← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 644 · 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.? + 5 = 14
  2. 2.3 + 5 =
  3. 3.4 + 4 + 3 =
  4. 4.? + 8 = 20
  5. 5.Riya has 9 books and gets 2 books more. How many books does Riya have now?
  6. 6.There are 7 blue balloons and 11 pink balloons. How many balloons are there in all?
  7. 7.Zoya has 12 kites and gets 8 kites more. How many kites does Zoya have now?
  8. 8.7 + 10 =
  9. 9.Kabir has 3 balloons and gets 2 balloons more. How many balloons does Kabir have now?
  10. 10.? + 10 = 13
  11. 11.5 + ? = 7
  12. 12.? + 4 = 19
  13. 13.5 + 10 =
  14. 14.4 + 4 + 9 =
  15. 15.Priya has 7 balloons and gets 11 balloons more. How many balloons does Priya have now?
  16. 16.5 + 3 =
  17. 17.There are 11 red beads and 5 yellow beads. How many beads are there in all?
  18. 18.6 + 6 + 4 =
  19. 19.There are 6 green balls and 8 red balls. How many balls are there in all?
  20. 20.1 + 1 + 5 =
  21. 21.There are 9 white beads and 10 blue beads. How many beads are there in all?
  22. 22.Manav has 9 books and gets 8 books more. How many books does Manav have now?
  23. 23.Meera has 11 shells and gets 7 shells more. How many shells does Meera have now?
  24. 24.5 + 9 =
  25. 25.5 + 6 + 6 =
  26. 26.8 + 2 + 2 =
  27. 27.There are 12 blue balls and 5 green balls. How many balls are there in all?
  28. 28.10 + 6 =
  29. 29.9 + 1 =
  30. 30.There are 7 red kites and 3 yellow kites. How many kites are there in all?
  31. 31.There are 10 red beads and 9 yellow beads. How many beads are there in all?
  32. 32.Arjun has 3 balls and gets 5 balls more. How many balls does Arjun have now?
  33. 33.1 + 2 + 7 =
  34. 34.Priya has 7 marbles and gets 3 marbles more. How many marbles does Priya have now?
  35. 35.There are 10 blue crayons and 5 white crayons. How many crayons are there in all?
  36. 36.There are 4 yellow flowers and 16 white flowers. How many flowers are there in all?
  37. 37.1 + 11 =
  38. 38.2 + 8 + 10 =
  39. 39.Rahul has 13 marbles and gets 1 marble more. How many marbles does Rahul have now?
  40. 40.Sneha has 8 shells and gets 2 shells more. How many shells does Sneha have now?

Answer key

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

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