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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: 42 − ____ = 14
2. Find the missing number: 55 − ____ = 28
3. Find the missing number: 41 − ____ = 22
4. Find the missing number: 33 − ____ = 21
5. Find the missing number: 29 − ____ = 4
6. Find the missing number: 50 − ____ = 39
7. Find the missing number: 51 − ____ = 19
8. Find the missing number: 36 − ____ = 22
9. Find the missing number: 23 − ____ = 4
10. Find the missing number: 58 − ____ = 23
11. Find the missing number: 61 − ____ = 29
12. Find the missing number: 9 − ____ = 5
12 questions · Seed 104755 · 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: 42 − ____ = 14
28Subtract 14 from 42: 42 − 14 = 28.
2. Find the missing number: 55 − ____ = 28
27Subtract 28 from 55: 55 − 28 = 27.
3. Find the missing number: 41 − ____ = 22
19Subtract 22 from 41: 41 − 22 = 19.
4. Find the missing number: 33 − ____ = 21
12Subtract 21 from 33: 33 − 21 = 12.
5. Find the missing number: 29 − ____ = 4
25Subtract 4 from 29: 29 − 4 = 25.
6. Find the missing number: 50 − ____ = 39
11Subtract 39 from 50: 50 − 39 = 11.
7. Find the missing number: 51 − ____ = 19
32Subtract 19 from 51: 51 − 19 = 32.
8. Find the missing number: 36 − ____ = 22
14Subtract 22 from 36: 36 − 22 = 14.
9. Find the missing number: 23 − ____ = 4
19Subtract 4 from 23: 23 − 4 = 19.
10. Find the missing number: 58 − ____ = 23
35Subtract 23 from 58: 58 − 23 = 35.
11. Find the missing number: 61 − ____ = 29
32Subtract 29 from 61: 61 − 29 = 32.
12. Find the missing number: 9 − ____ = 5
4Subtract 5 from 9: 9 − 5 = 4.
12 questions · Seed 104755 · 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: 42 − ____ = 14
2. Find the missing number: 55 − ____ = 28
3. Find the missing number: 41 − ____ = 22
4. Find the missing number: 33 − ____ = 21
5. Find the missing number: 29 − ____ = 4
6. Find the missing number: 50 − ____ = 39
7. Find the missing number: 51 − ____ = 19
8. Find the missing number: 36 − ____ = 22
9. Find the missing number: 23 − ____ = 4
10. Find the missing number: 58 − ____ = 23
11. Find the missing number: 61 − ____ = 29
12. Find the missing number: 9 − ____ = 5
12 questions · Seed 104755 · 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: 42 − ____ = 14
28Subtract 14 from 42: 42 − 14 = 28.
2. Find the missing number: 55 − ____ = 28
27Subtract 28 from 55: 55 − 28 = 27.
3. Find the missing number: 41 − ____ = 22
19Subtract 22 from 41: 41 − 22 = 19.
4. Find the missing number: 33 − ____ = 21
12Subtract 21 from 33: 33 − 21 = 12.
5. Find the missing number: 29 − ____ = 4
25Subtract 4 from 29: 29 − 4 = 25.
6. Find the missing number: 50 − ____ = 39
11Subtract 39 from 50: 50 − 39 = 11.
7. Find the missing number: 51 − ____ = 19
32Subtract 19 from 51: 51 − 19 = 32.
8. Find the missing number: 36 − ____ = 22
14Subtract 22 from 36: 36 − 22 = 14.
9. Find the missing number: 23 − ____ = 4
19Subtract 4 from 23: 23 − 4 = 19.
10. Find the missing number: 58 − ____ = 23
35Subtract 23 from 58: 58 − 23 = 35.
11. Find the missing number: 61 − ____ = 29
32Subtract 29 from 61: 61 − 29 = 32.
12. Find the missing number: 9 − ____ = 5
4Subtract 5 from 9: 9 − 5 = 4.
12 questions · Seed 104755 · Age guidance, not curriculum certification