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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 31 · 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.Meera has 14 pencils and gets 3 pencils more. How many pencils does Meera have now?
  2. 2.There are 12 white kites and 2 green kites. How many kites are there in all?
  3. 3.Rohan has 10 marbles and gets 6 marbles more. How many marbles does Rohan have now?
  4. 4.Dev has 8 mangoes and gets 7 mangoes more. How many mangoes does Dev have now?
  5. 5.There are 4 pink balloons and 3 yellow balloons. How many balloons are there in all?
  6. 6.There are 2 red balls and 14 yellow balls. How many balls are there in all?
  7. 7.5 + 7 + 1 =
  8. 8.4 + 4 =
  9. 9.There are 7 green balloons and 5 red balloons. How many balloons are there in all?
  10. 10.11 + 6 =
  11. 11.There are 6 red balloons and 9 green balloons. How many balloons are there in all?
  12. 12.4 + 8 =
  13. 13.3 + 16 =
  14. 14.Priya has 13 marbles and gets 6 marbles more. How many marbles does Priya have now?
  15. 15.8 + 9 =
  16. 16.Aditya has 6 books and gets 9 books more. How many books does Aditya have now?
  17. 17.11 + 9 =
  18. 18.There are 3 yellow beads and 7 red beads. How many beads are there in all?
  19. 19.There are 10 white beads and 8 red beads. How many beads are there in all?
  20. 20.There are 3 yellow beads and 6 red beads. How many beads are there in all?
  21. 21.? + 2 = 3
  22. 22.There are 11 red beads and 9 pink beads. How many beads are there in all?
  23. 23.5 + 3 + 6 =
  24. 24.? + 5 = 6
  25. 25.There are 6 green beads and 14 pink beads. How many beads are there in all?
  26. 26.7 + 3 =
  27. 27.10 + 9 =
  28. 28.Priya has 14 flowers and gets 3 flowers more. How many flowers does Priya have now?
  29. 29.19 + 1 =
  30. 30.6 + 9 =
  31. 31.Sneha has 15 kites and gets 4 kites more. How many kites does Sneha have now?
  32. 32.Joseph has 8 shells and gets 8 shells more. How many shells does Joseph have now?
  33. 33.2 + 4 + 9 =
  34. 34.Zoya has 14 bananas and gets 4 bananas more. How many bananas does Zoya have now?
  35. 35.2 + 8 + 2 =
  36. 36.11 + ? = 14
  37. 37.16 + ? = 19
  38. 38.There are 11 pink flowers and 6 white flowers. How many flowers are there in all?
  39. 39.There are 11 green balloons and 8 blue balloons. How many balloons are there in all?
  40. 40.There are 5 white kites and 13 yellow kites. How many kites are there in all?

Answer key

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

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