← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 799 · 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.There are 7 blue crayons and 2 green crayons. How many crayons are there in all?
  2. 2.There are 4 yellow beads and 11 blue beads. How many beads are there in all?
  3. 3.2 + 3 + 10 =
  4. 4.Aditya has 3 kites and gets 3 kites more. How many kites does Aditya have now?
  5. 5.2 + 4 + 14 =
  6. 6.? + 6 = 7
  7. 7.Dev has 12 marbles and gets 4 marbles more. How many marbles does Dev have now?
  8. 8.7 + 2 + 3 =
  9. 9.? + 10 = 14
  10. 10.6 + 1 + 10 =
  11. 11.7 + 5 + 7 =
  12. 12.Pooja has 11 flowers and gets 3 flowers more. How many flowers does Pooja have now?
  13. 13.? + 7 = 10
  14. 14.There are 7 blue balloons and 9 red balloons. How many balloons are there in all?
  15. 15.7 + 4 + 3 =
  16. 16.There are 10 green flowers and 6 pink flowers. How many flowers are there in all?
  17. 17.Arjun has 11 balls and gets 2 balls more. How many balls does Arjun have now?
  18. 18.3 + 7 + 10 =
  19. 19.There are 5 pink crayons and 5 yellow crayons. How many crayons are there in all?
  20. 20.? + 5 = 10
  21. 21.? + 2 = 9
  22. 22.Aarav has 4 shells and gets 2 shells more. How many shells does Aarav have now?
  23. 23.5 + 7 + 1 =
  24. 24.7 + 3 + 5 =
  25. 25.6 + 2 =
  26. 26.? + 6 = 19
  27. 27.1 + 4 + 7 =
  28. 28.Vivaan has 9 laddoos and gets 1 laddoo more. How many laddoos does Vivaan have now?
  29. 29.2 + 6 =
  30. 30.3 + 6 + 3 =
  31. 31.Kabir has 7 laddoos and gets 12 laddoos more. How many laddoos does Kabir have now?
  32. 32.8 + 9 =
  33. 33.16 + 3 =
  34. 34.5 + 2 + 3 =
  35. 35.7 + 1 + 7 =
  36. 36.6 + 3 + 1 =
  37. 37.? + 7 = 17
  38. 38.There are 8 yellow flowers and 11 blue flowers. How many flowers are there in all?
  39. 39.1 + ? = 9
  40. 40.3 + 1 + 13 =

Answer key

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

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