Choosing Between Mental, Written and Calculator Methods (Parent Q&A)
This guide explains how the lesson compares mental calculation, written working and calculator use. Open Full Article...
exact values
Choosing Between Mental, Written and Calculator Methods (Teach This Topic)
This guide supports teaching the completed lesson on choosing between mental, written and calculator methods. Open Full Article...
Choosing Between Mental, Written and Calculator Methods
The same calculation can make one method sensible and another needlessly difficult. Open Full Article...
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...
Converting Recurring Decimals into Fractions (Parent Q&A)
This guide supports parents explaining how recurring decimals can be converted into exact fractions. Open Full Article...
