← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 843 · 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. 1.16 + 2 =
  2. 2.8 + 8 =
  3. 3.5 + 12 =
  4. 4.Isha has 5 pencils and gets 8 pencils more. How many pencils does Isha have now?
  5. 5.19 + 1 =
  6. 6.11 + 5 =
  7. 7.2 + ? = 7
  8. 8.3 + 1 + 15 =
  9. 9.7 + 1 + 2 =
  10. 10.8 + ? = 13
  11. 11.Vivaan has 3 flowers and gets 3 flowers more. How many flowers does Vivaan have now?
  12. 12.Gurpreet has 14 kites and gets 1 kite more. How many kites does Gurpreet have now?
  13. 13.1 + ? = 11
  14. 14.4 + 4 + 4 =
  15. 15.7 + 12 =
  16. 16.? + 3 = 19
  17. 17.? + 9 = 10
  18. 18.1 + 2 + 17 =
  19. 19.There are 4 blue balls and 11 yellow balls. How many balls are there in all?
  20. 20.5 + 8 + 1 =
  21. 21.Saanvi has 11 flowers and gets 1 flower more. How many flowers does Saanvi have now?
  22. 22.? + 1 = 3
  23. 23.? + 4 = 16
  24. 24.6 + 5 + 3 =
  25. 25.14 + ? = 18
  26. 26.There are 11 pink balloons and 2 green balloons. How many balloons are there in all?
  27. 27.2 + 8 =
  28. 28.2 + 2 + 14 =
  29. 29.2 + ? = 5
  30. 30.11 + 4 =
  31. 31.Isha has 3 mangoes and gets 13 mangoes more. How many mangoes does Isha have now?
  32. 32.? + 5 = 8
  33. 33.Sneha has 3 balloons and gets 17 balloons more. How many balloons does Sneha have now?
  34. 34.17 + 1 =
  35. 35.Tara has 3 crayons and gets 1 crayon more. How many crayons does Tara have now?
  36. 36.There are 6 yellow flowers and 8 pink flowers. How many flowers are there in all?
  37. 37.There are 9 blue flowers and 5 green flowers. How many flowers are there in all?
  38. 38.2 + 7 =
  39. 39.There are 2 green crayons and 2 white crayons. How many crayons are there in all?
  40. 40.11 + 6 =

Answer key

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

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