2D SHAPES & 3D SOLIDS: MEASURABLE PROPERTIES

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2D SHAPES & 3D SOLIDS: MEASURABLE PROPERTIES SPATIAL SENSE 2D SHAPES & 3D SOLIDS: MEASURABLE PROPERTIES 12/9/2011 12:11 PM Dr. Lee Wai Heng & Dr. Ng Kok Fu

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

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

Area of 2D shapes Explore: http://www.math.com/school/subject3/lessons/S3U2L4GL.html

Surface Area of 3D solids Explore: http://www.learner.org/interactives/geometry/area_surface.html

Volume of 3D Solids Explore: http://www.learner.org/interactives/geometry/area_volume.html

TUTORIAL 4.2 Paper Folding Activities http://www.cyffredin.co.uk/Magic A PaPER/Folding Shapes from A Paper.htm Display folding guides