# CZECH REPUBLIC MATHEMATICS LESSONS

## CZ1 EXPONENTS AND SQUARE ROOTS

This eighth grade mathematics lesson focuses on the application of the Pythagorean Theorem, raising expressions to certain powers, and operations with algebraic expressions. It is the second lesson in a unit of work focused on algebraic expressions. The lesson is 45 minutes in duration. The lesson was taped in a gymnasium - a school that specializes in preparing students for university. There are 30 students in the class.

## CZ2 PERIMETER OF A CIRCLE

This eighth grade mathematics lesson focuses on the derivation and application of the formula for the perimeter of a circle. It is the second lesson in a unit of work focused on the circumference of a circle. The lesson is 45 minutes in duration. There are 15 students in the class.

## CZ3 EXPONENTS

This eighth grade mathematics lesson focuses on raising numbers and algebraic expressions to certain powers, and adding and subtracting numbers raised to certain powers. It is the second lesson in a unit of work focused on raising numbers to powers. The lesson is 45 minutes in duration. There are 22 students in the class.

## CZ4 EXPONENTS

This eighth grade mathematics lesson focuses on operations with numbers raised to certain powers, and calculating the area of a triangle and a trapezoid. It is the second lesson in a unit of work focused on raising numbers to powers. The lesson is 45 minutes in duration. There are 26 students in the class.