Geometric Expressions

Prepare a Presentation

Work Time

Prepare a Presentation

  • Choose from Sophie’s, Jack’s, Marcus’s, or Kevin’s solutions to the problem of 100 tiles.
  • Compare and contrast your solution with the solution you chose.

Challenge Problem

An equilateral triangle and a square both have the same perimeter:

12x + 24

  • Find the length of a side of the equilateral triangle and the length of a side of the square.


Think about how to use the distributive property and common factors.