← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 361 · 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. 1.3 + 13 =
  2. 2.Nisha has 3 kites and gets 17 kites more. How many kites does Nisha have now?
  3. 3.1 + 1 =
  4. 4.? + 12 = 18
  5. 5.Rohan has 2 balls and gets 4 balls more. How many balls does Rohan have now?
  6. 6.There are 6 red balls and 9 white balls. How many balls are there in all?
  7. 7.6 + 9 =
  8. 8.2 + ? = 15
  9. 9.16 + 2 =
  10. 10.4 + 4 + 1 =
  11. 11.Riya has 8 shells and gets 5 shells more. How many shells does Riya have now?
  12. 12.There are 5 pink flowers and 5 blue flowers. How many flowers are there in all?
  13. 13.There are 6 red balls and 11 white balls. How many balls are there in all?
  14. 14.7 + 3 + 3 =
  15. 15.9 + 8 =
  16. 16.Isha has 5 mangoes and gets 9 mangoes more. How many mangoes does Isha have now?
  17. 17.There are 12 blue balloons and 7 white balloons. How many balloons are there in all?
  18. 18.There are 10 pink crayons and 3 blue crayons. How many crayons are there in all?
  19. 19.7 + ? = 9
  20. 20.There are 11 white balloons and 3 red balloons. How many balloons are there in all?
  21. 21.2 + ? = 10
  22. 22.7 + 2 + 6 =
  23. 23.7 + 4 =
  24. 24.2 + ? = 9
  25. 25.? + 5 = 10
  26. 26.5 + 7 =
  27. 27.There are 10 red beads and 2 yellow beads. How many beads are there in all?
  28. 28.8 + 7 + 1 =
  29. 29.There are 5 red beads and 3 pink beads. How many beads are there in all?
  30. 30.5 + 8 + 6 =
  31. 31.5 + 2 =
  32. 32.6 + 1 + 12 =
  33. 33.Rohan has 12 books and gets 2 books more. How many books does Rohan have now?
  34. 34.5 + ? = 8
  35. 35.There are 10 white balloons and 9 blue balloons. How many balloons are there in all?
  36. 36.? + 5 = 18
  37. 37.16 + 1 =
  38. 38.2 + 1 + 14 =
  39. 39.7 + 6 + 4 =
  40. 40.6 + 13 =

Answer key

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

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