← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 960 · 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.Isha has 10 balls and gets 8 balls more. How many balls does Isha have now?
  2. 2.? + 1 = 5
  3. 3.6 + 4 + 7 =
  4. 4.2 + 9 =
  5. 5.? + 12 = 18
  6. 6.There are 9 blue beads and 3 red beads. How many beads are there in all?
  7. 7.? + 12 = 16
  8. 8.4 + ? = 6
  9. 9.Arjun has 2 shells and gets 6 shells more. How many shells does Arjun have now?
  10. 10.? + 3 = 5
  11. 11.4 + 2 =
  12. 12.Priya has 6 marbles and gets 5 marbles more. How many marbles does Priya have now?
  13. 13.There are 11 green flowers and 4 red flowers. How many flowers are there in all?
  14. 14.? + 5 = 9
  15. 15.Lakshmi has 3 balloons and gets 4 balloons more. How many balloons does Lakshmi have now?
  16. 16.10 + 4 =
  17. 17.Tara has 2 mangoes and gets 11 mangoes more. How many mangoes does Tara have now?
  18. 18.Zoya has 7 balloons and gets 8 balloons more. How many balloons does Zoya have now?
  19. 19.11 + ? = 19
  20. 20.There are 4 white balls and 9 green balls. How many balls are there in all?
  21. 21.1 + 6 =
  22. 22.? + 5 = 6
  23. 23.1 + 15 =
  24. 24.Aarav has 13 mangoes and gets 2 mangoes more. How many mangoes does Aarav have now?
  25. 25.Vivaan has 13 laddoos and gets 7 laddoos more. How many laddoos does Vivaan have now?
  26. 26.? + 16 = 20
  27. 27.1 + 3 + 14 =
  28. 28.? + 1 = 19
  29. 29.There are 3 pink crayons and 13 yellow crayons. How many crayons are there in all?
  30. 30.2 + 7 + 6 =
  31. 31.Manav has 11 shells and gets 5 shells more. How many shells does Manav have now?
  32. 32.Pooja has 13 mangoes and gets 7 mangoes more. How many mangoes does Pooja have now?
  33. 33.Arjun has 9 laddoos and gets 9 laddoos more. How many laddoos does Arjun have now?
  34. 34.5 + 11 =
  35. 35.6 + 2 =
  36. 36.8 + 4 + 6 =
  37. 37.8 + 6 + 2 =
  38. 38.Saanvi has 13 crayons and gets 1 crayon more. How many crayons does Saanvi have now?
  39. 39.16 + 3 =
  40. 40.Arjun has 4 flowers and gets 6 flowers more. How many flowers does Arjun have now?

Answer key

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

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