Make math matter to students in grades 3Ð4 using Fact Mastery: Multiplication and Division! This 176-page book teaches students fundamental facts that prepare them for algebra. It includes more than 45 half-page activities; specific chapters on facts for products and quotients up to 25, 49, and 81; 58 timed tests for reinforcing the facts; 15 skill-building partner games; and 16 pretest and posttest assessment tools. The book supports NCTM standards.