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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 190 · 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 white kites and 2 green kites. How many kites are there in all?
  2. 2.1 + 2 =
  3. 3.? + 10 = 19
  4. 4.1 + ? = 3
  5. 5.Gurpreet has 11 mangoes and gets 8 mangoes more. How many mangoes does Gurpreet have now?
  6. 6.Aarav has 13 pencils and gets 3 pencils more. How many pencils does Aarav have now?
  7. 7.5 + 7 + 6 =
  8. 8.16 + 4 =
  9. 9.There are 3 pink balls and 2 red balls. How many balls are there in all?
  10. 10.3 + 15 =
  11. 11.? + 7 = 9
  12. 12.1 + ? = 6
  13. 13.3 + 2 + 1 =
  14. 14.3 + ? = 6
  15. 15.? + 1 = 4
  16. 16.11 + 2 =
  17. 17.9 + 4 =
  18. 18.18 + 1 =
  19. 19.6 + 7 + 4 =
  20. 20.Sneha has 7 balls and gets 10 balls more. How many balls does Sneha have now?
  21. 21.9 + 1 =
  22. 22.There are 3 blue flowers and 11 red flowers. How many flowers are there in all?
  23. 23.2 + 8 =
  24. 24.Rohan has 6 bananas and gets 3 bananas more. How many bananas does Rohan have now?
  25. 25.There are 4 yellow kites and 14 pink kites. How many kites are there in all?
  26. 26.2 + 1 =
  27. 27.There are 11 pink balls and 6 yellow balls. How many balls are there in all?
  28. 28.1 + 15 =
  29. 29.13 + ? = 16
  30. 30.There are 7 white balls and 9 blue balls. How many balls are there in all?
  31. 31.4 + 2 + 3 =
  32. 32.10 + 10 =
  33. 33.Farhan has 6 flowers and gets 10 flowers more. How many flowers does Farhan have now?
  34. 34.3 + 5 + 6 =
  35. 35.13 + 7 =
  36. 36.There are 4 green beads and 16 red beads. How many beads are there in all?
  37. 37.? + 1 = 3
  38. 38.Kabir has 13 kites and gets 4 kites more. How many kites does Kabir have now?
  39. 39.Ananya has 11 crayons and gets 1 crayon more. How many crayons does Ananya have now?
  40. 40.Vivaan has 5 laddoos and gets 14 laddoos more. How many laddoos does Vivaan have now?

Answer key

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

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