Mathematics for Teaching Tag: 2D shapes

Tag: 2D shapes

Pentagon to Quadrilateral Puzzle

Puzzles involving cutting shapes and forming them into different shapes helps reinforce the idea that area do not necessarily change with change in shape. It is also a good activity for developing visualisation skill and spatial ability. The puzzle below is from one of the leaflets at the booth of Japan Society of Mathematical Education last ICME…

Read more
 

Geometry lesson: Collapsible chair model

We live in a 3-dimensional world but why is it that we start teaching geometry we start from 2-dimensions to 3-dimensions? Shouldn’t it the other way around? Aren’t we supposed to start from students’ experiences? Making connections is not only about building connections between new concepts and previously learned concepts but most especially connecting it to students’…

Read more