← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 739 · 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. 1.12 + ? = 18
  2. 2.Diya has 10 kites and gets 3 kites more. How many kites does Diya have now?
  3. 3.There are 5 yellow balls and 9 blue balls. How many balls are there in all?
  4. 4.3 + ? = 18
  5. 5.? + 11 = 19
  6. 6.? + 1 = 10
  7. 7.Aarav has 13 books and gets 5 books more. How many books does Aarav have now?
  8. 8.4 + 4 =
  9. 9.Sneha has 12 kites and gets 3 kites more. How many kites does Sneha have now?
  10. 10.There are 2 green kites and 9 red kites. How many kites are there in all?
  11. 11.5 + 15 =
  12. 12.7 + 13 =
  13. 13.There are 5 pink balls and 2 red balls. How many balls are there in all?
  14. 14.3 + 7 + 5 =
  15. 15.Isha has 8 balls and gets 1 ball more. How many balls does Isha have now?
  16. 16.There are 8 yellow kites and 2 green kites. How many kites are there in all?
  17. 17.There are 4 yellow crayons and 7 red crayons. How many crayons are there in all?
  18. 18.Arjun has 3 balls and gets 7 balls more. How many balls does Arjun have now?
  19. 19.There are 5 yellow flowers and 7 green flowers. How many flowers are there in all?
  20. 20.5 + 1 + 12 =
  21. 21.6 + 1 + 4 =
  22. 22.There are 3 blue kites and 8 red kites. How many kites are there in all?
  23. 23.There are 5 white kites and 7 green kites. How many kites are there in all?
  24. 24.There are 6 white balloons and 6 green balloons. How many balloons are there in all?
  25. 25.3 + 8 + 2 =
  26. 26.There are 8 green balloons and 4 red balloons. How many balloons are there in all?
  27. 27.There are 2 red balloons and 5 white balloons. How many balloons are there in all?
  28. 28.2 + 6 + 6 =
  29. 29.1 + 1 + 12 =
  30. 30.8 + 3 + 4 =
  31. 31.Ishaan has 11 crayons and gets 4 crayons more. How many crayons does Ishaan have now?
  32. 32.There are 3 yellow kites and 7 pink kites. How many kites are there in all?
  33. 33.Dev has 4 crayons and gets 3 crayons more. How many crayons does Dev have now?
  34. 34.2 + 2 =
  35. 35.Isha has 14 mangoes and gets 1 mango more. How many mangoes does Isha have now?
  36. 36.There are 11 white flowers and 6 red flowers. How many flowers are there in all?
  37. 37.10 + 3 =
  38. 38.There are 10 green balls and 5 yellow balls. How many balls are there in all?
  39. 39.There are 11 blue beads and 6 pink beads. How many beads are there in all?
  40. 40.Riya has 11 mangoes and gets 4 mangoes more. How many mangoes does Riya have now?

Answer key

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

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets