← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 53 · 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.Kabir has 4 flowers and gets 16 flowers more. How many flowers does Kabir have now?
  2. 2.Arjun has 4 crayons and gets 11 crayons more. How many crayons does Arjun have now?
  3. 3.4 + ? = 11
  4. 4.Aarav has 12 books and gets 2 books more. How many books does Aarav have now?
  5. 5.2 + 7 + 1 =
  6. 6.8 + 1 + 2 =
  7. 7.2 + 9 =
  8. 8.13 + 7 =
  9. 9.10 + 3 =
  10. 10.Dev has 2 pencils and gets 13 pencils more. How many pencils does Dev have now?
  11. 11.There are 3 green beads and 14 blue beads. How many beads are there in all?
  12. 12.10 + 2 =
  13. 13.7 + 3 + 1 =
  14. 14.There are 11 pink beads and 4 yellow beads. How many beads are there in all?
  15. 15.8 + 12 =
  16. 16.3 + 5 + 8 =
  17. 17.There are 8 white crayons and 7 yellow crayons. How many crayons are there in all?
  18. 18.There are 6 white balls and 2 yellow balls. How many balls are there in all?
  19. 19.5 + ? = 6
  20. 20.1 + 6 + 9 =
  21. 21.Dev has 12 mangoes and gets 2 mangoes more. How many mangoes does Dev have now?
  22. 22.7 + 13 =
  23. 23.Rohan has 15 books and gets 2 books more. How many books does Rohan have now?
  24. 24.3 + 5 + 11 =
  25. 25.7 + ? = 8
  26. 26.Saanvi has 12 laddoos and gets 4 laddoos more. How many laddoos does Saanvi have now?
  27. 27.18 + 1 =
  28. 28.16 + 4 =
  29. 29.There are 10 red flowers and 7 white flowers. How many flowers are there in all?
  30. 30.5 + 12 =
  31. 31.1 + ? = 12
  32. 32.6 + 2 + 9 =
  33. 33.There are 3 red beads and 13 blue beads. How many beads are there in all?
  34. 34.9 + 11 =
  35. 35.? + 8 = 10
  36. 36.8 + 1 + 8 =
  37. 37.3 + ? = 7
  38. 38.There are 4 pink beads and 2 green beads. How many beads are there in all?
  39. 39.There are 8 green flowers and 2 pink flowers. How many flowers are there in all?
  40. 40.Arjun has 9 mangoes and gets 7 mangoes more. How many mangoes does Arjun have now?

Answer key

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

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets