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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 755 · 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.Vivaan has 14 pencils and gets 3 pencils more. How many pencils does Vivaan have now?
  2. 2.2 + 11 =
  3. 3.6 + 8 + 4 =
  4. 4.There are 12 blue balls and 2 red balls. How many balls are there in all?
  5. 5.3 + ? = 16
  6. 6.2 + 2 =
  7. 7.Lakshmi has 13 marbles and gets 1 marble more. How many marbles does Lakshmi have now?
  8. 8.2 + ? = 4
  9. 9.There are 8 white kites and 6 pink kites. How many kites are there in all?
  10. 10.Joseph has 6 laddoos and gets 9 laddoos more. How many laddoos does Joseph have now?
  11. 11.6 + 6 + 1 =
  12. 12.3 + ? = 6
  13. 13.4 + ? = 19
  14. 14.? + 4 = 6
  15. 15.Diya has 15 crayons and gets 4 crayons more. How many crayons does Diya have now?
  16. 16.6 + ? = 7
  17. 17.8 + 8 + 3 =
  18. 18.There are 4 pink flowers and 12 yellow flowers. How many flowers are there in all?
  19. 19.There are 12 green balls and 8 white balls. How many balls are there in all?
  20. 20.Gurpreet has 9 marbles and gets 7 marbles more. How many marbles does Gurpreet have now?
  21. 21.There are 9 yellow crayons and 8 green crayons. How many crayons are there in all?
  22. 22.There are 10 white flowers and 7 red flowers. How many flowers are there in all?
  23. 23.There are 4 red beads and 11 pink beads. How many beads are there in all?
  24. 24.11 + 5 =
  25. 25.3 + 4 + 11 =
  26. 26.5 + 4 =
  27. 27.5 + ? = 8
  28. 28.Karan has 8 balloons and gets 10 balloons more. How many balloons does Karan have now?
  29. 29.There are 10 blue flowers and 8 red flowers. How many flowers are there in all?
  30. 30.2 + 7 + 1 =
  31. 31.Kabir has 4 balloons and gets 1 balloon more. How many balloons does Kabir have now?
  32. 32.There are 5 pink balls and 15 yellow balls. How many balls are there in all?
  33. 33.4 + 2 + 14 =
  34. 34.Zoya has 3 flowers and gets 15 flowers more. How many flowers does Zoya have now?
  35. 35.12 + ? = 19
  36. 36.1 + 9 =
  37. 37.Kabir has 2 books and gets 15 books more. How many books does Kabir have now?
  38. 38.There are 5 green kites and 3 yellow kites. How many kites are there in all?
  39. 39.? + 16 = 18
  40. 40.3 + 4 + 7 =

Answer key

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

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