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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 676 · 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.Karan has 5 bananas and gets 6 bananas more. How many bananas does Karan have now?
  2. 2.Isha has 9 balls and gets 6 balls more. How many balls does Isha have now?
  3. 3.Lakshmi has 8 shells and gets 8 shells more. How many shells does Lakshmi have now?
  4. 4.There are 4 white kites and 8 red kites. How many kites are there in all?
  5. 5.? + 3 = 15
  6. 6.Nisha has 11 laddoos and gets 6 laddoos more. How many laddoos does Nisha have now?
  7. 7.Tara has 14 balls and gets 3 balls more. How many balls does Tara have now?
  8. 8.1 + 12 =
  9. 9.Gurpreet has 14 kites and gets 5 kites more. How many kites does Gurpreet have now?
  10. 10.2 + 8 + 3 =
  11. 11.? + 1 = 7
  12. 12.? + 4 = 10
  13. 13.3 + 1 + 1 =
  14. 14.Kavya has 4 mangoes and gets 3 mangoes more. How many mangoes does Kavya have now?
  15. 15.4 + 8 + 8 =
  16. 16.4 + 6 + 9 =
  17. 17.? + 5 = 7
  18. 18.? + 6 = 17
  19. 19.2 + 2 =
  20. 20.8 + 6 =
  21. 21.5 + 10 =
  22. 22.There are 2 blue flowers and 10 white flowers. How many flowers are there in all?
  23. 23.1 + ? = 7
  24. 24.6 + 3 + 6 =
  25. 25.5 + 3 + 4 =
  26. 26.There are 5 pink balls and 15 red balls. How many balls are there in all?
  27. 27.8 + 3 + 2 =
  28. 28.Priya has 3 marbles and gets 14 marbles more. How many marbles does Priya have now?
  29. 29.5 + 6 =
  30. 30.1 + 1 + 6 =
  31. 31.There are 2 yellow crayons and 2 pink crayons. How many crayons are there in all?
  32. 32.12 + 6 =
  33. 33.10 + 8 =
  34. 34.Aditya has 15 kites and gets 3 kites more. How many kites does Aditya have now?
  35. 35.Isha has 5 bananas and gets 1 banana more. How many bananas does Isha have now?
  36. 36.9 + 10 =
  37. 37.10 + 10 =
  38. 38.4 + 4 + 6 =
  39. 39.2 + ? = 17
  40. 40.5 + 8 + 3 =

Answer key

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

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