Shake and Spill- Thanks to Mike Nelson and Dr Paul Swan

See below for instructions and how to differentiate to make this game harder for upper levels. https://www.mav.vic.edu.au/Tenant/C0000019/00000001/downloads/Resources/primary-resources/Number_Paths_-_Michael_Ymer_Warm-up_Game.pdf    {...}

Easy Quick Wipeout 2 students use 1 mini whiteboard and the both write numbers 2-12 across their side.  2 x{...}

These lessons focus on estimation of number of objects and length etc and encouraging the use of mathematical vocab and{...}