MA19.5.23

Mathematics (2019) Grade(s): 5

MA19.5.23
Explain that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category.

Unpacked Content

Knowledge

Students know:

vocabulary associated with the properties of shapes.

Skills

Students are able to:

Explain the relationship between shapes in categories and subcategories.

Understanding

Students understand that:

Quadrilaterals can be identified by general properties to more specific properties.
Properties belonging to a category of two-dimensional figures also belong to all subcategories of that category.

Vocabulary

Attribute
Category
Subset
Subcategory
Two-dimensional
Figure
Quadrilateral
Right angle
Parallel
Perpendicular

COS Examples

Example: All rectangles have four right angles, and squares have four right angles, so squares are rectangles.

Aligned Learning Resources

Understanding Indicative Mood | No Nonsense Grammar

2D Shape Classification

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