Embedded Files
Standard
Standard
Understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category. For example, all rectangles have four right angles and squares are rectangles, so all squares have four right angles.
Student Language:
"I can classify shapes into categories."
Explanation
Explanation
About the Math, Learning Targets, and Rigor
This standard calls for students to reason about the attributes (properties) of shapes. Student should have experiences discussing the property of shapes and explaining their reasoning. Geometric properties include
- properties of sides (parallel, perpendicular, congruent)
- properties of angles (type, measurement, congruent)
- properties of symmetry (point and line).
Have students create a T-chart to with a shape on each side to compare them. Have students list attributes of the shapes, such as number of side, number of angles, types of lines, etc. Pose questions such as, “Why is a square always a rectangle?” and “Why is a rectangle not always a square?” Expect students to use precision in justifying and explaining their reasoning.
Resources
Resources
Videos
Videos
- Khan Academy
- Scroll to 5.G.3, click on skill, find videos on left side of each skill
- Learn Zillion
- Virtual Nerd
EngageNY Lessons
EngageNY Lessons
Extra Practice
Extra Practice
- North Carolina Tasks
- Illustrative Math Tasks
- Howard County Tasks
- Click on 5th grade at bottom, then 5.G.3
- Common Core Sheets
PARCC
PARCC
Common Core State Standards
Common Core State Standards
5.G.3
5.G.3
Understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category. For example, all rectangles have four right angles and squares are rectangles, so all squares have four right angles.
- A trapezoid is defined as “A quadrilateral with at least one pair of parallel sides.”
STUDENT SAMPLE RESPONSE
Performance Indicators: 5.G.3
Performance Indicators: 5.G.3
Level 5: Exceeds Expectations
- Classifies two-dimensional figures in a hierarchy based on properties.
- Understands that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category.
- Uses appropriate tools to determine similarities and differences between categories and subcategories.
Level 4: Meets Expectations
- Classifies two-dimensional figures in a hierarchy based on properties.
- Understands that shared attributes categorize two-dimensional figures.
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