← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 911 · 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. 1.3 + 2 + 10 =
  2. 2.? + 3 = 7
  3. 3.Sneha has 9 crayons and gets 10 crayons more. How many crayons does Sneha have now?
  4. 4.2 + ? = 6
  5. 5.14 + 2 =
  6. 6.6 + 2 + 2 =
  7. 7.12 + 8 =
  8. 8.? + 2 = 4
  9. 9.4 + 7 + 4 =
  10. 10.10 + 2 =
  11. 11.1 + ? = 4
  12. 12.Riya has 13 pencils and gets 1 pencil more. How many pencils does Riya have now?
  13. 13.6 + ? = 8
  14. 14.1 + 3 =
  15. 15.2 + 12 =
  16. 16.Diya has 2 marbles and gets 1 marble more. How many marbles does Diya have now?
  17. 17.8 + 12 =
  18. 18.3 + ? = 5
  19. 19.There are 5 white balloons and 3 green balloons. How many balloons are there in all?
  20. 20.Tara has 2 laddoos and gets 1 laddoo more. How many laddoos does Tara have now?
  21. 21.There are 3 red beads and 5 green beads. How many beads are there in all?
  22. 22.1 + 4 + 6 =
  23. 23.15 + 2 =
  24. 24.3 + 15 =
  25. 25.2 + ? = 4
  26. 26.1 + 2 =
  27. 27.Kavya has 8 books and gets 11 books more. How many books does Kavya have now?
  28. 28.Kavya has 9 shells and gets 8 shells more. How many shells does Kavya have now?
  29. 29.Ananya has 3 laddoos and gets 6 laddoos more. How many laddoos does Ananya have now?
  30. 30.8 + 1 =
  31. 31.There are 3 green flowers and 16 yellow flowers. How many flowers are there in all?
  32. 32.15 + 4 =
  33. 33.There are 4 pink crayons and 10 white crayons. How many crayons are there in all?
  34. 34.There are 9 pink balls and 4 blue balls. How many balls are there in all?
  35. 35.Aarav has 14 pencils and gets 6 pencils more. How many pencils does Aarav have now?
  36. 36.4 + 6 + 1 =
  37. 37.There are 6 pink balls and 5 white balls. How many balls are there in all?
  38. 38.There are 9 red beads and 6 yellow beads. How many beads are there in all?
  39. 39.Karan has 7 pencils and gets 7 pencils more. How many pencils does Karan have now?
  40. 40.3 + 6 + 3 =

Answer key

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

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