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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 494 · 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.Zoya has 8 kites and gets 1 kite more. How many kites does Zoya have now?
  2. 2.8 + 1 + 11 =
  3. 3.7 + 1 + 8 =
  4. 4.There are 2 green flowers and 3 yellow flowers. How many flowers are there in all?
  5. 5.Kabir has 11 laddoos and gets 8 laddoos more. How many laddoos does Kabir have now?
  6. 6.17 + ? = 19
  7. 7.There are 8 red balls and 9 pink balls. How many balls are there in all?
  8. 8.? + 6 = 11
  9. 9.2 + 2 + 5 =
  10. 10.Gurpreet has 11 balloons and gets 1 balloon more. How many balloons does Gurpreet have now?
  11. 11.There are 11 white flowers and 5 yellow flowers. How many flowers are there in all?
  12. 12.There are 6 white flowers and 5 pink flowers. How many flowers are there in all?
  13. 13.7 + 7 + 1 =
  14. 14.17 + 1 =
  15. 15.5 + 3 =
  16. 16.There are 9 yellow kites and 10 green kites. How many kites are there in all?
  17. 17.There are 2 blue balloons and 9 white balloons. How many balloons are there in all?
  18. 18.Isha has 11 balls and gets 4 balls more. How many balls does Isha have now?
  19. 19.9 + 4 =
  20. 20.9 + ? = 16
  21. 21.2 + 4 =
  22. 22.14 + 2 =
  23. 23.2 + 6 + 12 =
  24. 24.There are 6 blue crayons and 3 pink crayons. How many crayons are there in all?
  25. 25.There are 2 blue balls and 6 pink balls. How many balls are there in all?
  26. 26.7 + 1 + 4 =
  27. 27.3 + 9 =
  28. 28.There are 3 white flowers and 3 red flowers. How many flowers are there in all?
  29. 29.Priya has 3 kites and gets 11 kites more. How many kites does Priya have now?
  30. 30.Rohan has 13 kites and gets 3 kites more. How many kites does Rohan have now?
  31. 31.4 + 3 =
  32. 32.There are 12 yellow flowers and 5 red flowers. How many flowers are there in all?
  33. 33.Arjun has 6 kites and gets 10 kites more. How many kites does Arjun have now?
  34. 34.7 + 5 + 1 =
  35. 35.14 + 6 =
  36. 36.There are 11 pink kites and 3 blue kites. How many kites are there in all?
  37. 37.Arjun has 15 balls and gets 4 balls more. How many balls does Arjun have now?
  38. 38.2 + ? = 4
  39. 39.Priya has 5 books and gets 14 books more. How many books does Priya have now?
  40. 40.Ishaan has 8 balloons and gets 3 balloons more. How many balloons does Ishaan have now?

Answer key

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

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