I have no personal experience with this, nor do I know the research out on it, but fwiw, the authors of the Lindamood-Bell reading intervention have a math intervention modeled on the same visualizing and verbalizing principles, which may interest those of you who have had good experiences with LB for reading:

http://lindamoodbell.com/program/on-cloud-nine-math-program

There are so few truly effective math interventions...

Last edited by aeh; 03/25/17 08:06 AM.
...pronounced like the long vowel and first letter of the alphabet...