← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 449 · 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.Manav has 12 flowers and gets 1 flower more. How many flowers does Manav have now?
  2. 2.5 + ? = 6
  3. 3.There are 4 white balls and 8 red balls. How many balls are there in all?
  4. 4.Joseph has 3 marbles and gets 3 marbles more. How many marbles does Joseph have now?
  5. 5.There are 12 red crayons and 4 yellow crayons. How many crayons are there in all?
  6. 6.Vivaan has 10 mangoes and gets 4 mangoes more. How many mangoes does Vivaan have now?
  7. 7.There are 2 pink crayons and 9 yellow crayons. How many crayons are there in all?
  8. 8.2 + 2 + 9 =
  9. 9.Meera has 3 marbles and gets 11 marbles more. How many marbles does Meera have now?
  10. 10.11 + 5 =
  11. 11.There are 10 white balloons and 6 red balloons. How many balloons are there in all?
  12. 12.2 + ? = 9
  13. 13.There are 9 green crayons and 10 pink crayons. How many crayons are there in all?
  14. 14.8 + 6 + 3 =
  15. 15.16 + 1 =
  16. 16.? + 5 = 17
  17. 17.4 + 4 + 7 =
  18. 18.19 + 1 =
  19. 19.Arjun has 15 balloons and gets 4 balloons more. How many balloons does Arjun have now?
  20. 20.There are 8 yellow balloons and 10 blue balloons. How many balloons are there in all?
  21. 21.4 + 1 + 7 =
  22. 22.1 + 3 + 15 =
  23. 23.There are 7 yellow beads and 7 green beads. How many beads are there in all?
  24. 24.Meera has 15 crayons and gets 2 crayons more. How many crayons does Meera have now?
  25. 25.16 + 4 =
  26. 26.Sneha has 3 kites and gets 11 kites more. How many kites does Sneha have now?
  27. 27.14 + ? = 15
  28. 28.2 + ? = 3
  29. 29.8 + 7 =
  30. 30.There are 5 blue beads and 14 white beads. How many beads are there in all?
  31. 31.6 + 7 + 7 =
  32. 32.2 + 6 =
  33. 33.3 + 2 =
  34. 34.? + 7 = 19
  35. 35.There are 3 blue flowers and 8 pink flowers. How many flowers are there in all?
  36. 36.13 + 1 =
  37. 37.? + 5 = 7
  38. 38.10 + 8 =
  39. 39.Diya has 5 marbles and gets 3 marbles more. How many marbles does Diya have now?
  40. 40.Aarav has 13 balloons and gets 7 balloons more. How many balloons does Aarav have now?

Answer key

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

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