standard_description: Understand that the graph of an equation in two variables is the set of all its solutions plotted in the coordinate plane, often forming a curve (which could be a line).
problem_activity: Stage 1: Within 10
Required Preparation
Materials to Copy
Blackline Masters
Number Puzzles Addition and Subtraction Stage 1 Gameboard
Number Puzzles Digit Cards

Narrative
Students work together to use digit cards to make addition and subtraction equations within 10 true. Each digit card may only be used one time on a page.


aligns: no