← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 412 · 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. 1.5 + 7 + 6 =
  2. 2.5 + 3 + 2 =
  3. 3.1 + ? = 3
  4. 4.7 + 3 =
  5. 5.There are 5 white beads and 5 red beads. How many beads are there in all?
  6. 6.1 + 8 + 5 =
  7. 7.Aditya has 13 laddoos and gets 6 laddoos more. How many laddoos does Aditya have now?
  8. 8.19 + 1 =
  9. 9.2 + 6 + 6 =
  10. 10.2 + 13 =
  11. 11.1 + 1 + 10 =
  12. 12.There are 5 blue flowers and 15 yellow flowers. How many flowers are there in all?
  13. 13.Farhan has 4 mangoes and gets 8 mangoes more. How many mangoes does Farhan have now?
  14. 14.3 + ? = 7
  15. 15.3 + 3 =
  16. 16.There are 11 pink kites and 7 yellow kites. How many kites are there in all?
  17. 17.3 + 8 + 2 =
  18. 18.Nisha has 12 kites and gets 4 kites more. How many kites does Nisha have now?
  19. 19.14 + 2 =
  20. 20.5 + ? = 10
  21. 21.There are 9 green balloons and 10 white balloons. How many balloons are there in all?
  22. 22.Karan has 14 mangoes and gets 6 mangoes more. How many mangoes does Karan have now?
  23. 23.3 + 6 + 1 =
  24. 24.8 + 3 + 8 =
  25. 25.4 + 1 =
  26. 26.Vivaan has 3 balloons and gets 12 balloons more. How many balloons does Vivaan have now?
  27. 27.4 + 7 + 9 =
  28. 28.8 + 12 =
  29. 29.? + 1 = 7
  30. 30.Vivaan has 2 kites and gets 15 kites more. How many kites does Vivaan have now?
  31. 31.11 + 2 =
  32. 32.10 + ? = 13
  33. 33.There are 5 yellow beads and 3 blue beads. How many beads are there in all?
  34. 34.3 + 1 =
  35. 35.Meera has 5 marbles and gets 4 marbles more. How many marbles does Meera have now?
  36. 36.Sneha has 5 balloons and gets 15 balloons more. How many balloons does Sneha have now?
  37. 37.2 + 9 =
  38. 38.1 + 2 + 3 =
  39. 39.There are 4 blue crayons and 2 white crayons. How many crayons are there in all?
  40. 40.There are 4 blue flowers and 3 yellow flowers. How many flowers are there in all?

Answer key

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

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