# HONG KONG MATHEMATICS LESSONS

## HK1 SQUARE ROOTS

This eighth grade mathematics lesson focuses on square numbers and square roots. It is the second in a sequence of lessons working towards Pythagoras' theorem and its applications. The lesson is taught in English and is 34 minutes in duration. There are 40 students in the class.

## HK2 SIMULTANEOUS LINEAR EQUATIONS

This eighth grade mathematics lesson focuses on using the elimination method to solve simultaneous equations. It is the sixth session in a sequence of fifteen lessons working on solving simultaneous equations with two unknowns. The lesson is taught in Cantonese and is 42 minutes in duration. There are 40 students in the class.

## HK3 POLYGONS

This eighth grade mathematics lesson focuses on deriving the sum of the interior angles of a polygon. It is the first session in a sequence of four lessons working towards the more advanced concepts of polygons. The lesson is taught in English and is 34 minutes in duration. There are 41 students in the class.

## HK4 IDENTITY

This eighth grade mathematics lesson focuses on equations that are identities. It is the first session in an eight-lesson unit on identities. The lesson is taught in English and is 32 minutes in duration. There are 42 students in the class.