Math Reasoning Inventory

https://mathreasoninginventory.com/Home/Index

I suppose sites and resources like this are a good thing, but after talking to a group of teachers at the EdCamp Colorado conference last fall, it sounded like diagnostic tools were outweighing effective intervention strategies. A diagnostic instrument can be bought or downloaded, but the intervention sometimes takes the time and skill of a master teacher, something far more difficult to package and deliver.