← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 803 · 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. 1.8 + 5 =
  2. 2.Kavya has 2 mangoes and gets 6 mangoes more. How many mangoes does Kavya have now?
  3. 3.Pooja has 3 balls and gets 2 balls more. How many balls does Pooja have now?
  4. 4.1 + 7 + 4 =
  5. 5.9 + 4 =
  6. 6.? + 4 = 8
  7. 7.There are 9 blue balloons and 4 red balloons. How many balloons are there in all?
  8. 8.7 + 6 =
  9. 9.? + 14 = 20
  10. 10.1 + ? = 3
  11. 11.2 + 7 =
  12. 12.There are 10 white flowers and 5 green flowers. How many flowers are there in all?
  13. 13.There are 8 white flowers and 8 green flowers. How many flowers are there in all?
  14. 14.3 + 2 + 2 =
  15. 15.Nisha has 14 pencils and gets 6 pencils more. How many pencils does Nisha have now?
  16. 16.1 + 2 + 4 =
  17. 17.7 + ? = 9
  18. 18.7 + 5 + 2 =
  19. 19.Arjun has 10 pencils and gets 6 pencils more. How many pencils does Arjun have now?
  20. 20.19 + 1 =
  21. 21.2 + 6 + 3 =
  22. 22.Aarav has 4 pencils and gets 5 pencils more. How many pencils does Aarav have now?
  23. 23.8 + 5 + 2 =
  24. 24.14 + 6 =
  25. 25.There are 2 red balls and 2 blue balls. How many balls are there in all?
  26. 26.4 + 5 + 8 =
  27. 27.1 + 3 + 5 =
  28. 28.10 + ? = 14
  29. 29.There are 8 green kites and 9 blue kites. How many kites are there in all?
  30. 30.17 + ? = 19
  31. 31.1 + 6 + 7 =
  32. 32.? + 2 = 6
  33. 33.? + 2 = 13
  34. 34.Nisha has 7 mangoes and gets 10 mangoes more. How many mangoes does Nisha have now?
  35. 35.7 + 4 + 9 =
  36. 36.1 + 14 =
  37. 37.9 + 11 =
  38. 38.Isha has 2 bananas and gets 8 bananas more. How many bananas does Isha have now?
  39. 39.There are 5 red beads and 7 blue beads. How many beads are there in all?
  40. 40.3 + 11 =

Answer key

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

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