Videos

Irrational Numbers
135

Proving Sqrt 2 Is Irrational
220

Familiar Numbers
311

Familiar Numbers
311

Is That All?
217

Is That All?
217

At Least Now?
149

At Least Now?
149

Lie Detector
71

Lie Detector
71

On the Number Line
224

On the Number Line
224

Irrational in the Semicircle
192

Irrational in the Semicircle
192

Triangle Visualisation
264

Triangle Visualisation
264

Let's Get Rid of Problems
133

Let's Get Rid of Problems
133

Identities for Irrationals
279

Some More Identities
237

Irrational Examples
240

No Irrationals!
56

Irrational Exponents
92

Let's Simplify These
186

Introduction to Surds
255

Operations on Surds
295

Operation on Binomial Surds
264

With a Rational Number
192

Rationalisation of Surds
179