← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 409 · 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. 1.17 + 2 =
  2. 2.There are 5 green balloons and 5 red balloons. How many balloons are there in all?
  3. 3.Kabir has 13 mangoes and gets 4 mangoes more. How many mangoes does Kabir have now?
  4. 4.There are 3 blue flowers and 10 white flowers. How many flowers are there in all?
  5. 5.7 + 2 + 3 =
  6. 6.7 + 6 + 6 =
  7. 7.Arjun has 13 mangoes and gets 5 mangoes more. How many mangoes does Arjun have now?
  8. 8.Farhan has 6 balls and gets 9 balls more. How many balls does Farhan have now?
  9. 9.Arjun has 7 books and gets 2 books more. How many books does Arjun have now?
  10. 10.There are 9 pink kites and 8 green kites. How many kites are there in all?
  11. 11.There are 6 red balloons and 9 blue balloons. How many balloons are there in all?
  12. 12.? + 2 = 4
  13. 13.3 + ? = 7
  14. 14.There are 6 white crayons and 6 red crayons. How many crayons are there in all?
  15. 15.3 + 11 =
  16. 16.8 + 2 + 8 =
  17. 17.4 + ? = 19
  18. 18.Farhan has 3 balloons and gets 13 balloons more. How many balloons does Farhan have now?
  19. 19.13 + ? = 16
  20. 20.Diya has 6 kites and gets 11 kites more. How many kites does Diya have now?
  21. 21.There are 11 red beads and 9 blue beads. How many beads are there in all?
  22. 22.8 + 7 + 4 =
  23. 23.9 + 6 =
  24. 24.6 + 6 + 3 =
  25. 25.There are 11 blue beads and 8 red beads. How many beads are there in all?
  26. 26.Kabir has 8 bananas and gets 6 bananas more. How many bananas does Kabir have now?
  27. 27.There are 4 white crayons and 3 red crayons. How many crayons are there in all?
  28. 28.12 + 6 =
  29. 29.1 + ? = 4
  30. 30.2 + 2 + 13 =
  31. 31.There are 12 red beads and 2 white beads. How many beads are there in all?
  32. 32.5 + 2 =
  33. 33.There are 9 white kites and 8 red kites. How many kites are there in all?
  34. 34.Ananya has 12 kites and gets 4 kites more. How many kites does Ananya have now?
  35. 35.4 + 3 + 4 =
  36. 36.1 + 7 + 8 =
  37. 37.There are 9 red flowers and 2 green flowers. How many flowers are there in all?
  38. 38.6 + 3 =
  39. 39.11 + 3 =
  40. 40.1 + ? = 8

Answer key

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

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