← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 254 · 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.? + 9 = 18
  2. 2.Ananya has 8 shells and gets 6 shells more. How many shells does Ananya have now?
  3. 3.8 + 12 =
  4. 4.13 + 4 =
  5. 5.10 + 1 =
  6. 6.14 + 6 =
  7. 7.? + 13 = 19
  8. 8.Meera has 8 shells and gets 1 shell more. How many shells does Meera have now?
  9. 9.8 + 6 + 4 =
  10. 10.7 + 11 =
  11. 11.Riya has 10 flowers and gets 1 flower more. How many flowers does Riya have now?
  12. 12.8 + 9 =
  13. 13.2 + 4 + 7 =
  14. 14.3 + 10 =
  15. 15.3 + 2 =
  16. 16.19 + 1 =
  17. 17.12 + 8 =
  18. 18.3 + 12 =
  19. 19.4 + 1 + 8 =
  20. 20.17 + 3 =
  21. 21.? + 4 = 15
  22. 22.12 + 1 =
  23. 23.There are 12 blue balls and 4 yellow balls. How many balls are there in all?
  24. 24.2 + ? = 10
  25. 25.4 + 5 =
  26. 26.5 + 6 + 3 =
  27. 27.There are 2 red balloons and 17 white balloons. How many balloons are there in all?
  28. 28.8 + 6 =
  29. 29.Lakshmi has 2 shells and gets 4 shells more. How many shells does Lakshmi have now?
  30. 30.Ananya has 7 mangoes and gets 4 mangoes more. How many mangoes does Ananya have now?
  31. 31.7 + 3 + 5 =
  32. 32.There are 12 red flowers and 4 pink flowers. How many flowers are there in all?
  33. 33.There are 4 white crayons and 15 red crayons. How many crayons are there in all?
  34. 34.8 + ? = 16
  35. 35.6 + 3 + 2 =
  36. 36.Aarav has 12 pencils and gets 4 pencils more. How many pencils does Aarav have now?
  37. 37.Diya has 13 mangoes and gets 5 mangoes more. How many mangoes does Diya have now?
  38. 38.9 + 2 =
  39. 39.16 + 2 =
  40. 40.Kavya has 2 balls and gets 14 balls more. How many balls does Kavya have now?

Answer key

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

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