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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 164 · 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.Zoya has 15 bananas and gets 1 banana more. How many bananas does Zoya have now?
  2. 2.6 + 4 + 2 =
  3. 3.There are 6 green crayons and 14 red crayons. How many crayons are there in all?
  4. 4.5 + ? = 8
  5. 5.There are 3 red kites and 2 pink kites. How many kites are there in all?
  6. 6.7 + 12 =
  7. 7.Manav has 5 shells and gets 6 shells more. How many shells does Manav have now?
  8. 8.6 + 6 + 2 =
  9. 9.Isha has 6 books and gets 10 books more. How many books does Isha have now?
  10. 10.7 + 4 + 2 =
  11. 11.Kabir has 5 flowers and gets 15 flowers more. How many flowers does Kabir have now?
  12. 12.? + 8 = 9
  13. 13.6 + 8 + 4 =
  14. 14.17 + 3 =
  15. 15.9 + 5 =
  16. 16.15 + 1 =
  17. 17.Tara has 14 balloons and gets 2 balloons more. How many balloons does Tara have now?
  18. 18.15 + 3 =
  19. 19.Saanvi has 2 mangoes and gets 2 mangoes more. How many mangoes does Saanvi have now?
  20. 20.1 + 6 + 9 =
  21. 21.There are 2 pink balls and 12 green balls. How many balls are there in all?
  22. 22.Pooja has 5 books and gets 13 books more. How many books does Pooja have now?
  23. 23.2 + ? = 6
  24. 24.Saanvi has 9 balloons and gets 10 balloons more. How many balloons does Saanvi have now?
  25. 25.19 + 1 =
  26. 26.? + 8 = 11
  27. 27.11 + 2 =
  28. 28.5 + 4 =
  29. 29.There are 8 green beads and 3 white beads. How many beads are there in all?
  30. 30.11 + 9 =
  31. 31.3 + 3 + 6 =
  32. 32.2 + ? = 3
  33. 33.6 + 8 + 5 =
  34. 34.7 + 7 + 4 =
  35. 35.3 + 5 + 9 =
  36. 36.8 + 7 + 4 =
  37. 37.13 + 1 =
  38. 38.There are 4 blue crayons and 12 green crayons. How many crayons are there in all?
  39. 39.Kabir has 10 shells and gets 9 shells more. How many shells does Kabir have now?
  40. 40.? + 4 = 7

Answer key

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

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