Math 7 Classes: Wksht 12-4 (both sides) at http://docs.google.com/Doc?docid=0AWefHHwrzo7bZGhyN2N4d2NfNjc1Y3N6Z2h4bnQ&hl=en and http://docs.google.com/Doc?docid=0AWefHHwrzo7bZGhyN2N4d2NfNjc5Zmd6bmNnY3Y&hl=en
Pre-Algebra Classes: Wksht 6-4 (both sides) at http://docs.google.com/Doc?docid=0AWefHHwrzo7bZGhyN2N4d2NfNjg2Z3dnNGJ2Z2M&hl=en and http://docs.google.com/Doc?docid=0AWefHHwrzo7bZGhyN2N4d2NfNjg4ZDk4NWdtZ3E&hl=en
