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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 710 · 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. 1.2 + ? = 4
  2. 2.Karan has 8 books and gets 3 books more. How many books does Karan have now?
  3. 3.5 + 9 =
  4. 4.16 + 1 =
  5. 5.? + 2 = 16
  6. 6.3 + 8 =
  7. 7.Joseph has 2 bananas and gets 3 bananas more. How many bananas does Joseph have now?
  8. 8.14 + 4 =
  9. 9.Kabir has 2 balls and gets 15 balls more. How many balls does Kabir have now?
  10. 10.Lakshmi has 5 flowers and gets 3 flowers more. How many flowers does Lakshmi have now?
  11. 11.7 + ? = 19
  12. 12.There are 4 green kites and 3 white kites. How many kites are there in all?
  13. 13.Arjun has 5 mangoes and gets 7 mangoes more. How many mangoes does Arjun have now?
  14. 14.17 + 2 =
  15. 15.Rahul has 10 crayons and gets 6 crayons more. How many crayons does Rahul have now?
  16. 16.There are 8 pink beads and 7 yellow beads. How many beads are there in all?
  17. 17.There are 6 yellow beads and 8 green beads. How many beads are there in all?
  18. 18.2 + 1 + 16 =
  19. 19.Nisha has 3 bananas and gets 15 bananas more. How many bananas does Nisha have now?
  20. 20.Riya has 4 balloons and gets 9 balloons more. How many balloons does Riya have now?
  21. 21.8 + 2 + 9 =
  22. 22.Tara has 9 flowers and gets 3 flowers more. How many flowers does Tara have now?
  23. 23.8 + 3 + 9 =
  24. 24.6 + 14 =
  25. 25.2 + 4 + 5 =
  26. 26.1 + 19 =
  27. 27.6 + 6 + 8 =
  28. 28.6 + 4 + 10 =
  29. 29.4 + 6 + 1 =
  30. 30.5 + 8 + 3 =
  31. 31.There are 9 white balloons and 4 blue balloons. How many balloons are there in all?
  32. 32.6 + 7 + 7 =
  33. 33.There are 6 white flowers and 2 blue flowers. How many flowers are there in all?
  34. 34.19 + 1 =
  35. 35.7 + ? = 10
  36. 36.5 + 10 =
  37. 37.6 + 7 + 3 =
  38. 38.? + 5 = 11
  39. 39.9 + 11 =
  40. 40.3 + 4 + 1 =

Answer key

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

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