Dividing the circle into six equal parts Animation Play

Dividing the polygon into triangles Whiteboard exercise Play

Dividing the segment into six equal parts Whiteboard exercise Play

Drawing symmetrical triangles Animation Play

Equal and unequal crossing-over Whiteboard exercise Play

Equal and unequal vectors Whiteboard exercise Play

Equal and unequal vectors Student activity Play

Equal angles imply parallel lines Student activity Play

Equal number of votes Animation Play

Equal numbers Whiteboard exercise Play

Equal numbers – wrong steps in proof Whiteboard exercise Play

Equal roundings accurate to 2 d.p. Whiteboard exercise Play

Equal segments Animation Play

Equilateral triangles Whiteboard exercise Play

Everyone is equal Slideshow Play

Fermat's Principle Student activity Play

Fermat's Principle Simulation Play

Finding equal expressions Whiteboard exercise Play

Finding the equivalent expression Whiteboard exercise Play

Forming a square from triangles Animation Play

Fractional exponents – finding equal expressions Whiteboard exercise Play

How do equal angles imply parallel lines? Animation Play

How to check directly whether two triangles are congruent Whiteboard exercise Play

How to check directly whether two triangles are congruent Student activity Play

How to write a number without too many zeros Student activity Play