Shape

Showing 1–16 of 145 results

Shape

3D Shapes and Prisms

Students learn about 3D shapes and prisms using their cross section, faces, vertices and number of edges.  More ...

Alternate and Interior Angles in Parallel Lines

Students learn how to recognise and calculate alternate and interior angles in parallel lines.  As learning prog...

Angles of Elevation and Depression

Students learn how to construct and use scale drawings to measure angles of elevation and depression and unknown...

Applying Circle Theorems Involving Tangents

Students learn about applying circle theorems involving tangents to solve complex problems.  The alternate segme...

Applying Multiple Circle Theorems

Students learn about applying multiple circle theorems to solve complex problems. The relevant circle theorems a...

Area of Composite Shapes

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

Area of Triangles and Composite Shapes

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

Bisecting an Angle

Students learn how to construct an angle bisector using a pair of compasses and ruler.  As learning progresses t...

Calculating the Hypotenuse in a right-angled triangle

Students learn about calculating the hypotenuse in a right-angled triangle using Pythagoras' Theorem.  Using Py...

Composite Area of 2D Shapes

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

Constructing Triangles using Compasses and Protractors

Students learn how about constructing triangles using compasses and protractors using SSS, SAS and ASA.  As lear...

Corresponding Angles in Parallel Lines

Year 8 mathematics lesson where students learn how to recognise and calculate corresponding angles in parallel l...

Describing Quadrilaterals

Students learn about describing quadrilaterals using their special features.  More able students are challenged ...

Enlarging Shapes on a Grid

Students learn how to enlarge shapes objects on a grid using a centre and scale factor. Learning progresses from...

Exterior Angles of Polygons

Progressing on from finding angles in parallel lines students in Year 8 learn how to calculate the exterior angl...

Finding any length of a Right-Angled Triangle

Key stage 3 mathematics for using Pythagoras' Theorem to calculate any length of a right-angled triangle.   Lea...

Mr Mathematics Blog

Calculating the Volume of a Pyramid

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 […]

Solving 3D Problems using Trigonometry

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 […]

Rounding to a significant figure

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 […]