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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 7-9
Missing number in subtraction
Take your time. Show your thinking.
1. Find the missing number: 38 − ____ = 19
2. Find the missing number: 54 − ____ = 35
3. Find the missing number: 27 − ____ = 9
4. Find the missing number: 36 − ____ = 31
5. Find the missing number: 50 − ____ = 23
6. Find the missing number: 40 − ____ = 10
7. Find the missing number: 57 − ____ = 30
8. Find the missing number: 60 − ____ = 40
9. Find the missing number: 26 − ____ = 5
10. Find the missing number: 21 − ____ = 7
11. Find the missing number: 21 − ____ = 14
12. Find the missing number: 46 − ____ = 14
12 questions · Seed 104738 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 7-9
Missing number in subtraction
Answers and reasoning. Review before teaching.
1. Find the missing number: 38 − ____ = 19
19Subtract 19 from 38: 38 − 19 = 19.
2. Find the missing number: 54 − ____ = 35
19Subtract 35 from 54: 54 − 35 = 19.
3. Find the missing number: 27 − ____ = 9
18Subtract 9 from 27: 27 − 9 = 18.
4. Find the missing number: 36 − ____ = 31
5Subtract 31 from 36: 36 − 31 = 5.
5. Find the missing number: 50 − ____ = 23
27Subtract 23 from 50: 50 − 23 = 27.
6. Find the missing number: 40 − ____ = 10
30Subtract 10 from 40: 40 − 10 = 30.
7. Find the missing number: 57 − ____ = 30
27Subtract 30 from 57: 57 − 30 = 27.
8. Find the missing number: 60 − ____ = 40
20Subtract 40 from 60: 60 − 40 = 20.
9. Find the missing number: 26 − ____ = 5
21Subtract 5 from 26: 26 − 5 = 21.
10. Find the missing number: 21 − ____ = 7
14Subtract 7 from 21: 21 − 7 = 14.
11. Find the missing number: 21 − ____ = 14
7Subtract 14 from 21: 21 − 14 = 7.
12. Find the missing number: 46 − ____ = 14
32Subtract 14 from 46: 46 − 14 = 32.
12 questions · Seed 104738 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 7-9
Missing number in subtraction
Take your time. Show your thinking.
1. Find the missing number: 38 − ____ = 19
2. Find the missing number: 54 − ____ = 35
3. Find the missing number: 27 − ____ = 9
4. Find the missing number: 36 − ____ = 31
5. Find the missing number: 50 − ____ = 23
6. Find the missing number: 40 − ____ = 10
7. Find the missing number: 57 − ____ = 30
8. Find the missing number: 60 − ____ = 40
9. Find the missing number: 26 − ____ = 5
10. Find the missing number: 21 − ____ = 7
11. Find the missing number: 21 − ____ = 14
12. Find the missing number: 46 − ____ = 14
12 questions · Seed 104738 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 7-9
Missing number in subtraction
Answers and reasoning. Review before teaching.
1. Find the missing number: 38 − ____ = 19
19Subtract 19 from 38: 38 − 19 = 19.
2. Find the missing number: 54 − ____ = 35
19Subtract 35 from 54: 54 − 35 = 19.
3. Find the missing number: 27 − ____ = 9
18Subtract 9 from 27: 27 − 9 = 18.
4. Find the missing number: 36 − ____ = 31
5Subtract 31 from 36: 36 − 31 = 5.
5. Find the missing number: 50 − ____ = 23
27Subtract 23 from 50: 50 − 23 = 27.
6. Find the missing number: 40 − ____ = 10
30Subtract 10 from 40: 40 − 10 = 30.
7. Find the missing number: 57 − ____ = 30
27Subtract 30 from 57: 57 − 30 = 27.
8. Find the missing number: 60 − ____ = 40
20Subtract 40 from 60: 60 − 40 = 20.
9. Find the missing number: 26 − ____ = 5
21Subtract 5 from 26: 26 − 5 = 21.
10. Find the missing number: 21 − ____ = 7
14Subtract 7 from 21: 21 − 7 = 14.
11. Find the missing number: 21 − ____ = 14
7Subtract 14 from 21: 21 − 14 = 7.
12. Find the missing number: 46 − ____ = 14
32Subtract 14 from 46: 46 − 14 = 32.
12 questions · Seed 104738 · Age guidance, not curriculum certification