We use Every Day Math in our school district. Our district math director is adamant about not skipping. He says that will leave gaps in knowledge. I just had this conversation yesterday afternoon with him as ds 5 (kinder) scored a 190 on Fall MAP.

here are some EDM websites that may help you in advocating..

http://sites.google.com/site/thetools4school/4parents/everyday-math-reviews
http://www1.center.k12.mo.us/edtech/everydaymath.htm
http://www.mrnale.com/

Sheila