standard_description: Understand that by similarity, side ratios in right triangles are properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute angles.
problem_activity: Stage 6: Shapes on the Coordinate Grid
Required Preparation
Materials to Copy
Blackline Masters
Which One Stage 6 Gameboard

Narrative
One partner chooses a rectangle on the coordinate plane from the board. The other partner asks questions to figure out which rectangle on the coordinate plane their partner chose.


aligns: no