Attributes of 3D Shapes
Distinguishing between defining attributes (e.g., faces, edges, vertices) and non-defining attributes of 3D shapes.
Key Questions
- Analyze the attributes that make a sphere different from a cylinder.
- Justify why a cube has 6 faces, 12 edges, and 8 vertices.
- Differentiate between a flat face and a curved surface on a 3D shape.
Ontario Curriculum Expectations
Suggested Methodologies
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Planning templates for Mathematics
5E Model
The 5E Model structures lessons through five phases (Engage, Explore, Explain, Elaborate, and Evaluate), guiding students from curiosity to deep understanding through inquiry-based learning.
unit plannerMath Unit
Plan a multi-week math unit with conceptual coherence: from building number sense and procedural fluency to applying skills in context and developing mathematical reasoning across a connected sequence of lessons.
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Build a math rubric that assesses problem-solving, mathematical reasoning, and communication alongside procedural accuracy, giving students feedback on how they think, not just whether they got the right answer.
More in Geometry and Spatial Reasoning
Identifying 2D Shapes
Recognizing and naming common two-dimensional shapes (squares, circles, triangles, rectangles, hexagons).
2 methodologies
Attributes of 2D Shapes
Distinguishing between defining attributes (e.g., number of sides, vertices) and non-defining attributes (e.g., color, size, orientation) of 2D shapes.
2 methodologies
Identifying 3D Shapes
Recognizing and naming common three-dimensional shapes (cubes, cones, cylinders, spheres, rectangular prisms).
2 methodologies
Composing 2D Shapes
Combining smaller shapes to create new composite shapes (e.g., two triangles make a rectangle).
2 methodologies
Decomposing Shapes into Parts
Identifying parts of a whole by decomposing shapes into smaller, simpler shapes.
2 methodologies