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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 265 · 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 = 3
  2. 2.Kabir has 6 bananas and gets 5 bananas more. How many bananas does Kabir have now?
  3. 3.Ananya has 2 laddoos and gets 9 laddoos more. How many laddoos does Ananya have now?
  4. 4.Zoya has 11 marbles and gets 7 marbles more. How many marbles does Zoya have now?
  5. 5.13 + ? = 16
  6. 6.1 + 6 + 12 =
  7. 7.6 + 8 + 3 =
  8. 8.12 + 6 =
  9. 9.4 + 4 + 4 =
  10. 10.9 + 10 =
  11. 11.5 + 2 + 11 =
  12. 12.4 + 12 =
  13. 13.2 + ? = 6
  14. 14.6 + ? = 18
  15. 15.? + 6 = 15
  16. 16.There are 3 yellow beads and 9 pink beads. How many beads are there in all?
  17. 17.Zoya has 14 crayons and gets 2 crayons more. How many crayons does Zoya have now?
  18. 18.Saanvi has 8 marbles and gets 3 marbles more. How many marbles does Saanvi have now?
  19. 19.5 + 6 =
  20. 20.7 + 8 + 2 =
  21. 21.There are 4 white balloons and 8 pink balloons. How many balloons are there in all?
  22. 22.There are 3 green kites and 4 red kites. How many kites are there in all?
  23. 23.Manav has 3 laddoos and gets 5 laddoos more. How many laddoos does Manav have now?
  24. 24.3 + 2 + 7 =
  25. 25.6 + 2 + 4 =
  26. 26.Tara has 15 mangoes and gets 1 mango more. How many mangoes does Tara have now?
  27. 27.3 + ? = 4
  28. 28.1 + 3 + 6 =
  29. 29.17 + 3 =
  30. 30.Aarav has 8 bananas and gets 12 bananas more. How many bananas does Aarav have now?
  31. 31.Vivaan has 9 flowers and gets 4 flowers more. How many flowers does Vivaan have now?
  32. 32.6 + 1 + 6 =
  33. 33.? + 1 = 3
  34. 34.4 + ? = 5
  35. 35.14 + ? = 20
  36. 36.? + 10 = 16
  37. 37.There are 12 red beads and 3 white beads. How many beads are there in all?
  38. 38.? + 5 = 11
  39. 39.5 + 5 + 1 =
  40. 40.Isha has 9 shells and gets 2 shells more. How many shells does Isha have now?

Answer key

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

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