← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 205 · 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 + ? = 7
  2. 2.8 + 2 + 2 =
  3. 3.There are 9 pink balls and 2 red balls. How many balls are there in all?
  4. 4.? + 2 = 10
  5. 5.1 + 7 + 10 =
  6. 6.? + 3 = 10
  7. 7.Isha has 7 mangoes and gets 6 mangoes more. How many mangoes does Isha have now?
  8. 8.There are 2 red balls and 14 green balls. How many balls are there in all?
  9. 9.4 + ? = 6
  10. 10.4 + ? = 19
  11. 11.Kabir has 10 flowers and gets 9 flowers more. How many flowers does Kabir have now?
  12. 12.Sneha has 3 shells and gets 4 shells more. How many shells does Sneha have now?
  13. 13.There are 4 pink crayons and 14 white crayons. How many crayons are there in all?
  14. 14.10 + 2 =
  15. 15.There are 11 green balloons and 9 pink balloons. How many balloons are there in all?
  16. 16.14 + 4 =
  17. 17.Nisha has 2 mangoes and gets 2 mangoes more. How many mangoes does Nisha have now?
  18. 18.7 + 3 + 10 =
  19. 19.1 + 8 =
  20. 20.Arjun has 15 balloons and gets 5 balloons more. How many balloons does Arjun have now?
  21. 21.Zoya has 8 pencils and gets 11 pencils more. How many pencils does Zoya have now?
  22. 22.There are 4 white crayons and 12 yellow crayons. How many crayons are there in all?
  23. 23.2 + 1 + 14 =
  24. 24.Tara has 12 kites and gets 1 kite more. How many kites does Tara have now?
  25. 25.8 + 4 =
  26. 26.Sneha has 4 balloons and gets 12 balloons more. How many balloons does Sneha have now?
  27. 27.16 + 3 =
  28. 28.1 + 4 + 8 =
  29. 29.7 + 6 =
  30. 30.2 + ? = 8
  31. 31.There are 2 green kites and 18 blue kites. How many kites are there in all?
  32. 32.7 + ? = 20
  33. 33.Gurpreet has 14 balls and gets 3 balls more. How many balls does Gurpreet have now?
  34. 34.5 + ? = 10
  35. 35.15 + 3 =
  36. 36.? + 5 = 7
  37. 37.8 + ? = 14
  38. 38.There are 10 pink crayons and 3 green crayons. How many crayons are there in all?
  39. 39.3 + 10 =
  40. 40.1 + 18 =

Answer key

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

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