Skip to main content

Imperfect Watering

Watering the lawn is no easy task!

Mr. Blaise installed a sprinkler to water his lawn. However, the sprinkler doesn’t reach certain areas. Can you determine the proportion of Mr. Blaise’s lawn that will not be watered?

In this puzzle, you only get information about the shapes. No numbers. So how can you find the solution? You’ll have to see for yourself…

  • A great puzzle, ideal for Grade 9 students in Quebec. Good follow-ups are “Zigzag” and “Stained Glass.”

  • Planning notes