Giving students a boost in critical thinking! Best Buy Bargain Books Brain Boosters, for grades 1-2 features fun-filled activities that reinforce essential learning strategies important in all subject areas. This must have, 128-page book addresses skills including inference, classifying, analyzing information, identifying facts, analogies, cause and effect, fact and opinion, and more! Children will enjoy completing these motivating activities that include easy-to-understand directions and a complete answer key.