Register - Login - Forgotten Password

Surds and Exact Values: Keeping Roots Exact (Parent Q&A)

This guide explains the lesson’s main ideas about square roots, surds and exact values. Open Full Article...

Surds and Exact Values: Keeping Roots Exact (Teach This Topic)

This guide supports a home-educating parent teaching surds and exact values from the associated lesson. Open Full Article...

Surds and Exact Values: Keeping Roots Exact

If √2 is about 1.414, why would a mathematician sometimes prefer to leave the answer as √2? Open Full Article...

Indices, Roots and Fractional Powers Explained (Parent Q&A)

This guide explains the lesson’s connected ideas about indices, roots, reciprocals and fractional powers. Open Full Article...

Indices, Roots and Fractional Powers Explained (Teach This Topic)

This guide supports a home-educating parent teaching indices, roots and fractional powers to a learner aged 11 to 16. Open Full Article...

Indices, Roots and Fractional Powers Explained

Why does 2³ mean 2 × 2 × 2, while 2^(1/2) extends the same power notation through a connection with roots? Open Full Article...