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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 923 · 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. 1.2 + 5 + 10 =
  2. 2.Rohan has 11 flowers and gets 2 flowers more. How many flowers does Rohan have now?
  3. 3.2 + 1 + 15 =
  4. 4.Rohan has 3 crayons and gets 3 crayons more. How many crayons does Rohan have now?
  5. 5.There are 12 white balloons and 6 pink balloons. How many balloons are there in all?
  6. 6.There are 9 white crayons and 3 red crayons. How many crayons are there in all?
  7. 7.6 + 4 + 4 =
  8. 8.Riya has 5 balls and gets 1 ball more. How many balls does Riya have now?
  9. 9.1 + 8 + 6 =
  10. 10.16 + 1 =
  11. 11.2 + ? = 6
  12. 12.There are 4 pink crayons and 2 green crayons. How many crayons are there in all?
  13. 13.8 + 2 =
  14. 14.18 + 2 =
  15. 15.Priya has 13 balloons and gets 7 balloons more. How many balloons does Priya have now?
  16. 16.4 + 8 + 7 =
  17. 17.There are 2 pink flowers and 10 white flowers. How many flowers are there in all?
  18. 18.There are 8 yellow balloons and 6 green balloons. How many balloons are there in all?
  19. 19.There are 12 blue crayons and 4 red crayons. How many crayons are there in all?
  20. 20.2 + ? = 11
  21. 21.There are 6 yellow flowers and 4 red flowers. How many flowers are there in all?
  22. 22.There are 3 yellow kites and 10 red kites. How many kites are there in all?
  23. 23.7 + 6 =
  24. 24.Tara has 2 kites and gets 10 kites more. How many kites does Tara have now?
  25. 25.There are 3 blue balls and 2 yellow balls. How many balls are there in all?
  26. 26.8 + 6 =
  27. 27.4 + 1 + 3 =
  28. 28.Rohan has 2 crayons and gets 4 crayons more. How many crayons does Rohan have now?
  29. 29.4 + ? = 7
  30. 30.8 + 5 + 7 =
  31. 31.? + 11 = 16
  32. 32.14 + 2 =
  33. 33.7 + 4 =
  34. 34.There are 2 blue crayons and 15 white crayons. How many crayons are there in all?
  35. 35.19 + 1 =
  36. 36.There are 2 blue balloons and 13 pink balloons. How many balloons are there in all?
  37. 37.Gurpreet has 9 mangoes and gets 8 mangoes more. How many mangoes does Gurpreet have now?
  38. 38.There are 5 pink beads and 12 red beads. How many beads are there in all?
  39. 39.Diya has 14 shells and gets 5 shells more. How many shells does Diya have now?
  40. 40.Sneha has 5 kites and gets 4 kites more. How many kites does Sneha have now?

Answer key

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

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