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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 621 · 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.Riya has 6 kites and gets 8 kites more. How many kites does Riya have now?
  2. 2.There are 4 red flowers and 3 green flowers. How many flowers are there in all?
  3. 3.2 + ? = 5
  4. 4.Isha has 14 flowers and gets 2 flowers more. How many flowers does Isha have now?
  5. 5.? + 1 = 4
  6. 6.? + 1 = 7
  7. 7.Pooja has 9 balls and gets 6 balls more. How many balls does Pooja have now?
  8. 8.Kabir has 6 kites and gets 2 kites more. How many kites does Kabir have now?
  9. 9.18 + 1 =
  10. 10.1 + ? = 8
  11. 11.6 + 8 + 3 =
  12. 12.Rohan has 5 crayons and gets 13 crayons more. How many crayons does Rohan have now?
  13. 13.4 + 2 + 6 =
  14. 14.There are 9 red kites and 9 pink kites. How many kites are there in all?
  15. 15.11 + 2 =
  16. 16.There are 6 white flowers and 7 yellow flowers. How many flowers are there in all?
  17. 17.5 + 5 + 9 =
  18. 18.There are 11 yellow kites and 6 green kites. How many kites are there in all?
  19. 19.2 + 3 + 14 =
  20. 20.Aditya has 14 flowers and gets 3 flowers more. How many flowers does Aditya have now?
  21. 21.1 + ? = 9
  22. 22.There are 4 green beads and 3 red beads. How many beads are there in all?
  23. 23.Ananya has 7 flowers and gets 10 flowers more. How many flowers does Ananya have now?
  24. 24.6 + 2 + 3 =
  25. 25.11 + 5 =
  26. 26.4 + 15 =
  27. 27.There are 5 red crayons and 2 blue crayons. How many crayons are there in all?
  28. 28.Saanvi has 11 mangoes and gets 9 mangoes more. How many mangoes does Saanvi have now?
  29. 29.Meera has 11 marbles and gets 4 marbles more. How many marbles does Meera have now?
  30. 30.There are 5 pink crayons and 14 green crayons. How many crayons are there in all?
  31. 31.3 + ? = 4
  32. 32.Tara has 6 bananas and gets 13 bananas more. How many bananas does Tara have now?
  33. 33.Arjun has 11 balls and gets 5 balls more. How many balls does Arjun have now?
  34. 34.5 + 7 =
  35. 35.Aditya has 10 flowers and gets 10 flowers more. How many flowers does Aditya have now?
  36. 36.? + 3 = 16
  37. 37.8 + ? = 17
  38. 38.Ishaan has 5 crayons and gets 10 crayons more. How many crayons does Ishaan have now?
  39. 39.8 + 2 + 8 =
  40. 40.6 + 9 =

Answer key

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

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