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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: 49 − ____ = 26
2. Find the missing number: 57 − ____ = 36
3. Find the missing number: 60 − ____ = 26
4. Find the missing number: 41 − ____ = 8
5. Find the missing number: 44 − ____ = 18
6. Find the missing number: 69 − ____ = 35
7. Find the missing number: 40 − ____ = 21
8. Find the missing number: 41 − ____ = 22
9. Find the missing number: 52 − ____ = 27
10. Find the missing number: 49 − ____ = 32
11. Find the missing number: 36 − ____ = 15
12. Find the missing number: 30 − ____ = 16
12 questions · Seed 90 · 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: 49 − ____ = 26
23Subtract 26 from 49: 49 − 26 = 23.
2. Find the missing number: 57 − ____ = 36
21Subtract 36 from 57: 57 − 36 = 21.
3. Find the missing number: 60 − ____ = 26
34Subtract 26 from 60: 60 − 26 = 34.
4. Find the missing number: 41 − ____ = 8
33Subtract 8 from 41: 41 − 8 = 33.
5. Find the missing number: 44 − ____ = 18
26Subtract 18 from 44: 44 − 18 = 26.
6. Find the missing number: 69 − ____ = 35
34Subtract 35 from 69: 69 − 35 = 34.
7. Find the missing number: 40 − ____ = 21
19Subtract 21 from 40: 40 − 21 = 19.
8. Find the missing number: 41 − ____ = 22
19Subtract 22 from 41: 41 − 22 = 19.
9. Find the missing number: 52 − ____ = 27
25Subtract 27 from 52: 52 − 27 = 25.
10. Find the missing number: 49 − ____ = 32
17Subtract 32 from 49: 49 − 32 = 17.
11. Find the missing number: 36 − ____ = 15
21Subtract 15 from 36: 36 − 15 = 21.
12. Find the missing number: 30 − ____ = 16
14Subtract 16 from 30: 30 − 16 = 14.
12 questions · Seed 90 · 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: 49 − ____ = 26
2. Find the missing number: 57 − ____ = 36
3. Find the missing number: 60 − ____ = 26
4. Find the missing number: 41 − ____ = 8
5. Find the missing number: 44 − ____ = 18
6. Find the missing number: 69 − ____ = 35
7. Find the missing number: 40 − ____ = 21
8. Find the missing number: 41 − ____ = 22
9. Find the missing number: 52 − ____ = 27
10. Find the missing number: 49 − ____ = 32
11. Find the missing number: 36 − ____ = 15
12. Find the missing number: 30 − ____ = 16
12 questions · Seed 90 · 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: 49 − ____ = 26
23Subtract 26 from 49: 49 − 26 = 23.
2. Find the missing number: 57 − ____ = 36
21Subtract 36 from 57: 57 − 36 = 21.
3. Find the missing number: 60 − ____ = 26
34Subtract 26 from 60: 60 − 26 = 34.
4. Find the missing number: 41 − ____ = 8
33Subtract 8 from 41: 41 − 8 = 33.
5. Find the missing number: 44 − ____ = 18
26Subtract 18 from 44: 44 − 18 = 26.
6. Find the missing number: 69 − ____ = 35
34Subtract 35 from 69: 69 − 35 = 34.
7. Find the missing number: 40 − ____ = 21
19Subtract 21 from 40: 40 − 21 = 19.
8. Find the missing number: 41 − ____ = 22
19Subtract 22 from 41: 41 − 22 = 19.
9. Find the missing number: 52 − ____ = 27
25Subtract 27 from 52: 52 − 27 = 25.
10. Find the missing number: 49 − ____ = 32
17Subtract 32 from 49: 49 − 32 = 17.
11. Find the missing number: 36 − ____ = 15
21Subtract 15 from 36: 36 − 15 = 21.
12. Find the missing number: 30 − ____ = 16
14Subtract 16 from 30: 30 − 16 = 14.
12 questions · Seed 90 · Age guidance, not curriculum certification