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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 746 · 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 9 mangoes and gets 6 mangoes more. How many mangoes does Ananya have now?
  2. 2.Rahul has 2 marbles and gets 14 marbles more. How many marbles does Rahul have now?
  3. 3.6 + 5 + 4 =
  4. 4.Pooja has 4 bananas and gets 2 bananas more. How many bananas does Pooja have now?
  5. 5.1 + 19 =
  6. 6.1 + ? = 3
  7. 7.Isha has 14 pencils and gets 2 pencils more. How many pencils does Isha have now?
  8. 8.There are 9 green kites and 10 pink kites. How many kites are there in all?
  9. 9.There are 9 pink balloons and 9 white balloons. How many balloons are there in all?
  10. 10.3 + ? = 14
  11. 11.Kabir has 8 shells and gets 2 shells more. How many shells does Kabir have now?
  12. 12.There are 4 red kites and 7 pink kites. How many kites are there in all?
  13. 13.10 + 5 =
  14. 14.There are 11 blue beads and 2 yellow beads. How many beads are there in all?
  15. 15.6 + 8 + 6 =
  16. 16.5 + 3 =
  17. 17.Arjun has 7 flowers and gets 13 flowers more. How many flowers does Arjun have now?
  18. 18.Aditya has 12 crayons and gets 2 crayons more. How many crayons does Aditya have now?
  19. 19.17 + 3 =
  20. 20.There are 2 yellow beads and 11 white beads. How many beads are there in all?
  21. 21.4 + 3 =
  22. 22.There are 4 yellow balloons and 5 green balloons. How many balloons are there in all?
  23. 23.1 + 2 + 16 =
  24. 24.6 + ? = 10
  25. 25.13 + 3 =
  26. 26.12 + 3 =
  27. 27.Lakshmi has 5 books and gets 2 books more. How many books does Lakshmi have now?
  28. 28.1 + ? = 5
  29. 29.6 + 4 =
  30. 30.There are 4 red crayons and 13 blue crayons. How many crayons are there in all?
  31. 31.1 + 2 + 12 =
  32. 32.4 + 13 =
  33. 33.16 + 3 =
  34. 34.? + 5 = 6
  35. 35.7 + 8 =
  36. 36.1 + ? = 7
  37. 37.Joseph has 8 mangoes and gets 7 mangoes more. How many mangoes does Joseph have now?
  38. 38.1 + 11 =
  39. 39.Vivaan has 3 laddoos and gets 15 laddoos more. How many laddoos does Vivaan have now?
  40. 40.Zoya has 14 mangoes and gets 6 mangoes more. How many mangoes does Zoya have now?

Answer key

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

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