standard_description: Identify when two expressions are equivalent (i.e., when the two expressions name the same number regardless of which value is substituted into them). For example, the expressions y + y + y and 3y are equivalent because they name the same number regardless of which number y stands for.
problem_activity: Stage 6: Decimals
Required Preparation
Materials to Copy
Blackline Masters
Mystery Number Stage 6 Gameboard

Narrative
Students choose a mystery number (up to nine digits) from the gameboard. Students give clues using the given vocabulary.


aligns: no