Provide engaging math practice and see children's math and problem-solving skills improve with Skill Sharpeners: Math activity books! The colorful theme-based activities create enjoyable learning experiences for children and improve their math fluency, number sense, and reasoning skills.Completely updated to reflect grade-level standards, the new Skill Sharpeners: Math books are ideal for enrichment, for review, and to help students master "must-know" skills such as: subtractionplace valuemultiplicationfractionsgeometrylogical thinkingalgebra and moreEach grade level incorporates the perfect amount of math skill practice and includes word problems that challenge children to apply their understanding. Engaging theme-based units capture children's interest with colorful visuals to help them solve problems.Each title includes: Rigorous math skill practice that reflects current standardsNew themed units that present math practice in a fun, colorful formatA downloadable teaching guide that provides teaching tips and support for struggling childrenA "Test Your Skills" page at the end of each unit that lets students review the skills practiced in that unitAll-new artwork that engages children with age-appropriate illustrationsSkill Sharpeners: Math, grade 4 provides practice for the following skills: add, subtract, multiply, and divide multi-digit numbersdivide with remaindersadd and subtract decimalscompose and decompose numbersanalyze and extend patternstime intervalslogical thinkingconvert measurementestimate weight, length, capacity, and timeround large numberscompare decimalscompare and sequence numbers to 10,000describe shapes by types of lines and anglesfind factors and multiplesAnswer key included.Every Skill Sharpeners workbook now includes a free downloadable Teaching Guide! The Skill Sharpeners: Math Teaching Guides include: How to Use directions for teaching mathSample pacing guide to complete lessons and activitiesTeaching suggestions for helping children learn in different modalitiesExtension activities that include math journals and problem solvingVisual aids to help children understand difficult math strategiesAbout Evan-Moor A leader in PreK-8 educational publishing, Evan-Moor has been a trusted partner of teachers and parents for over 40 years. Our mission is helping children learn, and we do this by creating resources that motivate children to learn important skills and concepts across the curriculum while also inspiring a love of learning.