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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 896 · 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.Saanvi has 7 bananas and gets 12 bananas more. How many bananas does Saanvi have now?
  2. 2.12 + ? = 17
  3. 3.Diya has 10 flowers and gets 7 flowers more. How many flowers does Diya have now?
  4. 4.Aditya has 4 mangoes and gets 8 mangoes more. How many mangoes does Aditya have now?
  5. 5.Arjun has 13 balls and gets 2 balls more. How many balls does Arjun have now?
  6. 6.4 + ? = 6
  7. 7.3 + ? = 17
  8. 8.? + 3 = 5
  9. 9.There are 4 green balloons and 7 red balloons. How many balloons are there in all?
  10. 10.11 + ? = 18
  11. 11.3 + ? = 7
  12. 12.There are 3 blue flowers and 4 pink flowers. How many flowers are there in all?
  13. 13.? + 8 = 11
  14. 14.1 + 1 + 17 =
  15. 15.Rohan has 12 bananas and gets 5 bananas more. How many bananas does Rohan have now?
  16. 16.There are 4 blue kites and 3 pink kites. How many kites are there in all?
  17. 17.Kabir has 7 flowers and gets 10 flowers more. How many flowers does Kabir have now?
  18. 18.There are 10 green balls and 7 pink balls. How many balls are there in all?
  19. 19.3 + 5 =
  20. 20.There are 2 green balloons and 11 white balloons. How many balloons are there in all?
  21. 21.1 + ? = 14
  22. 22.There are 6 pink balloons and 14 yellow balloons. How many balloons are there in all?
  23. 23.5 + 3 + 6 =
  24. 24.8 + 4 + 3 =
  25. 25.4 + 6 + 6 =
  26. 26.There are 5 red balloons and 9 white balloons. How many balloons are there in all?
  27. 27.Gurpreet has 4 mangoes and gets 2 mangoes more. How many mangoes does Gurpreet have now?
  28. 28.? + 3 = 9
  29. 29.19 + 1 =
  30. 30.7 + 13 =
  31. 31.There are 7 green flowers and 6 red flowers. How many flowers are there in all?
  32. 32.3 + 5 + 9 =
  33. 33.There are 3 pink balls and 2 red balls. How many balls are there in all?
  34. 34.? + 3 = 12
  35. 35.2 + 6 + 10 =
  36. 36.6 + 6 + 1 =
  37. 37.Lakshmi has 10 marbles and gets 2 marbles more. How many marbles does Lakshmi have now?
  38. 38.14 + 6 =
  39. 39.7 + 1 + 9 =
  40. 40.There are 7 yellow kites and 11 red kites. How many kites are there in all?

Answer key

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

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