Class 1 Maths Worksheet: Subtraction

Maths worksheets lesson 4: Subtraction up to 20 · Set 286 · 40 sums

The method (Count back): Start at the bigger number. Count back the number you take away. How many more or how many left = bigger number − smaller number. Check by adding back: answer + number taken away = the first number.

1. 1.There are 18 children and 5 chairs. How many more children than chairs are there?
2. 2.What is 10 less than 20?
3. 3.Riya had 8 bananas and gave 4 to a friend. How many bananas does Riya have left?
4. 4.18 − ? = 1
5. 5.20 − 14 =
6. 6.? − 1 = 5
7. 7.Ishaan had 10 laddoos and gave 6 to a friend. How many laddoos does Ishaan have left?
8. 8.15 − 4 =
9. 9.What is 3 less than 15?
10. 10.8 − ? = 4
11. 11.? − 5 = 5
12. 12.15 − 9 =
13. 13.? − 1 = 8
14. 14.7 − 5 =
15. 15.? − 2 = 1
16. 16.What is 3 less than 7?
17. 17.2 − 1 =
18. 18.7 − 4 =
19. 19.There are 15 cups and 14 saucers. How many more cups than saucers are there?
20. 20.13 − 9 =
21. 21.? − 5 = 3
22. 22.There are 5 birds and 4 nests. How many more birds than nests are there?
23. 23.8 − ? = 1
24. 24.What is 3 less than 4?
25. 25.11 − 4 =
26. 26.3 − ? = 2
27. 27.5 − ? = 1
28. 28.20 − ? = 19
29. 29.6 − ? = 1
30. 30.There are 12 pencils and 5 erasers. How many more pencils than erasers are there?
31. 31.There are 5 birds and 3 nests. How many more birds than nests are there?
32. 32.18 − 5 =
33. 33.9 − 8 =
34. 34.5 − 1 =
35. 35.What is 11 less than 12?
36. 36.There are 19 pencils and 5 erasers. How many more pencils than erasers are there?
37. 37.? − 1 = 10
38. 38.11 − 6 =
39. 39.There are 11 children and 3 chairs. How many more children than chairs are there?
40. 40.18 − ? = 16

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