May 18, 2015

Exercises from Illustrative Mathematics

A set of 2 exercises, commentary, and solutions

- Mathematics > General
- Mathematics > Geometry

- Grade 9
- Grade 10

Make sense of problems and persevere in solving them.

Reason abstractly and quantitatively.

Model with mathematics.

Use appropriate tools strategically.

Attend to precision.

Look for and make use of structure.

Use coordinates to compute perimeters of polygons and areas of triangles and rectangles, e.g., using the distance formula.?