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Perimeter, Area & Volume

Cambridge Lower Secondary Mathematics
Grade 8
Teacher Script & Notes
What to say / Spoken Script
A prism is a 3D solid with a constant cross-section. The volume is calculated as the area of this cross-section (base area) multiplied by the length or height of the prism. Let's see this highlighted cross-sectional area.
What to do / Action Guide
Display the 3D triangular prism with its front face colored in teal.
Pedagogical Tips
Confirm that the cross-section remains constant along the entire length.
Step 1: Introduction
Step 1 of 1
Base Area (A) Length (L) Volume = Base Area × Length
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