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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: 41 − ____ = 29
2. Find the missing number: 47 − ____ = 26
3. Find the missing number: 50 − ____ = 22
4. Find the missing number: 47 − ____ = 16
5. Find the missing number: 40 − ____ = 30
6. Find the missing number: 61 − ____ = 34
7. Find the missing number: 40 − ____ = 26
8. Find the missing number: 18 − ____ = 13
9. Find the missing number: 51 − ____ = 22
10. Find the missing number: 29 − ____ = 25
11. Find the missing number: 56 − ____ = 32
12. Find the missing number: 21 − ____ = 5
12 questions · Seed 62 · 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: 41 − ____ = 29
12Subtract 29 from 41: 41 − 29 = 12.
2. Find the missing number: 47 − ____ = 26
21Subtract 26 from 47: 47 − 26 = 21.
3. Find the missing number: 50 − ____ = 22
28Subtract 22 from 50: 50 − 22 = 28.
4. Find the missing number: 47 − ____ = 16
31Subtract 16 from 47: 47 − 16 = 31.
5. Find the missing number: 40 − ____ = 30
10Subtract 30 from 40: 40 − 30 = 10.
6. Find the missing number: 61 − ____ = 34
27Subtract 34 from 61: 61 − 34 = 27.
7. Find the missing number: 40 − ____ = 26
14Subtract 26 from 40: 40 − 26 = 14.
8. Find the missing number: 18 − ____ = 13
5Subtract 13 from 18: 18 − 13 = 5.
9. Find the missing number: 51 − ____ = 22
29Subtract 22 from 51: 51 − 22 = 29.
10. Find the missing number: 29 − ____ = 25
4Subtract 25 from 29: 29 − 25 = 4.
11. Find the missing number: 56 − ____ = 32
24Subtract 32 from 56: 56 − 32 = 24.
12. Find the missing number: 21 − ____ = 5
16Subtract 5 from 21: 21 − 5 = 16.
12 questions · Seed 62 · 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: 41 − ____ = 29
2. Find the missing number: 47 − ____ = 26
3. Find the missing number: 50 − ____ = 22
4. Find the missing number: 47 − ____ = 16
5. Find the missing number: 40 − ____ = 30
6. Find the missing number: 61 − ____ = 34
7. Find the missing number: 40 − ____ = 26
8. Find the missing number: 18 − ____ = 13
9. Find the missing number: 51 − ____ = 22
10. Find the missing number: 29 − ____ = 25
11. Find the missing number: 56 − ____ = 32
12. Find the missing number: 21 − ____ = 5
12 questions · Seed 62 · 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: 41 − ____ = 29
12Subtract 29 from 41: 41 − 29 = 12.
2. Find the missing number: 47 − ____ = 26
21Subtract 26 from 47: 47 − 26 = 21.
3. Find the missing number: 50 − ____ = 22
28Subtract 22 from 50: 50 − 22 = 28.
4. Find the missing number: 47 − ____ = 16
31Subtract 16 from 47: 47 − 16 = 31.
5. Find the missing number: 40 − ____ = 30
10Subtract 30 from 40: 40 − 30 = 10.
6. Find the missing number: 61 − ____ = 34
27Subtract 34 from 61: 61 − 34 = 27.
7. Find the missing number: 40 − ____ = 26
14Subtract 26 from 40: 40 − 26 = 14.
8. Find the missing number: 18 − ____ = 13
5Subtract 13 from 18: 18 − 13 = 5.
9. Find the missing number: 51 − ____ = 22
29Subtract 22 from 51: 51 − 22 = 29.
10. Find the missing number: 29 − ____ = 25
4Subtract 25 from 29: 29 − 25 = 4.
11. Find the missing number: 56 − ____ = 32
24Subtract 32 from 56: 56 − 32 = 24.
12. Find the missing number: 21 − ____ = 5
16Subtract 5 from 21: 21 − 5 = 16.
12 questions · Seed 62 · Age guidance, not curriculum certification