← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 491 · 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. 1.5 + 3 + 7 =
  2. 2.Rohan has 5 laddoos and gets 12 laddoos more. How many laddoos does Rohan have now?
  3. 3.? + 5 = 11
  4. 4.There are 8 yellow balloons and 8 red balloons. How many balloons are there in all?
  5. 5.3 + ? = 17
  6. 6.6 + 2 + 11 =
  7. 7.5 + 10 =
  8. 8.? + 6 = 20
  9. 9.There are 9 blue flowers and 11 pink flowers. How many flowers are there in all?
  10. 10.2 + 7 + 8 =
  11. 11.There are 8 green crayons and 3 yellow crayons. How many crayons are there in all?
  12. 12.Kavya has 15 laddoos and gets 5 laddoos more. How many laddoos does Kavya have now?
  13. 13.There are 3 yellow beads and 5 white beads. How many beads are there in all?
  14. 14.11 + ? = 14
  15. 15.? + 4 = 6
  16. 16.5 + ? = 17
  17. 17.2 + ? = 9
  18. 18.6 + 6 + 6 =
  19. 19.6 + 8 =
  20. 20.Meera has 10 crayons and gets 1 crayon more. How many crayons does Meera have now?
  21. 21.7 + 10 =
  22. 22.Manav has 3 marbles and gets 8 marbles more. How many marbles does Manav have now?
  23. 23.8 + 8 + 2 =
  24. 24.16 + 3 =
  25. 25.17 + 1 =
  26. 26.There are 9 white balls and 10 blue balls. How many balls are there in all?
  27. 27.3 + 8 + 3 =
  28. 28.There are 2 yellow balls and 5 pink balls. How many balls are there in all?
  29. 29.5 + 1 =
  30. 30.Ishaan has 5 shells and gets 6 shells more. How many shells does Ishaan have now?
  31. 31.10 + 8 =
  32. 32.Gurpreet has 11 shells and gets 6 shells more. How many shells does Gurpreet have now?
  33. 33.There are 6 red beads and 12 green beads. How many beads are there in all?
  34. 34.2 + 4 + 1 =
  35. 35.? + 12 = 18
  36. 36.1 + 4 =
  37. 37.Riya has 12 balls and gets 1 ball more. How many balls does Riya have now?
  38. 38.4 + 12 =
  39. 39.7 + 3 + 9 =
  40. 40.2 + 8 + 6 =

Answer key

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

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