Interactive Lessons

Search over 850 fully planned, interactive, differentiated mathematics lessons designed to engage and inspire your students.

Showing 737–752 of 778 results

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Ages 14 - 16

Cosine Rule – Finding Angles

Students learn how to derive and apply the Cosine Rule to find missing angles in triangles.

Ages 14 - 16

Cosine Rule – Finding Lengths

Students learn how to derive and apply the Cosine rule to find missing lengths in triangles.

Ages 14 - 16

Pythagoras Theorem Finding the Hypotenuse

Students learn how to use Pythagoras' Theorem to find the hypotenuse of right-angled triangles.

Ages 14 - 16

Pythagoras Theorem Shorter Sides

How to calculate a shorter side of a right-angled triangle using Pythagoras' Theorem.

Ages 14 - 16

Introducing Pythagoras Theorem

Students discover Pythagoras’ Theorem through construction of Pythagorean triples.

Ages 14 - 16

Sine Rule

Students learn how to derive and apply the Sine rule to find missing angle in triangular shapes.

Ages 14 - 16

Trigonometry Angles in Right-Angled Triangles

Students learn how to apply Sin, Cos and Tan to find missing angles in right-angled triangles.

Ages 14 - 16

Trigonometry – Area of Triangles

Students learn how to derive and apply the area formulae for non-right-angles.

Ages 14 - 16

Trigonometrical Graphs

Students learn how to plot and interpret the sine and cosine graphs.

Ages 14 - 16

Trigonometry Introduction

Students discover the three trigonometric ratios Sin, Cos and Tan through constructions.

Ages 14 - 16

Trigonometry Finding Lengths in Right-Angled Triangles

Students learn how to calculate unknown lengths in right-angled triangles using Sin, Cos and Tan.

Ages 14 - 16

Trigonometry Problems with Right-Angled Triangles

Students learn how to apply trigonometry to problems in right-angled triangles.

Ages 14 - 16

Surface Area of a Cone

Students learn how to calculate the surface area of a cone as decimal and multiple of pi.

Ages 14 - 16

Cylinder Total Surface Area And Volume

Students learn how to find the surface area and volume of a cylinder as a decimal and multiple of pi.

Ages 14 - 16

Volume and Surface Area of Spheres

Students learn how to work out the volume and surface area of a sphere.

Ages 14 - 16

Total Surface Area of Prisms

Students learn how to calculate the total surface area of prisms.