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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: 46 − ____ = 24
2. Find the missing number: 34 − ____ = 15
3. Find the missing number: 32 − ____ = 4
4. Find the missing number: 32 − ____ = 10
5. Find the missing number: 56 − ____ = 26
6. Find the missing number: 32 − ____ = 26
7. Find the missing number: 36 − ____ = 33
8. Find the missing number: 50 − ____ = 40
9. Find the missing number: 27 − ____ = 22
10. Find the missing number: 25 − ____ = 21
11. Find the missing number: 45 − ____ = 38
12. Find the missing number: 50 − ____ = 28
12 questions · Seed 101 · 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: 46 − ____ = 24
22Subtract 24 from 46: 46 − 24 = 22.
2. Find the missing number: 34 − ____ = 15
19Subtract 15 from 34: 34 − 15 = 19.
3. Find the missing number: 32 − ____ = 4
28Subtract 4 from 32: 32 − 4 = 28.
4. Find the missing number: 32 − ____ = 10
22Subtract 10 from 32: 32 − 10 = 22.
5. Find the missing number: 56 − ____ = 26
30Subtract 26 from 56: 56 − 26 = 30.
6. Find the missing number: 32 − ____ = 26
6Subtract 26 from 32: 32 − 26 = 6.
7. Find the missing number: 36 − ____ = 33
3Subtract 33 from 36: 36 − 33 = 3.
8. Find the missing number: 50 − ____ = 40
10Subtract 40 from 50: 50 − 40 = 10.
9. Find the missing number: 27 − ____ = 22
5Subtract 22 from 27: 27 − 22 = 5.
10. Find the missing number: 25 − ____ = 21
4Subtract 21 from 25: 25 − 21 = 4.
11. Find the missing number: 45 − ____ = 38
7Subtract 38 from 45: 45 − 38 = 7.
12. Find the missing number: 50 − ____ = 28
22Subtract 28 from 50: 50 − 28 = 22.
12 questions · Seed 101 · 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: 46 − ____ = 24
2. Find the missing number: 34 − ____ = 15
3. Find the missing number: 32 − ____ = 4
4. Find the missing number: 32 − ____ = 10
5. Find the missing number: 56 − ____ = 26
6. Find the missing number: 32 − ____ = 26
7. Find the missing number: 36 − ____ = 33
8. Find the missing number: 50 − ____ = 40
9. Find the missing number: 27 − ____ = 22
10. Find the missing number: 25 − ____ = 21
11. Find the missing number: 45 − ____ = 38
12. Find the missing number: 50 − ____ = 28
12 questions · Seed 101 · 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: 46 − ____ = 24
22Subtract 24 from 46: 46 − 24 = 22.
2. Find the missing number: 34 − ____ = 15
19Subtract 15 from 34: 34 − 15 = 19.
3. Find the missing number: 32 − ____ = 4
28Subtract 4 from 32: 32 − 4 = 28.
4. Find the missing number: 32 − ____ = 10
22Subtract 10 from 32: 32 − 10 = 22.
5. Find the missing number: 56 − ____ = 26
30Subtract 26 from 56: 56 − 26 = 30.
6. Find the missing number: 32 − ____ = 26
6Subtract 26 from 32: 32 − 26 = 6.
7. Find the missing number: 36 − ____ = 33
3Subtract 33 from 36: 36 − 33 = 3.
8. Find the missing number: 50 − ____ = 40
10Subtract 40 from 50: 50 − 40 = 10.
9. Find the missing number: 27 − ____ = 22
5Subtract 22 from 27: 27 − 22 = 5.
10. Find the missing number: 25 − ____ = 21
4Subtract 21 from 25: 25 − 21 = 4.
11. Find the missing number: 45 − ____ = 38
7Subtract 38 from 45: 45 − 38 = 7.
12. Find the missing number: 50 − ____ = 28
22Subtract 28 from 50: 50 − 28 = 22.
12 questions · Seed 101 · Age guidance, not curriculum certification