1. 2D SHAPES & 3D SOLIDS: MEASURABLE PROPERTIES
SPATIAL SENSE
2D SHAPES & 3D SOLIDS: MEASURABLE PROPERTIES
12/9/ :11 PM
Dr. Lee Wai Heng & Dr. Ng Kok Fu

2. 2D SHAPES & 3D SOLIDS Measurable properties of 2D shapes
dimensions
perimeter
area
Measurable properties of 3D solids
dimensions
surface area
volume

3. Concepts
AREA
The area of a shape is the number of square units needed to cover it completely.
VOLUME
The volume of a figure is the number of cube units required to fill it completely

4. Area of 2D shapes
Explore:

5. Surface Area of 3D solids
Explore:

6. Volume of 3D Solids
Explore:

7. TUTORIAL 4.2 Paper Folding Activities
A PaPER/Folding Shapes from A Paper.htm
Display folding guides