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Students learn how to calculate the area of parallelograms and trapeziums by considering how a parallelogram can...

Students learn how to calculate the arc length of a sector by considering it as a proportion of a complete circl...

Students learn how find calculate the area of sectors using both calculator and non-calculator methods. As lear...

Students learn how to manipulate the various formulae associated to the area of a sector and arc length to find ...

Students learn how to measure the perimeter of 2D shapes. by counting and later by creating and using a formula....

Students learn how to find the area of irregular shapes by grouping. As learning progresses they are challenged...

Students learn how to calculate the area of compound rectilinear shapes by splitting the shapes up into two or m...

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...

By considering a right angled triangle as half a rectangle the students are guided through deriving the formula ...

Students learn how to find the area of a rectangle first by counting, then repeated addition, basic multiplicati...

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 […]