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Students learn how a circle can be formed into a parallelogram and rectangle so the area is derived as A =πr2. ...

Students learn about finding the circumference of a circle as a multiple of π and as a decimal correct to 3 sign...

Students use the circumference and area of a circle to solve a variety of problems with circular shapes. Throug...

Students learn how to calculate the total surface area of cylinders using net drawings. As learning progresses ...

Students learn how to calculate the volume of a cylinder both in terms of pi and as a decimal to three significa...

This lesson consolidates calculating the circumference of a circle and the perimeter of circular shapes. Studen...

Students are taken through the process of discovering the relationship between the radius, diameter and circumfe...

The lesson is intended to consolidate applying the area of circle formula to solve complex problems. To extend ...

Students are guided though the derivation of the Area of a Circle formula by approximating a circle from its sec...

January 29, 2019

When I teach rounding to a significant figure, I ask the class to discuss in pairs or small groups a definition for the word significant. It is a word that all the students have heard before but not all are able to define. After 2 or 3 minutes of conversation I ask the students to […]January 13, 2019

When calculating instantaneous rates of change students need to visualise the properties of the gradient for a straight line graph. I use the starter activity to see if they can match four graphs with their corresponding equations. The only clue is the direction and steepness of the red lines in relation to the blue line […]January 4, 2019

Fractions, decimals and percentages are ways of showing a proportion of something. Any fraction can be written as a decimal, and any decimal can be written as a percentage. In this blog I discuss how to use the place value table and equivalent fractions to illustrate how fractions, decimals and percentages are connected. You can […]