← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 648 · 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 2 white beads and 2 blue beads. How many beads are there in all?
  2. 2.9 + 2 =
  3. 3.4 + 1 =
  4. 4.? + 19 = 20
  5. 5.6 + 8 + 6 =
  6. 6.There are 5 blue kites and 11 white kites. How many kites are there in all?
  7. 7.There are 7 red balloons and 12 white balloons. How many balloons are there in all?
  8. 8.7 + 5 + 6 =
  9. 9.15 + 1 =
  10. 10.There are 10 blue balloons and 6 white balloons. How many balloons are there in all?
  11. 11.6 + 1 + 5 =
  12. 12.Arjun has 13 kites and gets 6 kites more. How many kites does Arjun have now?
  13. 13.5 + 10 =
  14. 14.12 + 6 =
  15. 15.There are 5 red balls and 13 green balls. How many balls are there in all?
  16. 16.16 + 1 =
  17. 17.5 + 3 + 10 =
  18. 18.Gurpreet has 3 pencils and gets 14 pencils more. How many pencils does Gurpreet have now?
  19. 19.13 + 6 =
  20. 20.1 + 6 =
  21. 21.15 + 3 =
  22. 22.? + 4 = 5
  23. 23.There are 9 yellow kites and 3 red kites. How many kites are there in all?
  24. 24.5 + 4 + 2 =
  25. 25.There are 6 yellow kites and 7 white kites. How many kites are there in all?
  26. 26.Zoya has 10 crayons and gets 1 crayon more. How many crayons does Zoya have now?
  27. 27.There are 8 red beads and 6 pink beads. How many beads are there in all?
  28. 28.Ananya has 9 marbles and gets 1 marble more. How many marbles does Ananya have now?
  29. 29.5 + 6 + 3 =
  30. 30.Arjun has 9 balls and gets 4 balls more. How many balls does Arjun have now?
  31. 31.There are 4 pink balls and 13 green balls. How many balls are there in all?
  32. 32.Zoya has 3 crayons and gets 10 crayons more. How many crayons does Zoya have now?
  33. 33.5 + 7 =
  34. 34.11 + 9 =
  35. 35.7 + ? = 16
  36. 36.3 + 6 =
  37. 37.Sneha has 11 balls and gets 8 balls more. How many balls does Sneha have now?
  38. 38.3 + ? = 12
  39. 39.There are 7 green kites and 6 pink kites. How many kites are there in all?
  40. 40.1 + ? = 15

Answer key

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

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