← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 525 · 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.There are 6 white crayons and 2 pink crayons. How many crayons are there in all?
  2. 2.8 + 3 + 5 =
  3. 3.? + 3 = 6
  4. 4.10 + ? = 18
  5. 5.12 + ? = 15
  6. 6.There are 10 pink crayons and 2 yellow crayons. How many crayons are there in all?
  7. 7.Nisha has 8 balloons and gets 9 balloons more. How many balloons does Nisha have now?
  8. 8.There are 8 yellow crayons and 8 pink crayons. How many crayons are there in all?
  9. 9.9 + 7 =
  10. 10.5 + ? = 19
  11. 11.3 + ? = 11
  12. 12.Rahul has 3 balloons and gets 6 balloons more. How many balloons does Rahul have now?
  13. 13.Aarav has 14 mangoes and gets 2 mangoes more. How many mangoes does Aarav have now?
  14. 14.Joseph has 4 flowers and gets 7 flowers more. How many flowers does Joseph have now?
  15. 15.There are 7 yellow crayons and 11 blue crayons. How many crayons are there in all?
  16. 16.? + 1 = 11
  17. 17.2 + 7 + 11 =
  18. 18.3 + 5 =
  19. 19.There are 12 white balls and 2 yellow balls. How many balls are there in all?
  20. 20.13 + 5 =
  21. 21.? + 6 = 9
  22. 22.There are 4 red balloons and 16 white balloons. How many balloons are there in all?
  23. 23.18 + 2 =
  24. 24.There are 4 blue balls and 12 yellow balls. How many balls are there in all?
  25. 25.8 + 1 + 3 =
  26. 26.? + 3 = 18
  27. 27.15 + 5 =
  28. 28.There are 3 red flowers and 15 white flowers. How many flowers are there in all?
  29. 29.7 + 3 =
  30. 30.There are 9 green balloons and 5 blue balloons. How many balloons are there in all?
  31. 31.8 + 2 + 10 =
  32. 32.Kabir has 11 books and gets 2 books more. How many books does Kabir have now?
  33. 33.There are 3 green balls and 16 yellow balls. How many balls are there in all?
  34. 34.4 + 4 + 4 =
  35. 35.? + 10 = 12
  36. 36.There are 7 green crayons and 4 pink crayons. How many crayons are there in all?
  37. 37.7 + 6 + 5 =
  38. 38.? + 11 = 12
  39. 39.Diya has 10 balloons and gets 8 balloons more. How many balloons does Diya have now?
  40. 40.? + 6 = 8

Answer key

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

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