standard_description: Extend polynomial identities to the complex numbers. For example, rewrite x^(2) + 4 as (x + 2i)(x – 2i).
problem_activity: Stage 5: Grade 5 Shapes
Required Preparation
Materials to Gather
Paper
Materials to Copy
Blackline Masters
Quadrilateral Cards Grade 5
Triangle Cards Grade 5

Narrative
Students lay six shape cards face up. One student picks two cards that have an attribute in common. All students write an attribute that is shared by both shapes. Students get a point if they name an attribute that no other student wrote.
Variation:
Students can draw a shape that has a shared attribute with the given shapes.


aligns: no