Want your child to be ahead of their peers?This workbook has over 100 days of reproducible addition and subtraction practice problems for digits 0-20! Just a few minutes of math a day can help students tremendously. Which is why we created these worksheets to be used as timed tests to improve fluidity and build a strong foundation of math skills. Math difficulty will increase as students progress through the book so they stay engaged and can continually see their improvement with each page. *Answer key included* in the back of this book, so students can check their answers easily. About Scholastic Panda EducationScholastic Panda Education is a passionately run single mom + daughter publishing company! We love creating cute and practical books for kids! The Book Contains: Premium glossy cover design Printed on high quality 60lb interior stock Perfectly sized at 8.5" x 11" Made in the USA