Sarah C of ‘mathequalslove‘ blog shares this “treasure trove” from Frank Tapson, which is old enough so that he’s got standard “copyright” with a statement that you can use it for NON PROFIT-MAKING PURPOSES. THey’re nice PDFs, but that means they’re not editable. Sarah’s files are mostly in .pub and .pdf so that a person could download them in Publisher and work with them.
Those algebra strips from yesterday are Houghton-Mifflin copyright, but … a person could make her own, perhaps?
Oh, I want to make an animated perfect square gif… and one for the perfect cubes…and another one to describe the irrational ones.