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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 714 · 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.? + 1 = 3
  2. 2.There are 8 pink balls and 5 yellow balls. How many balls are there in all?
  3. 3.There are 4 yellow flowers and 14 pink flowers. How many flowers are there in all?
  4. 4.6 + 7 + 6 =
  5. 5.17 + 2 =
  6. 6.7 + 6 + 1 =
  7. 7.There are 7 green balloons and 9 red balloons. How many balloons are there in all?
  8. 8.4 + 3 =
  9. 9.6 + ? = 13
  10. 10.Riya has 7 pencils and gets 4 pencils more. How many pencils does Riya have now?
  11. 11.5 + ? = 6
  12. 12.There are 6 white kites and 4 yellow kites. How many kites are there in all?
  13. 13.3 + 2 =
  14. 14.5 + 14 =
  15. 15.2 + 6 + 9 =
  16. 16.3 + 8 + 7 =
  17. 17.There are 5 white flowers and 12 yellow flowers. How many flowers are there in all?
  18. 18.8 + 6 + 2 =
  19. 19.? + 1 = 4
  20. 20.Manav has 3 laddoos and gets 5 laddoos more. How many laddoos does Manav have now?
  21. 21.There are 4 red balls and 4 pink balls. How many balls are there in all?
  22. 22.? + 8 = 18
  23. 23.5 + 6 + 4 =
  24. 24.2 + 3 + 2 =
  25. 25.Rahul has 7 mangoes and gets 12 mangoes more. How many mangoes does Rahul have now?
  26. 26.Lakshmi has 8 books and gets 6 books more. How many books does Lakshmi have now?
  27. 27.Pooja has 5 kites and gets 12 kites more. How many kites does Pooja have now?
  28. 28.There are 11 green balls and 2 white balls. How many balls are there in all?
  29. 29.2 + 5 + 5 =
  30. 30.There are 2 green balloons and 9 pink balloons. How many balloons are there in all?
  31. 31.Farhan has 9 crayons and gets 9 crayons more. How many crayons does Farhan have now?
  32. 32.Kavya has 3 laddoos and gets 8 laddoos more. How many laddoos does Kavya have now?
  33. 33.There are 3 blue balls and 15 red balls. How many balls are there in all?
  34. 34.There are 6 blue balloons and 5 white balloons. How many balloons are there in all?
  35. 35.Kavya has 14 books and gets 5 books more. How many books does Kavya have now?
  36. 36.5 + 7 + 6 =
  37. 37.7 + 2 + 8 =
  38. 38.1 + 3 =
  39. 39.1 + ? = 9
  40. 40.? + 2 = 6

Answer key

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

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