www.figurethis.org/challenges/math_index.htm  Figure This! Math Challenges for Families (4-12) INTERACTIVE. This site have real life situation where measurement can be used and also provides interesting problems and detailed answers.

http://mathforum.org/paths/measurement Measurement Resources from The Math Forum (3-12) INTERACTIVE

www.iit.edu/~smile/mathinde.html Smile Program Mathematics Index: Probability. (2-8)  This site provides a list of lesson that can be used in elementary and middle school grades to teach probability