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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 593 · 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.There are 4 blue crayons and 6 white crayons. How many crayons are there in all?
  2. 2.Manav has 2 flowers and gets 4 flowers more. How many flowers does Manav have now?
  3. 3.7 + 5 + 4 =
  4. 4.There are 9 white balloons and 8 blue balloons. How many balloons are there in all?
  5. 5.10 + ? = 17
  6. 6.12 + 1 =
  7. 7.There are 6 white flowers and 9 blue flowers. How many flowers are there in all?
  8. 8.2 + 3 + 6 =
  9. 9.1 + 2 + 3 =
  10. 10.Dev has 3 balls and gets 4 balls more. How many balls does Dev have now?
  11. 11.17 + 1 =
  12. 12.12 + 5 =
  13. 13.Farhan has 8 flowers and gets 9 flowers more. How many flowers does Farhan have now?
  14. 14.Saanvi has 6 mangoes and gets 1 mango more. How many mangoes does Saanvi have now?
  15. 15.Sneha has 5 flowers and gets 13 flowers more. How many flowers does Sneha have now?
  16. 16.3 + 5 =
  17. 17.2 + 13 =
  18. 18.2 + ? = 18
  19. 19.5 + 12 =
  20. 20.There are 3 red kites and 2 white kites. How many kites are there in all?
  21. 21.Nisha has 8 shells and gets 7 shells more. How many shells does Nisha have now?
  22. 22.7 + 2 + 7 =
  23. 23.7 + 6 =
  24. 24.? + 9 = 12
  25. 25.There are 7 white beads and 6 pink beads. How many beads are there in all?
  26. 26.2 + ? = 5
  27. 27.Karan has 4 kites and gets 13 kites more. How many kites does Karan have now?
  28. 28.1 + 4 + 9 =
  29. 29.6 + 12 =
  30. 30.? + 1 = 3
  31. 31.15 + 1 =
  32. 32.1 + 4 + 13 =
  33. 33.There are 4 yellow balls and 14 red balls. How many balls are there in all?
  34. 34.Meera has 3 laddoos and gets 1 laddoo more. How many laddoos does Meera have now?
  35. 35.Ananya has 4 bananas and gets 14 bananas more. How many bananas does Ananya have now?
  36. 36.9 + 5 =
  37. 37.There are 11 pink flowers and 8 blue flowers. How many flowers are there in all?
  38. 38.Aditya has 10 laddoos and gets 5 laddoos more. How many laddoos does Aditya have now?
  39. 39.5 + 7 + 1 =
  40. 40.There are 9 white kites and 7 blue kites. How many kites are there in all?

Answer key

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

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