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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 943 · 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.Rohan has 5 laddoos and gets 2 laddoos more. How many laddoos does Rohan have now?
  2. 2.There are 12 red flowers and 8 blue flowers. How many flowers are there in all?
  3. 3.Zoya has 8 balls and gets 10 balls more. How many balls does Zoya have now?
  4. 4.4 + ? = 7
  5. 5.12 + 1 =
  6. 6.There are 5 pink flowers and 10 white flowers. How many flowers are there in all?
  7. 7.There are 4 green balloons and 9 red balloons. How many balloons are there in all?
  8. 8.There are 5 red balls and 4 blue balls. How many balls are there in all?
  9. 9.7 + 7 + 1 =
  10. 10.13 + 1 =
  11. 11.9 + 10 =
  12. 12.3 + 1 + 14 =
  13. 13.2 + ? = 4
  14. 14.2 + 6 + 4 =
  15. 15.3 + ? = 4
  16. 16.Gurpreet has 11 bananas and gets 7 bananas more. How many bananas does Gurpreet have now?
  17. 17.11 + 1 =
  18. 18.8 + 3 + 3 =
  19. 19.? + 15 = 20
  20. 20.Joseph has 5 kites and gets 14 kites more. How many kites does Joseph have now?
  21. 21.8 + 7 + 4 =
  22. 22.There are 10 red flowers and 3 white flowers. How many flowers are there in all?
  23. 23.19 + 1 =
  24. 24.7 + 4 + 5 =
  25. 25.7 + 1 + 12 =
  26. 26.3 + 8 + 8 =
  27. 27.5 + 7 + 7 =
  28. 28.There are 2 white beads and 6 blue beads. How many beads are there in all?
  29. 29.4 + ? = 13
  30. 30.Sneha has 2 pencils and gets 18 pencils more. How many pencils does Sneha have now?
  31. 31.2 + 5 + 13 =
  32. 32.2 + ? = 5
  33. 33.7 + 6 + 1 =
  34. 34.There are 11 blue beads and 2 red beads. How many beads are there in all?
  35. 35.3 + 1 =
  36. 36.Gurpreet has 12 books and gets 6 books more. How many books does Gurpreet have now?
  37. 37.1 + 1 + 11 =
  38. 38.Diya has 7 mangoes and gets 11 mangoes more. How many mangoes does Diya have now?
  39. 39.2 + 10 =
  40. 40.Tara has 9 crayons and gets 9 crayons more. How many crayons does Tara have now?

Answer key

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

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