standard_description: Find the inverse of a matrix if it exists and use it to solve systems of linear equations (using technology for matrices of dimension 3 × 3 or greater).
problem_activity: Stage 1: Add
Required Preparation
Materials to Gather
Connecting cubes
Counters
Materials to Copy
Blackline Masters
5-Frame
Number Mat 1–5
5-frames Stages 1 and 2 Recording Sheet

Narrative
Students begin with a full 5-frame and roll to see how many counters to add.


aligns: no