Advanced Mathematics Primary 2 Shapes and Patterns

Ahmad sorts 3D shapes into two groups: "shapes with only flat faces" and "shapes with at least one curved surface". Which group does a cylinder belong to?

A shapes with only flat faces
B shapes with at least one curved surface
C shapes with no faces
D shapes with only triangular faces
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Worked Solution

Step 1: Recall the properties of a cylinder. A cylinder has: 2 flat circular faces + 1 curved surface. Step 2: Because it has a curved surface, it belongs to the group "shapes with at least one curved surface". Answer: shapes with at least one curved surface

Correct answer: shapes with at least one curved surface

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