Carts and Wheels
NCERT Math-Magic for Class 4, Chapter 8 rolls with carts and wheels into the world of circles. Children trace bangles and lids, find centres by folding, and measure radius and diameter with thread and rulers. They compare wheel sizes on bullock carts and bicycles, draw neat circles with compasses, and see why round wheels roll smoothly. Rolling races reveal the circumference as distance around. It turns village transport into geometry, fixing circle vocabulary through drawing and measuring by hand.
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