Plural means more than one. For example, 'shoes' is the plural of 'shoe', which is singular. Singular means just one of something. Turn these singular words into plurals by adding 's'.
  1. ball
  2. bed
  3. brother
  4. door
  5. girl
  6. home
  7. house
  8. school
  9. sister
10. tree
Now check to see how many you have right by clicking the Finished button. Go back and check any words that are not ticked.