standard_description: (+)Derive the equations of ellipses and hyperbolas given the foci, using the fact that the sum or difference of distances from the foci is constant.
problem_activity: Stage 2: Quarter Inches
Required Preparation
Materials to Gather
Paper
Rulers (inches)
Materials to Copy
Blackline Masters
Target Measurement Stage 2 Recording Sheet

Narrative
Students try to draw a line segment as close as possible to the length of the target measurement (in quarter inches).


aligns: no