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Students learn how to find the area of composite shapes. Learning progresses from counting the squares inside t...

Progressing on from finding the area of a triangle students calculate the area of composite shapes made up of tr...

Students learn how to find the composite area of 2D shapes involving triangles, rectangles, trapezia and paralle...

Students learn about finding the area of a rectangle. They progress from counting the squares inside and multip...

Students practice finding the area of a triangle. As the lesson progresses students learn how to use the formul...

Students learn how to find the perimeter of complex shapes. Learning progresses from counting the distance arou...

Students learn how to find the surface area of cubes and cuboids using nets and 3D drawings. As learning progre...

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

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 ...

March 10, 2019

When calculating the volume of a pyramid we can substitute the values of the length, width and perpendicular height into the formula V = 1/3 lwh. In my experience this is often provided for the students with little explanation as to why a volume of a pyramid is exactly one third the volume of a […]March 4, 2019

When teaching solving 3D problems using trigonometry we begin the lesson with a recap of Pythagoras’ Theorem and the three trigonometric ratios. We do this by matching the ratio and equations to the respective right-angled triangle. Students are encouraged to work in pairs and to show the diagrams as part of the working out on […]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 […]