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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 597 · 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.Ananya has 14 balls and gets 1 ball more. How many balls does Ananya have now?
  2. 2.1 + 7 + 7 =
  3. 3.1 + 11 =
  4. 4.Rohan has 5 balls and gets 7 balls more. How many balls does Rohan have now?
  5. 5.? + 3 = 16
  6. 6.5 + 2 + 4 =
  7. 7.Meera has 12 shells and gets 5 shells more. How many shells does Meera have now?
  8. 8.7 + 4 + 8 =
  9. 9.3 + 11 =
  10. 10.1 + 1 =
  11. 11.1 + 2 + 14 =
  12. 12.10 + 7 =
  13. 13.There are 2 yellow balls and 16 pink balls. How many balls are there in all?
  14. 14.19 + 1 =
  15. 15.18 + 2 =
  16. 16.Rahul has 12 shells and gets 3 shells more. How many shells does Rahul have now?
  17. 17.Vivaan has 2 balloons and gets 17 balloons more. How many balloons does Vivaan have now?
  18. 18.12 + 7 =
  19. 19.There are 6 white crayons and 7 yellow crayons. How many crayons are there in all?
  20. 20.4 + 4 =
  21. 21.There are 12 blue crayons and 3 green crayons. How many crayons are there in all?
  22. 22.There are 10 pink kites and 7 red kites. How many kites are there in all?
  23. 23.There are 2 blue flowers and 12 yellow flowers. How many flowers are there in all?
  24. 24.? + 1 = 4
  25. 25.10 + 10 =
  26. 26.? + 11 = 14
  27. 27.5 + 4 + 6 =
  28. 28.Farhan has 7 laddoos and gets 4 laddoos more. How many laddoos does Farhan have now?
  29. 29.Ananya has 7 bananas and gets 10 bananas more. How many bananas does Ananya have now?
  30. 30.3 + 8 + 9 =
  31. 31.There are 3 yellow beads and 17 white beads. How many beads are there in all?
  32. 32.Diya has 5 crayons and gets 5 crayons more. How many crayons does Diya have now?
  33. 33.? + 1 = 14
  34. 34.1 + 16 =
  35. 35.Tara has 12 bananas and gets 2 bananas more. How many bananas does Tara have now?
  36. 36.16 + 1 =
  37. 37.Priya has 12 pencils and gets 6 pencils more. How many pencils does Priya have now?
  38. 38.There are 5 red flowers and 13 blue flowers. How many flowers are there in all?
  39. 39.There are 12 blue kites and 4 yellow kites. How many kites are there in all?
  40. 40.Dev has 15 pencils and gets 2 pencils more. How many pencils does Dev have now?

Answer key

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

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