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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 169 · 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.Nisha has 14 marbles and gets 3 marbles more. How many marbles does Nisha have now?
  2. 2.5 + 2 + 6 =
  3. 3.Tara has 5 marbles and gets 5 marbles more. How many marbles does Tara have now?
  4. 4.Joseph has 12 laddoos and gets 4 laddoos more. How many laddoos does Joseph have now?
  5. 5.There are 10 yellow kites and 3 red kites. How many kites are there in all?
  6. 6.Manav has 11 mangoes and gets 1 mango more. How many mangoes does Manav have now?
  7. 7.Joseph has 6 balls and gets 4 balls more. How many balls does Joseph have now?
  8. 8.2 + 5 + 12 =
  9. 9.15 + 2 =
  10. 10.There are 6 green kites and 2 pink kites. How many kites are there in all?
  11. 11.? + 2 = 12
  12. 12.4 + 1 + 11 =
  13. 13.Isha has 6 balls and gets 6 balls more. How many balls does Isha have now?
  14. 14.4 + 16 =
  15. 15.Joseph has 13 pencils and gets 4 pencils more. How many pencils does Joseph have now?
  16. 16.There are 3 yellow balloons and 13 pink balloons. How many balloons are there in all?
  17. 17.There are 5 green beads and 2 red beads. How many beads are there in all?
  18. 18.16 + 1 =
  19. 19.18 + 2 =
  20. 20.2 + 16 =
  21. 21.9 + 1 =
  22. 22.Manav has 10 books and gets 5 books more. How many books does Manav have now?
  23. 23.Tara has 14 pencils and gets 1 pencil more. How many pencils does Tara have now?
  24. 24.1 + 8 + 9 =
  25. 25.? + 1 = 7
  26. 26.There are 2 pink kites and 11 white kites. How many kites are there in all?
  27. 27.9 + 9 =
  28. 28.Pooja has 14 books and gets 1 book more. How many books does Pooja have now?
  29. 29.Tara has 11 balls and gets 8 balls more. How many balls does Tara have now?
  30. 30.There are 2 yellow balloons and 4 red balloons. How many balloons are there in all?
  31. 31.? + 6 = 9
  32. 32.5 + 3 + 6 =
  33. 33.Riya has 3 balloons and gets 6 balloons more. How many balloons does Riya have now?
  34. 34.There are 12 white kites and 6 pink kites. How many kites are there in all?
  35. 35.Aditya has 15 marbles and gets 2 marbles more. How many marbles does Aditya have now?
  36. 36.There are 7 white balls and 10 pink balls. How many balls are there in all?
  37. 37.18 + ? = 19
  38. 38.There are 8 pink flowers and 7 white flowers. How many flowers are there in all?
  39. 39.There are 5 red flowers and 14 white flowers. How many flowers are there in all?
  40. 40.8 + 1 + 4 =

Answer key

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

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