← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 330 · 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. 1.16 + 4 =
  2. 2.? + 11 = 15
  3. 3.16 + 3 =
  4. 4.15 + 1 =
  5. 5.8 + 7 + 5 =
  6. 6.14 + 1 =
  7. 7.13 + ? = 15
  8. 8.1 + 8 + 7 =
  9. 9.11 + 9 =
  10. 10.Rohan has 10 pencils and gets 6 pencils more. How many pencils does Rohan have now?
  11. 11.Isha has 5 balls and gets 7 balls more. How many balls does Isha have now?
  12. 12.2 + 9 =
  13. 13.Sneha has 13 crayons and gets 2 crayons more. How many crayons does Sneha have now?
  14. 14.12 + 8 =
  15. 15.1 + ? = 4
  16. 16.6 + 1 =
  17. 17.? + 2 = 14
  18. 18.13 + 2 =
  19. 19.7 + 2 + 1 =
  20. 20.Ananya has 13 mangoes and gets 4 mangoes more. How many mangoes does Ananya have now?
  21. 21.18 + 1 =
  22. 22.4 + ? = 16
  23. 23.4 + 3 =
  24. 24.5 + 5 + 3 =
  25. 25.There are 5 yellow balls and 10 green balls. How many balls are there in all?
  26. 26.2 + 4 + 14 =
  27. 27.4 + ? = 12
  28. 28.12 + 6 =
  29. 29.2 + 5 + 4 =
  30. 30.13 + 7 =
  31. 31.6 + ? = 9
  32. 32.? + 4 = 5
  33. 33.Joseph has 10 mangoes and gets 10 mangoes more. How many mangoes does Joseph have now?
  34. 34.1 + 6 + 4 =
  35. 35.2 + 7 + 11 =
  36. 36.17 + 1 =
  37. 37.? + 6 = 18
  38. 38.13 + 1 =
  39. 39.There are 11 yellow balloons and 9 green balloons. How many balloons are there in all?
  40. 40.Saanvi has 4 balls and gets 10 balls more. How many balls does Saanvi have now?

Answer key

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

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