I am affiliated or am a member of the following organizations and groups:
NCTM – National Council of Teachers of Mathematics. Follow the link for membership information and benefits. Please tell them you were referred by member 4389939. Email me if you identified me as your referrer and you will be entered into a draw for a $25 gift certificate to put towards the purchase of any NCTM book(s). Winner drawn at the end of 2016.