← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 461 · 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. 1.1 + 4 + 14 =
  2. 2.2 + 1 =
  3. 3.7 + 3 =
  4. 4.Karan has 7 flowers and gets 13 flowers more. How many flowers does Karan have now?
  5. 5.8 + 8 + 2 =
  6. 6.Nisha has 15 balls and gets 5 balls more. How many balls does Nisha have now?
  7. 7.4 + ? = 13
  8. 8.There are 3 blue flowers and 17 yellow flowers. How many flowers are there in all?
  9. 9.2 + 3 =
  10. 10.? + 1 = 3
  11. 11.4 + 10 =
  12. 12.8 + 6 + 5 =
  13. 13.5 + ? = 8
  14. 14.1 + 2 + 14 =
  15. 15.Karan has 8 kites and gets 3 kites more. How many kites does Karan have now?
  16. 16.19 + 1 =
  17. 17.Lakshmi has 2 kites and gets 18 kites more. How many kites does Lakshmi have now?
  18. 18.6 + ? = 9
  19. 19.4 + 6 + 1 =
  20. 20.8 + 10 =
  21. 21.Sneha has 14 pencils and gets 6 pencils more. How many pencils does Sneha have now?
  22. 22.10 + 3 =
  23. 23.2 + ? = 4
  24. 24.Rohan has 5 mangoes and gets 13 mangoes more. How many mangoes does Rohan have now?
  25. 25.Ishaan has 3 kites and gets 15 kites more. How many kites does Ishaan have now?
  26. 26.5 + 5 + 9 =
  27. 27.Farhan has 6 pencils and gets 3 pencils more. How many pencils does Farhan have now?
  28. 28.4 + 6 + 5 =
  29. 29.3 + ? = 4
  30. 30.? + 2 = 3
  31. 31.There are 3 red balloons and 15 green balloons. How many balloons are there in all?
  32. 32.6 + 12 =
  33. 33.1 + 3 + 2 =
  34. 34.2 + ? = 8
  35. 35.3 + ? = 7
  36. 36.1 + ? = 3
  37. 37.There are 5 yellow balloons and 10 white balloons. How many balloons are there in all?
  38. 38.9 + 5 =
  39. 39.11 + 1 =
  40. 40.There are 12 yellow balls and 8 pink balls. How many balls are there in all?

Answer key

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

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