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Class 1 Maths Worksheet: Subtraction

Maths worksheets lesson 4: Subtraction up to 20 · Set 273 · 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.? − 13 = 1
  2. 2.There are 13 birds and 7 nests. How many more birds than nests are there?
  3. 3.3 − 1 =
  4. 4.What is 1 less than 15?
  5. 5.Tara had 10 pencils and gave 6 to a friend. How many pencils does Tara have left?
  6. 6.? − 2 = 1
  7. 7.What is 6 less than 10?
  8. 8.What is 3 less than 4?
  9. 9.Aditya had 3 pencils and gave 2 to a friend. How many pencils does Aditya have left?
  10. 10.6 − 4 =
  11. 11.4 − 2 =
  12. 12.? − 3 = 6
  13. 13.What is 15 less than 17?
  14. 14.Isha had 16 shells and gave 14 to a friend. How many shells does Isha have left?
  15. 15.What is 3 less than 12?
  16. 16.What is 4 less than 19?
  17. 17.4 − 3 =
  18. 18.There are 14 pencils and 11 erasers. How many more pencils than erasers are there?
  19. 19.What is 8 less than 19?
  20. 20.18 − 14 =
  21. 21.20 − 10 =
  22. 22.What is 5 less than 20?
  23. 23.13 − 11 =
  24. 24.17 − ? = 14
  25. 25.There are 11 boys and 5 kites. How many more boys than kites are there?
  26. 26.Farhan had 6 mangoes and gave 2 to a friend. How many mangoes does Farhan have left?
  27. 27.6 − 2 =
  28. 28.? − 15 = 1
  29. 29.There are 3 children and 2 chairs. How many more children than chairs are there?
  30. 30.What is 18 less than 20?
  31. 31.What is 8 less than 9?
  32. 32.15 − 4 =
  33. 33.17 − 15 =
  34. 34.Meera had 8 crayons and gave 5 to a friend. How many crayons does Meera have left?
  35. 35.Saanvi had 19 shells and gave 16 to a friend. How many shells does Saanvi have left?
  36. 36.3 − ? = 2
  37. 37.Priya had 20 flowers and gave 15 to a friend. How many flowers does Priya have left?
  38. 38.There are 9 cups and 3 saucers. How many more cups than saucers are there?
  39. 39.Pooja had 5 laddoos and gave 2 to a friend. How many laddoos does Pooja have left?
  40. 40.What is 4 less than 20?

Answer key

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

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