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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 567 · 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.Aarav has 3 bananas and gets 13 bananas more. How many bananas does Aarav have now?
  2. 2.There are 11 red balloons and 7 green balloons. How many balloons are there in all?
  3. 3.? + 2 = 6
  4. 4.1 + 3 + 1 =
  5. 5.Sneha has 10 shells and gets 9 shells more. How many shells does Sneha have now?
  6. 6.6 + 2 =
  7. 7.? + 2 = 8
  8. 8.5 + 3 =
  9. 9.6 + 9 =
  10. 10.Farhan has 4 laddoos and gets 10 laddoos more. How many laddoos does Farhan have now?
  11. 11.3 + 2 =
  12. 12.3 + ? = 10
  13. 13.There are 7 red beads and 12 green beads. How many beads are there in all?
  14. 14.Lakshmi has 13 balloons and gets 1 balloon more. How many balloons does Lakshmi have now?
  15. 15.Isha has 3 flowers and gets 4 flowers more. How many flowers does Isha have now?
  16. 16.There are 2 blue beads and 8 white beads. How many beads are there in all?
  17. 17.3 + 3 + 14 =
  18. 18.There are 2 pink balls and 17 green balls. How many balls are there in all?
  19. 19.? + 4 = 10
  20. 20.There are 11 red flowers and 6 pink flowers. How many flowers are there in all?
  21. 21.There are 5 yellow balloons and 9 white balloons. How many balloons are there in all?
  22. 22.13 + ? = 16
  23. 23.4 + ? = 7
  24. 24.Rahul has 15 marbles and gets 2 marbles more. How many marbles does Rahul have now?
  25. 25.12 + 7 =
  26. 26.? + 2 = 3
  27. 27.There are 8 blue flowers and 6 red flowers. How many flowers are there in all?
  28. 28.4 + 4 + 2 =
  29. 29.There are 11 red crayons and 3 pink crayons. How many crayons are there in all?
  30. 30.? + 10 = 17
  31. 31.There are 3 blue balloons and 10 green balloons. How many balloons are there in all?
  32. 32.Pooja has 12 bananas and gets 7 bananas more. How many bananas does Pooja have now?
  33. 33.1 + 4 + 4 =
  34. 34.? + 3 = 4
  35. 35.Kavya has 11 laddoos and gets 5 laddoos more. How many laddoos does Kavya have now?
  36. 36.17 + 2 =
  37. 37.There are 3 yellow flowers and 16 blue flowers. How many flowers are there in all?
  38. 38.Zoya has 10 shells and gets 7 shells more. How many shells does Zoya have now?
  39. 39.There are 3 blue balls and 2 yellow balls. How many balls are there in all?
  40. 40.13 + 5 =

Answer key

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

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