Just how strong is a twins' bond? Jake and Lily, in a novel by the same name, have a powerful bond until they turn 11. Then, everything changes. As scholars read about twin trouble, they learn eight new vocabulary words, create...

Half-length practice test for the third grade OAT (Ohio Achievement Test). The test includes 17 multiple-choice and 3 open-response question dealing with topics such as measurement (unit conversion, time), geometry (volume, area), data...