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Class 1 Maths Worksheet: Subtraction

Maths worksheets lesson 4: Subtraction up to 20 · Set 266 · 40 sums
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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.

NameDateTime takenScore ___ / 40
  1. 1.? − 15 = 2
  2. 2.15 − ? = 6
  3. 3.Kabir had 4 marbles and gave 1 to a friend. How many marbles does Kabir have left?
  4. 4.Pooja had 20 mangoes and gave 10 to a friend. How many mangoes does Pooja have left?
  5. 5.There are 12 birds and 2 nests. How many more birds than nests are there?
  6. 6.13 − ? = 10
  7. 7.What is 14 less than 20?
  8. 8.14 − 7 =
  9. 9.13 − ? = 6
  10. 10.Kavya had 13 flowers and gave 3 to a friend. How many flowers does Kavya have left?
  11. 11.11 − ? = 8
  12. 12.17 − ? = 1
  13. 13.What is 13 less than 17?
  14. 14.What is 3 less than 15?
  15. 15.Aarav had 15 kites and gave 4 to a friend. How many kites does Aarav have left?
  16. 16.There are 20 children and 18 chairs. How many more children than chairs are there?
  17. 17.6 − 5 =
  18. 18.9 − 6 =
  19. 19.Tara had 13 flowers and gave 4 to a friend. How many flowers does Tara have left?
  20. 20.18 − ? = 6
  21. 21.There are 7 birds and 2 nests. How many more birds than nests are there?
  22. 22.Zoya had 18 marbles and gave 11 to a friend. How many marbles does Zoya have left?
  23. 23.There are 16 pencils and 6 erasers. How many more pencils than erasers are there?
  24. 24.Lakshmi had 6 crayons and gave 2 to a friend. How many crayons does Lakshmi have left?
  25. 25.20 − 19 =
  26. 26.Kabir had 19 crayons and gave 13 to a friend. How many crayons does Kabir have left?
  27. 27.Ananya had 4 shells and gave 3 to a friend. How many shells does Ananya have left?
  28. 28.Aarav had 20 flowers and gave 17 to a friend. How many flowers does Aarav have left?
  29. 29.There are 5 children and 4 chairs. How many more children than chairs are there?
  30. 30.There are 5 bottles and 2 lids. How many more bottles than lids are there?
  31. 31.Isha had 7 balls and gave 6 to a friend. How many balls does Isha have left?
  32. 32.20 − 14 =
  33. 33.What is 2 less than 5?
  34. 34.7 − ? = 1
  35. 35.There are 5 birds and 4 nests. How many more birds than nests are there?
  36. 36.19 − 10 =
  37. 37.What is 15 less than 20?
  38. 38.? − 3 = 1
  39. 39.What is 4 less than 5?
  40. 40.Kabir had 4 balloons and gave 3 to a friend. How many balloons does Kabir have left?

Answer key

  1. 17
  2. 9
  3. 3
  4. 10
  5. 10
  6. 3
  7. 6
  8. 7
  9. 7
  10. 10
  11. 3
  12. 16
  13. 4
  14. 12
  15. 11
  16. 2
  17. 1
  18. 3
  19. 9
  20. 12
  21. 5
  22. 7
  23. 10
  24. 4
  25. 1
  26. 6
  27. 1
  28. 3
  29. 1
  30. 3
  31. 1
  32. 6
  33. 3
  34. 6
  35. 1
  36. 9
  37. 5
  38. 4
  39. 1
  40. 1

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