← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 71 · 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. 1.17 + 3 =
  2. 2.There are 4 red crayons and 5 green crayons. How many crayons are there in all?
  3. 3.11 + 1 =
  4. 4.6 + 8 =
  5. 5.There are 7 blue beads and 12 green beads. How many beads are there in all?
  6. 6.There are 7 blue balls and 7 yellow balls. How many balls are there in all?
  7. 7.There are 3 blue flowers and 2 red flowers. How many flowers are there in all?
  8. 8.16 + 3 =
  9. 9.There are 2 green crayons and 14 pink crayons. How many crayons are there in all?
  10. 10.There are 11 blue balloons and 6 red balloons. How many balloons are there in all?
  11. 11.10 + 10 =
  12. 12.14 + ? = 18
  13. 13.8 + 5 + 2 =
  14. 14.? + 2 = 4
  15. 15.2 + 1 + 9 =
  16. 16.1 + 15 =
  17. 17.Priya has 3 laddoos and gets 4 laddoos more. How many laddoos does Priya have now?
  18. 18.2 + 2 + 14 =
  19. 19.4 + 6 =
  20. 20.There are 4 red kites and 14 pink kites. How many kites are there in all?
  21. 21.6 + 8 + 6 =
  22. 22.? + 17 = 18
  23. 23.1 + 8 + 3 =
  24. 24.3 + 1 + 5 =
  25. 25.Arjun has 12 shells and gets 2 shells more. How many shells does Arjun have now?
  26. 26.Meera has 2 pencils and gets 11 pencils more. How many pencils does Meera have now?
  27. 27.There are 10 red kites and 9 blue kites. How many kites are there in all?
  28. 28.Farhan has 5 laddoos and gets 7 laddoos more. How many laddoos does Farhan have now?
  29. 29.? + 6 = 9
  30. 30.There are 10 white crayons and 9 red crayons. How many crayons are there in all?
  31. 31.3 + ? = 11
  32. 32.11 + ? = 16
  33. 33.2 + 16 =
  34. 34.? + 8 = 16
  35. 35.15 + 1 =
  36. 36.Dev has 6 books and gets 1 book more. How many books does Dev have now?
  37. 37.? + 1 = 3
  38. 38.2 + 18 =
  39. 39.There are 9 green beads and 7 yellow beads. How many beads are there in all?
  40. 40.1 + 3 =

Answer key

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

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