McGraw-Hill, the nations #1 educational publisher for grades K-12, has combined their top-selling Spectrum workbook line with the highly respected Mercer Mayer Little Critter(R) characters. Our easy-to-follow instructions and comprehensive coverage will help your child master the math fundamentals with additional help from the wholesome Mercer Mayer Little Critter(R) characters. This is the same exact workbook as the star burst Spectrum workbook except for the cover being different. •more than 140 full-color pages •soft cover •answer key included •perforated pages