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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 898 · 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.Arjun has 4 balls and gets 5 balls more. How many balls does Arjun have now?
  2. 2.There are 7 blue kites and 6 green kites. How many kites are there in all?
  3. 3.1 + ? = 3
  4. 4.4 + 3 + 7 =
  5. 5.Rohan has 13 kites and gets 7 kites more. How many kites does Rohan have now?
  6. 6.3 + ? = 4
  7. 7.? + 1 = 12
  8. 8.Isha has 7 mangoes and gets 6 mangoes more. How many mangoes does Isha have now?
  9. 9.? + 1 = 3
  10. 10.? + 15 = 16
  11. 11.3 + 2 + 5 =
  12. 12.Rohan has 7 crayons and gets 4 crayons more. How many crayons does Rohan have now?
  13. 13.1 + 8 =
  14. 14.There are 8 yellow kites and 6 green kites. How many kites are there in all?
  15. 15.? + 3 = 17
  16. 16.There are 5 white flowers and 9 pink flowers. How many flowers are there in all?
  17. 17.7 + 7 =
  18. 18.? + 1 = 5
  19. 19.There are 12 pink beads and 4 yellow beads. How many beads are there in all?
  20. 20.Gurpreet has 3 laddoos and gets 2 laddoos more. How many laddoos does Gurpreet have now?
  21. 21.2 + 5 + 3 =
  22. 22.4 + 12 =
  23. 23.18 + 2 =
  24. 24.There are 10 pink beads and 6 yellow beads. How many beads are there in all?
  25. 25.1 + 1 =
  26. 26.Tara has 12 shells and gets 5 shells more. How many shells does Tara have now?
  27. 27.There are 9 red crayons and 6 green crayons. How many crayons are there in all?
  28. 28.8 + 5 + 4 =
  29. 29.8 + 2 + 9 =
  30. 30.Manav has 5 kites and gets 6 kites more. How many kites does Manav have now?
  31. 31.Pooja has 8 flowers and gets 6 flowers more. How many flowers does Pooja have now?
  32. 32.11 + 9 =
  33. 33.Arjun has 2 kites and gets 7 kites more. How many kites does Arjun have now?
  34. 34.14 + 1 =
  35. 35.11 + ? = 15
  36. 36.11 + 6 =
  37. 37.1 + ? = 8
  38. 38.Tara has 4 crayons and gets 2 crayons more. How many crayons does Tara have now?
  39. 39.4 + 7 + 3 =
  40. 40.There are 2 blue kites and 11 yellow kites. How many kites are there in all?

Answer key

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

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