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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 967 · 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.Priya has 7 shells and gets 7 shells more. How many shells does Priya have now?
  2. 2.There are 11 green balloons and 5 blue balloons. How many balloons are there in all?
  3. 3.3 + 12 =
  4. 4.4 + ? = 6
  5. 5.1 + 3 + 9 =
  6. 6.1 + ? = 15
  7. 7.2 + 5 =
  8. 8.There are 9 red balls and 7 green balls. How many balls are there in all?
  9. 9.5 + 7 + 6 =
  10. 10.4 + 5 + 2 =
  11. 11.8 + 5 + 2 =
  12. 12.Rahul has 4 laddoos and gets 10 laddoos more. How many laddoos does Rahul have now?
  13. 13.There are 3 yellow kites and 14 pink kites. How many kites are there in all?
  14. 14.16 + 1 =
  15. 15.There are 12 white beads and 3 blue beads. How many beads are there in all?
  16. 16.5 + ? = 13
  17. 17.There are 8 yellow balloons and 4 red balloons. How many balloons are there in all?
  18. 18.5 + 1 + 4 =
  19. 19.9 + 8 =
  20. 20.4 + 11 =
  21. 21.3 + 8 =
  22. 22.There are 12 green balloons and 4 pink balloons. How many balloons are there in all?
  23. 23.There are 4 yellow balloons and 16 pink balloons. How many balloons are there in all?
  24. 24.4 + 9 =
  25. 25.8 + 7 + 1 =
  26. 26.18 + 2 =
  27. 27.There are 12 white flowers and 4 red flowers. How many flowers are there in all?
  28. 28.2 + ? = 5
  29. 29.Zoya has 5 crayons and gets 2 crayons more. How many crayons does Zoya have now?
  30. 30.Nisha has 13 marbles and gets 3 marbles more. How many marbles does Nisha have now?
  31. 31.Kavya has 11 balls and gets 9 balls more. How many balls does Kavya have now?
  32. 32.Dev has 3 bananas and gets 7 bananas more. How many bananas does Dev have now?
  33. 33.Ananya has 7 shells and gets 9 shells more. How many shells does Ananya have now?
  34. 34.12 + 8 =
  35. 35.9 + 10 =
  36. 36.There are 4 white flowers and 3 yellow flowers. How many flowers are there in all?
  37. 37.7 + 8 + 5 =
  38. 38.14 + 2 =
  39. 39.There are 3 green crayons and 6 yellow crayons. How many crayons are there in all?
  40. 40.2 + ? = 4

Answer key

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

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