Students would be able to represent and find the perimeter of different shapes and boundaries.
Using Geoboard is a primitive yet great way of exploring the concept of the perimeter of different shapes. The concept of threads or rubber bands can be kept as a basis for calculating the perimeters of different shapes.
This activity gives more visualization in terms of how and why unit steps are used to find the total length of the boundary of any shape. Any shape can be drawn to find the perimeter. This simple activity can easily form the basis of the perimeter formula for different shapes.
The best way to use real-life mathematics in the classroom is to discuss situations/stories which are related to that particular concept. Word problems related to finding the perimeter and its actual application in daily life can be quite exciting for kids. Ask the kids to be the budding builders or design their dream playground, all under the concept of perimeter.
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