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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 963 · 40 sums
TalentJR

The method (Count on): Start with the bigger number. Count on the smaller number, one finger at a time. For a missing number (8 + ? = 15), count on from 8 up to 15, or take away: 15 − 8.

NameDateTime takenScore ___ / 40
  1. 1.There are 8 yellow beads and 6 blue beads. How many beads are there in all?
  2. 2.Kavya has 3 crayons and gets 16 crayons more. How many crayons does Kavya have now?
  3. 3.6 + 2 =
  4. 4.Rohan has 7 mangoes and gets 6 mangoes more. How many mangoes does Rohan have now?
  5. 5.There are 2 blue balloons and 13 yellow balloons. How many balloons are there in all?
  6. 6.13 + 1 =
  7. 7.Aarav has 2 laddoos and gets 2 laddoos more. How many laddoos does Aarav have now?
  8. 8.There are 6 green crayons and 3 white crayons. How many crayons are there in all?
  9. 9.Priya has 12 books and gets 8 books more. How many books does Priya have now?
  10. 10.3 + 4 =
  11. 11.Lakshmi has 13 laddoos and gets 1 laddoo more. How many laddoos does Lakshmi have now?
  12. 12.4 + 13 =
  13. 13.? + 4 = 17
  14. 14.Riya has 8 crayons and gets 7 crayons more. How many crayons does Riya have now?
  15. 15.2 + ? = 9
  16. 16.4 + 16 =
  17. 17.6 + 2 + 8 =
  18. 18.2 + 1 =
  19. 19.? + 12 = 15
  20. 20.Zoya has 11 balloons and gets 7 balloons more. How many balloons does Zoya have now?
  21. 21.? + 11 = 18
  22. 22.17 + 2 =
  23. 23.Meera has 2 crayons and gets 12 crayons more. How many crayons does Meera have now?
  24. 24.11 + ? = 16
  25. 25.Rahul has 12 crayons and gets 5 crayons more. How many crayons does Rahul have now?
  26. 26.3 + 2 + 7 =
  27. 27.There are 4 white beads and 7 blue beads. How many beads are there in all?
  28. 28.? + 5 = 18
  29. 29.14 + 6 =
  30. 30.8 + 8 + 1 =
  31. 31.12 + 2 =
  32. 32.Joseph has 3 mangoes and gets 8 mangoes more. How many mangoes does Joseph have now?
  33. 33.4 + 1 + 3 =
  34. 34.2 + ? = 5
  35. 35.15 + 3 =
  36. 36.There are 2 yellow balloons and 6 blue balloons. How many balloons are there in all?
  37. 37.Arjun has 11 bananas and gets 2 bananas more. How many bananas does Arjun have now?
  38. 38.1 + ? = 6
  39. 39.There are 6 pink flowers and 10 green flowers. How many flowers are there in all?
  40. 40.19 + 1 =

Answer key

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

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