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...
rounding
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...
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...