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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 214 · 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 5 pink kites and 9 red kites. How many kites are there in all?
  2. 2.Ananya has 5 pencils and gets 3 pencils more. How many pencils does Ananya have now?
  3. 3.12 + 1 =
  4. 4.There are 3 pink balls and 16 white balls. How many balls are there in all?
  5. 5.12 + 6 =
  6. 6.12 + 4 =
  7. 7.Aditya has 13 marbles and gets 6 marbles more. How many marbles does Aditya have now?
  8. 8.9 + 6 =
  9. 9.Gurpreet has 15 kites and gets 1 kite more. How many kites does Gurpreet have now?
  10. 10.There are 4 red kites and 15 green kites. How many kites are there in all?
  11. 11.6 + 3 + 10 =
  12. 12.? + 1 = 9
  13. 13.3 + 5 =
  14. 14.Priya has 12 balloons and gets 7 balloons more. How many balloons does Priya have now?
  15. 15.1 + ? = 3
  16. 16.There are 11 green kites and 6 blue kites. How many kites are there in all?
  17. 17.There are 4 pink beads and 12 yellow beads. How many beads are there in all?
  18. 18.Nisha has 4 mangoes and gets 9 mangoes more. How many mangoes does Nisha have now?
  19. 19.4 + 12 =
  20. 20.7 + 3 =
  21. 21.2 + ? = 5
  22. 22.6 + 6 + 3 =
  23. 23.7 + 7 + 1 =
  24. 24.There are 12 white balloons and 2 pink balloons. How many balloons are there in all?
  25. 25.2 + ? = 13
  26. 26.2 + 5 + 12 =
  27. 27.3 + 4 + 4 =
  28. 28.Zoya has 8 mangoes and gets 10 mangoes more. How many mangoes does Zoya have now?
  29. 29.Pooja has 13 balls and gets 1 ball more. How many balls does Pooja have now?
  30. 30.There are 2 yellow crayons and 14 blue crayons. How many crayons are there in all?
  31. 31.1 + ? = 4
  32. 32.There are 8 white flowers and 3 green flowers. How many flowers are there in all?
  33. 33.Kabir has 11 flowers and gets 9 flowers more. How many flowers does Kabir have now?
  34. 34.? + 16 = 18
  35. 35.There are 10 green beads and 5 white beads. How many beads are there in all?
  36. 36.? + 13 = 18
  37. 37.Aarav has 9 crayons and gets 8 crayons more. How many crayons does Aarav have now?
  38. 38.There are 4 white crayons and 10 blue crayons. How many crayons are there in all?
  39. 39.4 + 4 + 9 =
  40. 40.7 + 1 + 6 =

Answer key

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

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