Spectrum(R)Grade Specific for Grade 4 includes focused practice for reading, language arts, and math mastery. Skills include grammar and usage, parts of speech and sentence types, vocabulary acquisition and usage, multiplying and dividing, fractions and decimals, measurement conversions, classifying geometric figures, and preparing for algebra. Spectrum Grade Specific workbooks contain focused practice for language arts mastery. Each book also includes a writer's guide. Step-by-step instructions help children with planning, drafting, revising, proofreading, and sharing writing. The math activities build the skills that children need for math achievement and success. Children in grades 1 to 6 will find lessons and exercises that help them progress through increasingly difficult subject matter. Aligned to current state standards, Spectrum is your child's path to language arts and math mastery.