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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 722 · 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. 1.4 + 1 + 1 =
  2. 2.Ananya has 2 bananas and gets 15 bananas more. How many bananas does Ananya have now?
  3. 3.7 + 7 + 3 =
  4. 4.Aarav has 10 balls and gets 7 balls more. How many balls does Aarav have now?
  5. 5.? + 4 = 6
  6. 6.2 + ? = 17
  7. 7.Kabir has 12 pencils and gets 3 pencils more. How many pencils does Kabir have now?
  8. 8.7 + 8 + 5 =
  9. 9.6 + 3 + 3 =
  10. 10.4 + ? = 14
  11. 11.8 + 8 =
  12. 12.Ishaan has 15 kites and gets 4 kites more. How many kites does Ishaan have now?
  13. 13.? + 7 = 9
  14. 14.Nisha has 6 laddoos and gets 10 laddoos more. How many laddoos does Nisha have now?
  15. 15.Meera has 12 balls and gets 1 ball more. How many balls does Meera have now?
  16. 16.Dev has 11 pencils and gets 2 pencils more. How many pencils does Dev have now?
  17. 17.Ishaan has 5 flowers and gets 8 flowers more. How many flowers does Ishaan have now?
  18. 18.There are 5 green kites and 2 pink kites. How many kites are there in all?
  19. 19.8 + 1 =
  20. 20.Zoya has 15 mangoes and gets 2 mangoes more. How many mangoes does Zoya have now?
  21. 21.Kabir has 5 laddoos and gets 2 laddoos more. How many laddoos does Kabir have now?
  22. 22.There are 3 pink balls and 8 yellow balls. How many balls are there in all?
  23. 23.3 + 4 + 12 =
  24. 24.Nisha has 10 mangoes and gets 2 mangoes more. How many mangoes does Nisha have now?
  25. 25.15 + 5 =
  26. 26.There are 10 pink beads and 6 green beads. How many beads are there in all?
  27. 27.Diya has 11 kites and gets 3 kites more. How many kites does Diya have now?
  28. 28.1 + 2 + 8 =
  29. 29.Gurpreet has 9 bananas and gets 5 bananas more. How many bananas does Gurpreet have now?
  30. 30.? + 4 = 11
  31. 31.1 + ? = 6
  32. 32.8 + 5 =
  33. 33.6 + 6 =
  34. 34.2 + 3 + 12 =
  35. 35.There are 5 blue balloons and 10 red balloons. How many balloons are there in all?
  36. 36.10 + 5 =
  37. 37.? + 1 = 7
  38. 38.7 + 4 =
  39. 39.1 + ? = 4
  40. 40.Diya has 5 marbles and gets 12 marbles more. How many marbles does Diya have now?

Answer key

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

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