The lesson also involves some work on time (in the time/distance part of the lesson) and I’ve deliberately over-focused on the time aspect.
Clear strategies for calculating differences in times are modelled and children are required to convert the times on the graph (in 24 hr clock) to times on an analogue clock face, times written in am/pm etc.
The format used for publishing Effective Maths lessons is changing from the flash-based movie.exe files to html
Read more here.
EFFECTIVE MATHS LESSONS NOW IN HTML
June 3, 2018
Take a look at a new Y5 lesson on +/- and with reasoning
September 5, 2016
Key Stage 2 calculation consolidation programme (+ and -)