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...
Number and Arithmetic
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...
Calculating with Upper and Lower Bounds (Parent Q&A)
This guide explains why a rounded measurement represents a range of possible original values rather than one exact value. Open Full Article...
Calculating with Upper and Lower Bounds (Teach This Topic)
This guide supports teaching how rounded values represent intervals rather than exact measurements. Open Full Article...
Calculating with Upper and Lower Bounds
If a length is written as 8 cm to the nearest centimetre, does that prove the real length is exactly 8 cm? Open Full Article...
Applying the Order of Operations Correctly (Parent Q&A)
This guide explains how the lesson presents the order of operations as a shared way of interpreting mathematical expressions. Open Full Article...
