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Class 1 Maths Worksheet: Subtraction

Maths worksheets lesson 4: Subtraction up to 20 · Set 644 · 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.? − 1 = 13
  2. 2.What is 9 less than 13?
  3. 3.What is 14 less than 20?
  4. 4.11 − 7 =
  5. 5.Pooja had 20 mangoes and gave 17 to a friend. How many mangoes does Pooja have left?
  6. 6.Gurpreet had 13 mangoes and gave 1 to a friend. How many mangoes does Gurpreet have left?
  7. 7.4 − 1 =
  8. 8.Aarav had 12 kites and gave 6 to a friend. How many kites does Aarav have left?
  9. 9.18 − 14 =
  10. 10.20 − 5 =
  11. 11.What is 10 less than 12?
  12. 12.Saanvi had 5 marbles and gave 4 to a friend. How many marbles does Saanvi have left?
  13. 13.19 − ? = 15
  14. 14.? − 2 = 3
  15. 15.What is 1 less than 3?
  16. 16.7 − ? = 6
  17. 17.20 − ? = 15
  18. 18.10 − 1 =
  19. 19.Ananya had 12 marbles and gave 4 to a friend. How many marbles does Ananya have left?
  20. 20.What is 10 less than 16?
  21. 21.What is 18 less than 19?
  22. 22.Kavya had 4 laddoos and gave 3 to a friend. How many laddoos does Kavya have left?
  23. 23.There are 20 children and 9 chairs. How many more children than chairs are there?
  24. 24.There are 10 boys and 2 kites. How many more boys than kites are there?
  25. 25.There are 11 boys and 4 kites. How many more boys than kites are there?
  26. 26.What is 2 less than 3?
  27. 27.18 − 12 =
  28. 28.There are 11 cups and 7 saucers. How many more cups than saucers are there?
  29. 29.8 − 4 =
  30. 30.18 − ? = 15
  31. 31.11 − ? = 2
  32. 32.What is 3 less than 5?
  33. 33.What is 1 less than 2?
  34. 34.There are 8 cups and 4 saucers. How many more cups than saucers are there?
  35. 35.Zoya had 5 flowers and gave 2 to a friend. How many flowers does Zoya have left?
  36. 36.There are 19 birds and 12 nests. How many more birds than nests are there?
  37. 37.14 − 6 =
  38. 38.Joseph had 14 pencils and gave 2 to a friend. How many pencils does Joseph have left?
  39. 39.What is 9 less than 14?
  40. 40.What is 1 less than 4?

Answer key

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

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