← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 430 · 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.Lakshmi has 15 mangoes and gets 5 mangoes more. How many mangoes does Lakshmi have now?
  2. 2.11 + ? = 14
  3. 3.Lakshmi has 7 pencils and gets 13 pencils more. How many pencils does Lakshmi have now?
  4. 4.2 + 1 + 11 =
  5. 5.12 + 2 =
  6. 6.1 + 5 =
  7. 7.2 + 12 =
  8. 8.? + 1 = 7
  9. 9.4 + 7 + 5 =
  10. 10.There are 4 blue balloons and 11 yellow balloons. How many balloons are there in all?
  11. 11.11 + 6 =
  12. 12.2 + 4 + 2 =
  13. 13.8 + 1 + 10 =
  14. 14.There are 4 green kites and 15 blue kites. How many kites are there in all?
  15. 15.2 + ? = 14
  16. 16.Farhan has 13 crayons and gets 3 crayons more. How many crayons does Farhan have now?
  17. 17.1 + ? = 11
  18. 18.1 + 3 + 2 =
  19. 19.? + 10 = 13
  20. 20.? + 6 = 12
  21. 21.5 + 2 + 3 =
  22. 22.Farhan has 15 laddoos and gets 2 laddoos more. How many laddoos does Farhan have now?
  23. 23.7 + 1 + 7 =
  24. 24.2 + 1 =
  25. 25.2 + 3 + 2 =
  26. 26.Manav has 13 crayons and gets 7 crayons more. How many crayons does Manav have now?
  27. 27.Zoya has 9 kites and gets 8 kites more. How many kites does Zoya have now?
  28. 28.17 + 3 =
  29. 29.2 + ? = 4
  30. 30.7 + 12 =
  31. 31.There are 6 white balls and 9 pink balls. How many balls are there in all?
  32. 32.13 + ? = 18
  33. 33.2 + 5 + 12 =
  34. 34.5 + 3 + 8 =
  35. 35.There are 3 red beads and 8 white beads. How many beads are there in all?
  36. 36.4 + 15 =
  37. 37.There are 12 red balloons and 6 blue balloons. How many balloons are there in all?
  38. 38.1 + 11 =
  39. 39.7 + ? = 9
  40. 40.Priya has 14 kites and gets 5 kites more. How many kites does Priya have now?

Answer key

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

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