Download or read book Addition and Subtraction Practice for 3rd Grade - Math Books for Kids Children's Math Books written by Baby Professor and published by Baby Professor (Education Kids). This book was released on 2017-09-15 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: You would think that by third grade, your child should already have a firm grasp of the concepts of addition and subtraction. So why would they still need this workbook? The reason is because math should always be practiced. The possibilities in numbers are endless. Equations can only grow from single- to multi-digits. Secure a copy of this math workbook today!