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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 294 · 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 2 yellow flowers and 4 pink flowers. How many flowers are there in all?
  2. 2.3 + 10 =
  3. 3.There are 7 white flowers and 11 blue flowers. How many flowers are there in all?
  4. 4.There are 11 red balls and 3 yellow balls. How many balls are there in all?
  5. 5.Meera has 3 books and gets 17 books more. How many books does Meera have now?
  6. 6.There are 12 green beads and 6 white beads. How many beads are there in all?
  7. 7.There are 5 green balloons and 12 blue balloons. How many balloons are there in all?
  8. 8.3 + 2 + 2 =
  9. 9.Lakshmi has 2 laddoos and gets 2 laddoos more. How many laddoos does Lakshmi have now?
  10. 10.8 + 8 =
  11. 11.Nisha has 8 pencils and gets 1 pencil more. How many pencils does Nisha have now?
  12. 12.6 + 1 + 4 =
  13. 13.4 + 13 =
  14. 14.10 + 9 =
  15. 15.There are 7 blue flowers and 10 yellow flowers. How many flowers are there in all?
  16. 16.There are 3 pink flowers and 6 red flowers. How many flowers are there in all?
  17. 17.Gurpreet has 3 balls and gets 5 balls more. How many balls does Gurpreet have now?
  18. 18.There are 6 blue beads and 2 red beads. How many beads are there in all?
  19. 19.There are 3 blue beads and 10 red beads. How many beads are there in all?
  20. 20.Kabir has 3 laddoos and gets 1 laddoo more. How many laddoos does Kabir have now?
  21. 21.9 + 5 =
  22. 22.10 + 3 =
  23. 23.13 + 6 =
  24. 24.Diya has 5 pencils and gets 12 pencils more. How many pencils does Diya have now?
  25. 25.16 + 3 =
  26. 26.Priya has 13 marbles and gets 7 marbles more. How many marbles does Priya have now?
  27. 27.? + 1 = 6
  28. 28.Karan has 3 marbles and gets 15 marbles more. How many marbles does Karan have now?
  29. 29.There are 8 red crayons and 4 yellow crayons. How many crayons are there in all?
  30. 30.There are 8 yellow crayons and 6 blue crayons. How many crayons are there in all?
  31. 31.There are 7 pink balls and 5 green balls. How many balls are there in all?
  32. 32.There are 2 white balls and 5 blue balls. How many balls are there in all?
  33. 33.4 + 5 =
  34. 34.2 + 5 =
  35. 35.2 + 8 =
  36. 36.3 + ? = 9
  37. 37.There are 6 green beads and 11 red beads. How many beads are there in all?
  38. 38.? + 6 = 18
  39. 39.2 + ? = 10
  40. 40.Riya has 9 crayons and gets 10 crayons more. How many crayons does Riya have now?

Answer key

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

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