*for example when asked to estimate volume of bucket (knowing full well that the teacher wants them to estimate how much water it would hold) but estimating the volume of plastic in the bucket
- Angle drawn of about 45 degrees (but angle not marked) and measuring reflex angle instead of acute one.
*Disagreeing with a teacher that 900 ml + 100ml is necessarily 1l depending on what they are (eg pebbles and sand )
As a teacher would you be pissed off with a 9 yr olds smartarsery or pleased they were thinking about things.