← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 79 · 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. 1.1 + 3 + 5 =
  2. 2.5 + 7 + 5 =
  3. 3.There are 3 red balloons and 8 yellow balloons. How many balloons are there in all?
  4. 4.10 + 5 =
  5. 5.2 + 4 + 1 =
  6. 6.There are 7 yellow beads and 13 red beads. How many beads are there in all?
  7. 7.5 + 6 + 8 =
  8. 8.4 + 5 + 1 =
  9. 9.1 + 4 + 12 =
  10. 10.Arjun has 3 balls and gets 16 balls more. How many balls does Arjun have now?
  11. 11.Riya has 3 mangoes and gets 12 mangoes more. How many mangoes does Riya have now?
  12. 12.18 + 2 =
  13. 13.6 + ? = 15
  14. 14.? + 4 = 16
  15. 15.There are 6 green beads and 9 pink beads. How many beads are there in all?
  16. 16.Vivaan has 14 marbles and gets 2 marbles more. How many marbles does Vivaan have now?
  17. 17.Kavya has 15 mangoes and gets 4 mangoes more. How many mangoes does Kavya have now?
  18. 18.9 + 5 =
  19. 19.Riya has 12 balloons and gets 1 balloon more. How many balloons does Riya have now?
  20. 20.15 + 3 =
  21. 21.? + 12 = 14
  22. 22.5 + 2 + 13 =
  23. 23.? + 14 = 18
  24. 24.2 + 6 + 6 =
  25. 25.13 + 2 =
  26. 26.9 + 8 =
  27. 27.Saanvi has 6 laddoos and gets 1 laddoo more. How many laddoos does Saanvi have now?
  28. 28.6 + ? = 16
  29. 29.There are 11 pink beads and 9 yellow beads. How many beads are there in all?
  30. 30.1 + ? = 4
  31. 31.There are 6 pink kites and 9 blue kites. How many kites are there in all?
  32. 32.8 + 4 + 8 =
  33. 33.There are 7 pink kites and 9 yellow kites. How many kites are there in all?
  34. 34.Lakshmi has 2 balloons and gets 2 balloons more. How many balloons does Lakshmi have now?
  35. 35.There are 8 red flowers and 8 pink flowers. How many flowers are there in all?
  36. 36.Diya has 14 flowers and gets 6 flowers more. How many flowers does Diya have now?
  37. 37.8 + 4 + 7 =
  38. 38.10 + 3 =
  39. 39.19 + 1 =
  40. 40.6 + 5 + 5 =

Answer key

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

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