Lessons on:
1. Area of triangle - starting with a detailed explanation of the terms base and height, followed by finding out the formula to calculate the area of a triangle and finally some examples.
2. Volume of cube and cuboid - starting with an introduction of what is meant by cube and cuboid, followed by an explanation of the terms unit cube and cubic units, then deriving the formula to calculate the volume of cube and cuboid, and finally word problems to show how the volume of solid objects comes into play in real life.

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Volume comparison between objects. (Find the volume of the carriage of the truck shown. Is the volume larger than that of a cube of length 1.75 m?) (5:14)

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