← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 3 · 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. 1.4 + ? = 10
  2. 2.There are 10 blue balls and 4 white balls. How many balls are there in all?
  3. 3.11 + 2 =
  4. 4.13 + 6 =
  5. 5.1 + ? = 6
  6. 6.? + 3 = 18
  7. 7.Farhan has 8 books and gets 3 books more. How many books does Farhan have now?
  8. 8.2 + 3 =
  9. 9.There are 2 yellow crayons and 6 red crayons. How many crayons are there in all?
  10. 10.4 + 1 =
  11. 11.Riya has 15 bananas and gets 1 banana more. How many bananas does Riya have now?
  12. 12.Ishaan has 4 books and gets 14 books more. How many books does Ishaan have now?
  13. 13.? + 18 = 19
  14. 14.9 + ? = 18
  15. 15.There are 12 white beads and 2 green beads. How many beads are there in all?
  16. 16.Meera has 8 bananas and gets 5 bananas more. How many bananas does Meera have now?
  17. 17.Ishaan has 10 kites and gets 9 kites more. How many kites does Ishaan have now?
  18. 18.Lakshmi has 11 bananas and gets 6 bananas more. How many bananas does Lakshmi have now?
  19. 19.There are 3 pink kites and 3 red kites. How many kites are there in all?
  20. 20.Meera has 2 flowers and gets 18 flowers more. How many flowers does Meera have now?
  21. 21.1 + 7 =
  22. 22.Priya has 6 bananas and gets 10 bananas more. How many bananas does Priya have now?
  23. 23.There are 11 white balloons and 9 pink balloons. How many balloons are there in all?
  24. 24.There are 9 blue balls and 7 white balls. How many balls are there in all?
  25. 25.? + 9 = 10
  26. 26.There are 2 pink flowers and 12 green flowers. How many flowers are there in all?
  27. 27.8 + 8 + 4 =
  28. 28.13 + ? = 15
  29. 29.7 + 5 + 3 =
  30. 30.6 + 7 + 5 =
  31. 31.14 + 3 =
  32. 32.5 + 5 + 6 =
  33. 33.5 + 2 + 5 =
  34. 34.8 + 3 + 4 =
  35. 35.? + 11 = 19
  36. 36.Kavya has 2 balls and gets 3 balls more. How many balls does Kavya have now?
  37. 37.There are 5 red flowers and 12 pink flowers. How many flowers are there in all?
  38. 38.Kabir has 12 shells and gets 7 shells more. How many shells does Kabir have now?
  39. 39.There are 5 red flowers and 2 green flowers. How many flowers are there in all?
  40. 40.There are 8 green balls and 9 white balls. How many balls are there in all?

Answer key

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

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets