Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A rei.c.7 & a rei.d.10: A Linear and Quadratic System

For Teachers 9th - 10th
The purpose of this task is to give students the opportunity to make connections between equations and the geometry of the graphs. Aligns with A-REI.C.7and A-REI.D.10.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A rei.d.10: Collinear Points

For Teachers 9th - 10th
This task leads students through a series of problems which illustrate a crucial interplay between algebra and geometry. Aligns with A-REI.D.10.