Whether you're introducing fractions for the first time, or find that your students need review and additional practice, Key to Fractions
covers all major topics. Written with secondary students in mind, these self-paced workbooks provide the reinforcement needed for fraction mastery. 37 pages, paperback. Each book contains a practice test.
Book 3 covers adding and subtracting fractions, including simplifying, common and different denominators, word problems, multiples and more.