AC9M3SP01Year 3SpacePractised on site

AC9M3SP01 — Year 3 Space

Official Curriculum Content Description:

make, compare and classify objects, identifying key features and explaining why these features make them suited to their uses

Worked Examples (1)

Example 13D Object Features & Familiar Shapes

Compare a triangular prism with a sphere. How many more vertices does the triangular prism have?

Common mistake: Adding feature counts instead of finding the difference.

Correct Answer:

6

Worked Solution:

1. triangular prism:

6

vertices (

2

triangular bases,

3

rectangular faces,

9

straight edges, and

6

vertices). 2. sphere:

0

vertices (

1

curved surface,

0

flat faces,

0

edges, and

0

vertices). 3. Difference:

6 - 0 = 6

\text{Difference} = 6

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