Hartismere School

Est. 1451. An outstanding coeducational secondary school & sixth form college and England's first academy

Coronavirus (COVID-19)

Speed addition


Learn the secrets required to quickly add numbers in your head. This technique ( called jumping 10's) programs your brain to visualize numbers so you can quickly and accurately add them in your head. The video goes with the the FreeTestPrep.net speed math class. Visit the website for the entire class!
Human Calculator series.