there are youtube videos demonstrating uses of his software Grid Algebra:
- grid algebra use with younger students
- grid algebra 1 getting to know the grid
- grid algebra 2 movements
- grid algebra 3 introducing and using letters
- grid algebra 4 inverse operations and solving equations
it can also be used for quick number and algebra practice and is simple enough to set up
some work needs to be done on analysing why a large expression can be reduced to a much simpler one
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