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Listed under:  Mathematics  >  Geometry  >  Shapes (Geometry)  >  Circles  >  pi
Interactive resource

Trig radians: introduction

Use radians to measure angles. Identify key angles in their radian form, for example π/6=30°. Convert angles in degrees (up to 360) to angles in radians. Solve measurement problems using angles in radians. Determine arc lengths using radians. This learning object is one in a series of seven objects. Three objects in the ...

Teacher resource

Periodic functions - unit of work

This unit focuses on periodic functions and is part of a university preparation course for those wishing to study mathematics and science courses such as engineering.

Teacher resource

Investigating irrational numbers including pi

This is a website designed for both teachers and students that refers to irrational numbers including pi from the Australian Curriculum for year 8 students. It contains material on the real number system and explains how irrational numbers were introduced historically to this system. Information on constructing rational ...

Teacher resource

reSolve: Circumference

This sequence of three lessons explores the properties of circles, in particular the relationship between the diameter and circumference. In the first lesson, students use a cylinder containing three tennis balls to understand that a circumference is 'three and a bit' times the diameter. They then complete five different ...