← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 35 · 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. 1.1 + 7 + 9 =
  2. 2.2 + 2 + 16 =
  3. 3.2 + 2 =
  4. 4.7 + 1 =
  5. 5.10 + 3 =
  6. 6.There are 4 yellow balloons and 3 red balloons. How many balloons are there in all?
  7. 7.16 + 3 =
  8. 8.Arjun has 8 flowers and gets 2 flowers more. How many flowers does Arjun have now?
  9. 9.3 + 1 + 15 =
  10. 10.Pooja has 5 bananas and gets 6 bananas more. How many bananas does Pooja have now?
  11. 11.3 + ? = 5
  12. 12.14 + 6 =
  13. 13.Joseph has 12 laddoos and gets 1 laddoo more. How many laddoos does Joseph have now?
  14. 14.There are 2 blue balloons and 16 pink balloons. How many balloons are there in all?
  15. 15.1 + 5 =
  16. 16.There are 8 green flowers and 2 red flowers. How many flowers are there in all?
  17. 17.8 + ? = 17
  18. 18.11 + 9 =
  19. 19.There are 7 pink balloons and 4 green balloons. How many balloons are there in all?
  20. 20.5 + ? = 7
  21. 21.Kavya has 6 pencils and gets 1 pencil more. How many pencils does Kavya have now?
  22. 22.13 + ? = 20
  23. 23.There are 4 red flowers and 4 blue flowers. How many flowers are there in all?
  24. 24.4 + ? = 5
  25. 25.6 + ? = 15
  26. 26.8 + ? = 13
  27. 27.4 + 2 + 2 =
  28. 28.19 + 1 =
  29. 29.12 + ? = 13
  30. 30.14 + 1 =
  31. 31.3 + ? = 12
  32. 32.5 + ? = 6
  33. 33.5 + 3 + 12 =
  34. 34.12 + 7 =
  35. 35.Ishaan has 4 shells and gets 8 shells more. How many shells does Ishaan have now?
  36. 36.There are 11 red balloons and 8 pink balloons. How many balloons are there in all?
  37. 37.There are 6 blue beads and 4 red beads. How many beads are there in all?
  38. 38.Isha has 6 crayons and gets 11 crayons more. How many crayons does Isha have now?
  39. 39.There are 11 red kites and 3 white kites. How many kites are there in all?
  40. 40.10 + ? = 16

Answer key

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

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