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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 116 · 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 10 bananas and gets 6 bananas more. How many bananas does Zoya have now?
  2. 2.Aditya has 5 flowers and gets 13 flowers more. How many flowers does Aditya have now?
  3. 3.12 + 1 =
  4. 4.Kabir has 6 shells and gets 6 shells more. How many shells does Kabir have now?
  5. 5.Aditya has 10 kites and gets 7 kites more. How many kites does Aditya have now?
  6. 6.Arjun has 14 pencils and gets 5 pencils more. How many pencils does Arjun have now?
  7. 7.There are 7 blue balloons and 7 green balloons. How many balloons are there in all?
  8. 8.16 + 4 =
  9. 9.13 + 2 =
  10. 10.18 + ? = 19
  11. 11.5 + 11 =
  12. 12.17 + 3 =
  13. 13.8 + 4 + 4 =
  14. 14.5 + 1 + 11 =
  15. 15.2 + 4 + 2 =
  16. 16.There are 2 yellow flowers and 16 pink flowers. How many flowers are there in all?
  17. 17.6 + 1 + 1 =
  18. 18.There are 11 yellow balls and 7 blue balls. How many balls are there in all?
  19. 19.Gurpreet has 8 mangoes and gets 6 mangoes more. How many mangoes does Gurpreet have now?
  20. 20.7 + 1 + 12 =
  21. 21.Rohan has 8 bananas and gets 11 bananas more. How many bananas does Rohan have now?
  22. 22.3 + 1 =
  23. 23.3 + 2 + 9 =
  24. 24.There are 12 green flowers and 7 red flowers. How many flowers are there in all?
  25. 25.? + 4 = 6
  26. 26.11 + 3 =
  27. 27.6 + 3 + 5 =
  28. 28.3 + 5 =
  29. 29.3 + ? = 4
  30. 30.Lakshmi has 9 mangoes and gets 7 mangoes more. How many mangoes does Lakshmi have now?
  31. 31.There are 11 white balls and 2 blue balls. How many balls are there in all?
  32. 32.7 + 2 + 1 =
  33. 33.14 + 6 =
  34. 34.? + 9 = 11
  35. 35.There are 2 yellow beads and 11 pink beads. How many beads are there in all?
  36. 36.Rahul has 15 flowers and gets 3 flowers more. How many flowers does Rahul have now?
  37. 37.12 + 5 =
  38. 38.8 + 8 + 3 =
  39. 39.4 + 4 + 2 =
  40. 40.Kavya has 12 mangoes and gets 1 mango more. How many mangoes does Kavya have now?

Answer key

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

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