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Class 1 Maths Worksheet: Subtraction

Maths worksheets lesson 4: Subtraction up to 20 · Set 630 · 40 sums
TalentJR

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.Aarav had 12 marbles and gave 1 to a friend. How many marbles does Aarav have left?
  2. 2.18 − 2 =
  3. 3.3 − 1 =
  4. 4.? − 8 = 1
  5. 5.2 − 1 =
  6. 6.What is 11 less than 15?
  7. 7.12 − ? = 4
  8. 8.? − 5 = 5
  9. 9.What is 1 less than 2?
  10. 10.16 − 9 =
  11. 11.Karan had 6 mangoes and gave 2 to a friend. How many mangoes does Karan have left?
  12. 12.? − 6 = 4
  13. 13.15 − 5 =
  14. 14.7 − ? = 3
  15. 15.What is 3 less than 6?
  16. 16.? − 5 = 1
  17. 17.What is 3 less than 4?
  18. 18.What is 1 less than 3?
  19. 19.6 − ? = 4
  20. 20.What is 2 less than 16?
  21. 21.Kavya had 12 balloons and gave 10 to a friend. How many balloons does Kavya have left?
  22. 22.There are 20 children and 16 chairs. How many more children than chairs are there?
  23. 23.What is 2 less than 4?
  24. 24.There are 7 pencils and 4 erasers. How many more pencils than erasers are there?
  25. 25.14 − 2 =
  26. 26.11 − ? = 3
  27. 27.Rohan had 3 crayons and gave 2 to a friend. How many crayons does Rohan have left?
  28. 28.There are 7 bottles and 6 lids. How many more bottles than lids are there?
  29. 29.There are 16 children and 9 chairs. How many more children than chairs are there?
  30. 30.Farhan had 4 shells and gave 3 to a friend. How many shells does Farhan have left?
  31. 31.Arjun had 9 pencils and gave 4 to a friend. How many pencils does Arjun have left?
  32. 32.There are 3 bottles and 2 lids. How many more bottles than lids are there?
  33. 33.10 − 2 =
  34. 34.What is 2 less than 9?
  35. 35.What is 1 less than 4?
  36. 36.10 − 1 =
  37. 37.What is 1 less than 9?
  38. 38.What is 12 less than 16?
  39. 39.? − 10 = 9
  40. 40.6 − ? = 5

Answer key

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

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