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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 542 · 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.Gurpreet has 4 bananas and gets 1 banana more. How many bananas does Gurpreet have now?
  2. 2.4 + 1 + 8 =
  3. 3.? + 4 = 13
  4. 4.2 + 4 + 14 =
  5. 5.There are 12 blue beads and 2 yellow beads. How many beads are there in all?
  6. 6.Arjun has 14 mangoes and gets 2 mangoes more. How many mangoes does Arjun have now?
  7. 7.17 + 3 =
  8. 8.There are 4 yellow balls and 11 white balls. How many balls are there in all?
  9. 9.8 + 1 =
  10. 10.2 + 5 + 9 =
  11. 11.There are 10 blue kites and 3 green kites. How many kites are there in all?
  12. 12.There are 7 red beads and 11 green beads. How many beads are there in all?
  13. 13.There are 7 white kites and 3 red kites. How many kites are there in all?
  14. 14.? + 1 = 6
  15. 15.18 + 1 =
  16. 16.? + 2 = 8
  17. 17.Sneha has 8 mangoes and gets 2 mangoes more. How many mangoes does Sneha have now?
  18. 18.There are 5 red balls and 2 green balls. How many balls are there in all?
  19. 19.5 + 8 + 2 =
  20. 20.Gurpreet has 13 flowers and gets 1 flower more. How many flowers does Gurpreet have now?
  21. 21.18 + 2 =
  22. 22.There are 11 blue beads and 6 white beads. How many beads are there in all?
  23. 23.Arjun has 7 balls and gets 11 balls more. How many balls does Arjun have now?
  24. 24.8 + 6 =
  25. 25.4 + 7 + 7 =
  26. 26.2 + 8 =
  27. 27.19 + 1 =
  28. 28.14 + 5 =
  29. 29.7 + 2 + 6 =
  30. 30.There are 8 pink flowers and 9 white flowers. How many flowers are there in all?
  31. 31.Vivaan has 5 balloons and gets 14 balloons more. How many balloons does Vivaan have now?
  32. 32.Saanvi has 4 marbles and gets 4 marbles more. How many marbles does Saanvi have now?
  33. 33.2 + 6 + 9 =
  34. 34.8 + 6 + 6 =
  35. 35.Saanvi has 3 flowers and gets 12 flowers more. How many flowers does Saanvi have now?
  36. 36.6 + 4 + 5 =
  37. 37.1 + ? = 13
  38. 38.There are 3 pink balloons and 7 white balloons. How many balloons are there in all?
  39. 39.There are 11 white flowers and 4 yellow flowers. How many flowers are there in all?
  40. 40.There are 4 pink flowers and 15 white flowers. How many flowers are there in all?

Answer key

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

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