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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 67 · 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. 1.4 + 3 + 7 =
  2. 2.Tara has 14 mangoes and gets 4 mangoes more. How many mangoes does Tara have now?
  3. 3.There are 4 pink flowers and 2 yellow flowers. How many flowers are there in all?
  4. 4.There are 2 green crayons and 10 yellow crayons. How many crayons are there in all?
  5. 5.3 + 5 + 1 =
  6. 6.Kabir has 3 shells and gets 1 shell more. How many shells does Kabir have now?
  7. 7.2 + 11 =
  8. 8.4 + 3 + 9 =
  9. 9.There are 4 green flowers and 13 blue flowers. How many flowers are there in all?
  10. 10.Saanvi has 14 kites and gets 6 kites more. How many kites does Saanvi have now?
  11. 11.17 + 2 =
  12. 12.6 + ? = 7
  13. 13.There are 10 green balloons and 3 pink balloons. How many balloons are there in all?
  14. 14.6 + 6 + 2 =
  15. 15.4 + ? = 8
  16. 16.There are 6 blue flowers and 5 red flowers. How many flowers are there in all?
  17. 17.Joseph has 4 mangoes and gets 14 mangoes more. How many mangoes does Joseph have now?
  18. 18.Dev has 10 flowers and gets 3 flowers more. How many flowers does Dev have now?
  19. 19.4 + ? = 5
  20. 20.There are 9 pink crayons and 8 white crayons. How many crayons are there in all?
  21. 21.7 + 10 =
  22. 22.Arjun has 7 crayons and gets 1 crayon more. How many crayons does Arjun have now?
  23. 23.There are 11 blue flowers and 3 red flowers. How many flowers are there in all?
  24. 24.Joseph has 11 books and gets 7 books more. How many books does Joseph have now?
  25. 25.Rohan has 11 balloons and gets 7 balloons more. How many balloons does Rohan have now?
  26. 26.13 + 2 =
  27. 27.Rohan has 11 crayons and gets 2 crayons more. How many crayons does Rohan have now?
  28. 28.8 + 2 + 2 =
  29. 29.There are 6 white kites and 11 red kites. How many kites are there in all?
  30. 30.2 + ? = 6
  31. 31.18 + 2 =
  32. 32.Meera has 11 mangoes and gets 2 mangoes more. How many mangoes does Meera have now?
  33. 33.15 + ? = 20
  34. 34.3 + 5 + 5 =
  35. 35.Gurpreet has 11 books and gets 8 books more. How many books does Gurpreet have now?
  36. 36.6 + 5 + 9 =
  37. 37.12 + 3 =
  38. 38.Saanvi has 2 bananas and gets 13 bananas more. How many bananas does Saanvi have now?
  39. 39.6 + 1 =
  40. 40.There are 12 red balloons and 2 white balloons. How many balloons are there in all?

Answer key

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

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