Seed 104729 · 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: 24 − ____ = 4
20Subtract 4 from 24: 24 − 4 = 20.
2. Find the missing number: 43 − ____ = 22
21Subtract 22 from 43: 43 − 22 = 21.
3. Find the missing number: 27 − ____ = 7
20Subtract 7 from 27: 27 − 7 = 20.
4. Find the missing number: 46 − ____ = 27
19Subtract 27 from 46: 46 − 27 = 19.
5. Find the missing number: 34 − ____ = 7
27Subtract 7 from 34: 34 − 7 = 27.
6. Find the missing number: 45 − ____ = 10
35Subtract 10 from 45: 45 − 10 = 35.
7. Find the missing number: 44 − ____ = 15
29Subtract 15 from 44: 44 − 15 = 29.
8. Find the missing number: 48 − ____ = 29
19Subtract 29 from 48: 48 − 29 = 19.
9. Find the missing number: 53 − ____ = 33
20Subtract 33 from 53: 53 − 33 = 20.
10. Find the missing number: 44 − ____ = 32
12Subtract 32 from 44: 44 − 32 = 12.
11. Find the missing number: 71 − ____ = 38
33Subtract 38 from 71: 71 − 38 = 33.
12. Find the missing number: 63 − ____ = 29
34Subtract 29 from 63: 63 − 29 = 34.
12 questions · Seed 104729 · 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: 24 − ____ = 4
2. Find the missing number: 43 − ____ = 22
3. Find the missing number: 27 − ____ = 7
4. Find the missing number: 46 − ____ = 27
5. Find the missing number: 34 − ____ = 7
6. Find the missing number: 45 − ____ = 10
7. Find the missing number: 44 − ____ = 15
8. Find the missing number: 48 − ____ = 29
9. Find the missing number: 53 − ____ = 33
10. Find the missing number: 44 − ____ = 32
11. Find the missing number: 71 − ____ = 38
12. Find the missing number: 63 − ____ = 29
12 questions · Seed 104729 · 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: 24 − ____ = 4
20Subtract 4 from 24: 24 − 4 = 20.
2. Find the missing number: 43 − ____ = 22
21Subtract 22 from 43: 43 − 22 = 21.
3. Find the missing number: 27 − ____ = 7
20Subtract 7 from 27: 27 − 7 = 20.
4. Find the missing number: 46 − ____ = 27
19Subtract 27 from 46: 46 − 27 = 19.
5. Find the missing number: 34 − ____ = 7
27Subtract 7 from 34: 34 − 7 = 27.
6. Find the missing number: 45 − ____ = 10
35Subtract 10 from 45: 45 − 10 = 35.
7. Find the missing number: 44 − ____ = 15
29Subtract 15 from 44: 44 − 15 = 29.
8. Find the missing number: 48 − ____ = 29
19Subtract 29 from 48: 48 − 29 = 19.
9. Find the missing number: 53 − ____ = 33
20Subtract 33 from 53: 53 − 33 = 20.
10. Find the missing number: 44 − ____ = 32
12Subtract 32 from 44: 44 − 32 = 12.
11. Find the missing number: 71 − ____ = 38
33Subtract 38 from 71: 71 − 38 = 33.
12. Find the missing number: 63 − ____ = 29
34Subtract 29 from 63: 63 − 29 = 34.
12 questions · Seed 104729 · Age guidance, not curriculum certification