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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 463 · 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.Riya has 13 bananas and gets 4 bananas more. How many bananas does Riya have now?
  2. 2.1 + 1 + 14 =
  3. 3.3 + 7 + 4 =
  4. 4.8 + 6 =
  5. 5.There are 4 yellow balls and 4 blue balls. How many balls are there in all?
  6. 6.15 + 2 =
  7. 7.4 + 14 =
  8. 8.Manav has 5 balloons and gets 14 balloons more. How many balloons does Manav have now?
  9. 9.4 + 1 + 6 =
  10. 10.There are 12 yellow balls and 6 pink balls. How many balls are there in all?
  11. 11.Arjun has 14 kites and gets 6 kites more. How many kites does Arjun have now?
  12. 12.There are 11 blue flowers and 9 yellow flowers. How many flowers are there in all?
  13. 13.17 + 1 =
  14. 14.10 + ? = 16
  15. 15.1 + 2 + 10 =
  16. 16.1 + 7 + 5 =
  17. 17.Kavya has 13 balloons and gets 1 balloon more. How many balloons does Kavya have now?
  18. 18.6 + ? = 14
  19. 19.16 + 2 =
  20. 20.Riya has 4 pencils and gets 16 pencils more. How many pencils does Riya have now?
  21. 21.3 + 1 + 3 =
  22. 22.6 + 2 + 10 =
  23. 23.There are 5 blue crayons and 8 white crayons. How many crayons are there in all?
  24. 24.6 + 8 + 5 =
  25. 25.6 + 6 + 5 =
  26. 26.16 + 3 =
  27. 27.Diya has 9 mangoes and gets 6 mangoes more. How many mangoes does Diya have now?
  28. 28.There are 12 pink balloons and 5 blue balloons. How many balloons are there in all?
  29. 29.6 + 8 + 6 =
  30. 30.? + 5 = 12
  31. 31.19 + 1 =
  32. 32.Priya has 13 mangoes and gets 7 mangoes more. How many mangoes does Priya have now?
  33. 33.There are 3 white balls and 2 blue balls. How many balls are there in all?
  34. 34.6 + 2 =
  35. 35.Ishaan has 2 kites and gets 4 kites more. How many kites does Ishaan have now?
  36. 36.Rohan has 12 pencils and gets 3 pencils more. How many pencils does Rohan have now?
  37. 37.2 + 5 + 7 =
  38. 38.12 + 1 =
  39. 39.Meera has 13 books and gets 5 books more. How many books does Meera have now?
  40. 40.3 + 6 + 9 =

Answer key

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

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