standard_description: Derive using similarity the fact that the length of the arc intercepted by an angle is proportional to the radius, and define the radian measure of the angle as the constant of proportionality; derive the formula for the area of a sector.
problem_activity: Stage 7: Multiply with 6–9
Required Preparation
Materials to Gather
Colored pencils or crayons
Number cubes
Paper clips
Materials to Copy
Blackline Masters
Capture Squares Stage 7 Gameboard
Capture Squares Stage 7 Spinner

Narrative
Students roll a number cube and spin a spinner and find the product of the two numbers they generated. The spinner has the numbers 6–9.
Additional Information
Each group of 2 needs one number cube.


aligns: no