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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 301 · 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.There are 2 yellow beads and 2 white beads. How many beads are there in all?
  2. 2.4 + 3 + 8 =
  3. 3.Gurpreet has 2 crayons and gets 13 crayons more. How many crayons does Gurpreet have now?
  4. 4.2 + 16 =
  5. 5.4 + 13 =
  6. 6.There are 3 red balls and 2 white balls. How many balls are there in all?
  7. 7.5 + 1 + 3 =
  8. 8.14 + 1 =
  9. 9.Ananya has 5 bananas and gets 2 bananas more. How many bananas does Ananya have now?
  10. 10.6 + 8 + 5 =
  11. 11.4 + 15 =
  12. 12.There are 9 green flowers and 3 pink flowers. How many flowers are there in all?
  13. 13.? + 6 = 11
  14. 14.Arjun has 2 pencils and gets 5 pencils more. How many pencils does Arjun have now?
  15. 15.There are 2 red balls and 6 white balls. How many balls are there in all?
  16. 16.5 + ? = 8
  17. 17.Rahul has 12 kites and gets 4 kites more. How many kites does Rahul have now?
  18. 18.1 + ? = 15
  19. 19.Saanvi has 8 crayons and gets 2 crayons more. How many crayons does Saanvi have now?
  20. 20.Gurpreet has 9 crayons and gets 7 crayons more. How many crayons does Gurpreet have now?
  21. 21.Vivaan has 2 shells and gets 15 shells more. How many shells does Vivaan have now?
  22. 22.9 + 7 =
  23. 23.Rahul has 13 flowers and gets 4 flowers more. How many flowers does Rahul have now?
  24. 24.10 + 5 =
  25. 25.Meera has 13 shells and gets 2 shells more. How many shells does Meera have now?
  26. 26.1 + ? = 9
  27. 27.14 + ? = 15
  28. 28.7 + 7 + 4 =
  29. 29.6 + 2 =
  30. 30.There are 4 pink balls and 8 white balls. How many balls are there in all?
  31. 31.2 + 3 + 2 =
  32. 32.There are 7 yellow balls and 12 pink balls. How many balls are there in all?
  33. 33.8 + 5 + 2 =
  34. 34.1 + ? = 4
  35. 35.3 + 6 + 1 =
  36. 36.16 + 3 =
  37. 37.Isha has 12 bananas and gets 2 bananas more. How many bananas does Isha have now?
  38. 38.Arjun has 14 shells and gets 1 shell more. How many shells does Arjun have now?
  39. 39.There are 8 yellow flowers and 2 pink flowers. How many flowers are there in all?
  40. 40.4 + ? = 5

Answer key

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

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