standard_description: Graph the solutions to a linear inequality in two variables as a half plane (excluding the boundary in the case of a strict inequality), and graph the solution set to a system of linear inequalities in two variables as the intersection of the corresponding half-planes.
problem_activity: Stage 1: Two-digit Factors
Required Preparation
Materials to Copy
Blackline Masters
Number Puzzles Mult Stage 1 Recording Sheet

Narrative
Students use the digits 0–9 to make multiplication equations with two-digit factors true. Each digit may only be used one time.


aligns: no