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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 945 · 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.Sneha has 4 bananas and gets 13 bananas more. How many bananas does Sneha have now?
  2. 2.6 + 6 + 5 =
  3. 3.Meera has 10 books and gets 9 books more. How many books does Meera have now?
  4. 4.6 + 3 + 8 =
  5. 5.There are 3 green balls and 5 blue balls. How many balls are there in all?
  6. 6.There are 6 pink flowers and 10 red flowers. How many flowers are there in all?
  7. 7.Meera has 4 laddoos and gets 3 laddoos more. How many laddoos does Meera have now?
  8. 8.Manav has 13 shells and gets 6 shells more. How many shells does Manav have now?
  9. 9.There are 3 yellow beads and 11 blue beads. How many beads are there in all?
  10. 10.14 + 3 =
  11. 11.6 + 2 + 8 =
  12. 12.There are 6 yellow kites and 14 pink kites. How many kites are there in all?
  13. 13.? + 4 = 19
  14. 14.Priya has 11 crayons and gets 6 crayons more. How many crayons does Priya have now?
  15. 15.There are 8 blue balls and 8 yellow balls. How many balls are there in all?
  16. 16.5 + ? = 16
  17. 17.There are 3 green flowers and 6 white flowers. How many flowers are there in all?
  18. 18.4 + 7 + 5 =
  19. 19.10 + 7 =
  20. 20.7 + 4 + 1 =
  21. 21.? + 2 = 3
  22. 22.Ishaan has 10 balls and gets 7 balls more. How many balls does Ishaan have now?
  23. 23.Aarav has 15 balls and gets 1 ball more. How many balls does Aarav have now?
  24. 24.Rohan has 10 bananas and gets 10 bananas more. How many bananas does Rohan have now?
  25. 25.Karan has 14 balls and gets 4 balls more. How many balls does Karan have now?
  26. 26.There are 9 white flowers and 9 blue flowers. How many flowers are there in all?
  27. 27.4 + 3 + 6 =
  28. 28.? + 2 = 14
  29. 29.1 + ? = 12
  30. 30.There are 8 yellow crayons and 5 blue crayons. How many crayons are there in all?
  31. 31.There are 6 red balloons and 7 pink balloons. How many balloons are there in all?
  32. 32.Arjun has 6 balls and gets 4 balls more. How many balls does Arjun have now?
  33. 33.? + 3 = 5
  34. 34.Nisha has 12 laddoos and gets 1 laddoo more. How many laddoos does Nisha have now?
  35. 35.3 + 2 =
  36. 36.There are 10 yellow kites and 8 red kites. How many kites are there in all?
  37. 37.3 + 4 =
  38. 38.Gurpreet has 3 flowers and gets 11 flowers more. How many flowers does Gurpreet have now?
  39. 39.5 + 4 =
  40. 40.Saanvi has 7 crayons and gets 12 crayons more. How many crayons does Saanvi have now?

Answer key

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

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