← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 504 · 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.Pooja has 3 laddoos and gets 5 laddoos more. How many laddoos does Pooja have now?
  2. 2.1 + 4 + 4 =
  3. 3.8 + 2 + 1 =
  4. 4.There are 3 pink balloons and 4 blue balloons. How many balloons are there in all?
  5. 5.3 + 4 =
  6. 6.There are 4 red balls and 12 blue balls. How many balls are there in all?
  7. 7.? + 4 = 15
  8. 8.Meera has 15 laddoos and gets 1 laddoo more. How many laddoos does Meera have now?
  9. 9.12 + 6 =
  10. 10.Kavya has 12 shells and gets 5 shells more. How many shells does Kavya have now?
  11. 11.There are 3 red balls and 4 pink balls. How many balls are there in all?
  12. 12.6 + 9 =
  13. 13.11 + ? = 12
  14. 14.? + 2 = 3
  15. 15.1 + 1 + 17 =
  16. 16.Diya has 8 crayons and gets 1 crayon more. How many crayons does Diya have now?
  17. 17.Saanvi has 2 balls and gets 17 balls more. How many balls does Saanvi have now?
  18. 18.8 + 3 =
  19. 19.Ishaan has 13 balloons and gets 2 balloons more. How many balloons does Ishaan have now?
  20. 20.2 + 16 =
  21. 21.9 + ? = 12
  22. 22.? + 4 = 5
  23. 23.There are 7 blue kites and 13 white kites. How many kites are there in all?
  24. 24.1 + 3 + 11 =
  25. 25.2 + ? = 8
  26. 26.There are 4 blue balloons and 12 yellow balloons. How many balloons are there in all?
  27. 27.Ishaan has 12 balloons and gets 2 balloons more. How many balloons does Ishaan have now?
  28. 28.3 + 2 + 13 =
  29. 29.2 + 2 + 11 =
  30. 30.There are 8 red beads and 12 green beads. How many beads are there in all?
  31. 31.? + 1 = 16
  32. 32.There are 4 red flowers and 9 green flowers. How many flowers are there in all?
  33. 33.2 + 5 + 3 =
  34. 34.17 + 1 =
  35. 35.Aarav has 13 balls and gets 6 balls more. How many balls does Aarav have now?
  36. 36.3 + ? = 5
  37. 37.12 + 8 =
  38. 38.8 + 1 =
  39. 39.7 + 3 =
  40. 40.Dev has 8 mangoes and gets 1 mango more. How many mangoes does Dev have now?

Answer key

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

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