Book excerpt: Timed Tests: Addition and Subtraction Math Drills Addition Subtraction Practice Workbook, Reproducible Practice Problems, Digits 0-20, Grades K-2, For Kids Ages 5-8 This math practice workbook is organized in a progressively skill building way for kids to develop confidence in Addition & Subtraction for digits 0-20 starting with Step 1 : Addition Step 2 : Subtraction Step 3 : Addition & Subtraction With 100+ pages of practice, your child will develop the muscle memory for Addition & Subtraction while also learning to do the sums quicker if they wish to challenge themselves. There are no answer keys for these tests. Kids can use the 100 pages of timed tests to get confidence in Math (digits 0 - 20) There are additional bonus pages for students to try adding and subtracting larger numbers (digits 0 - 99). The answer key for the bonus pages are at the end of the book. The Book comes with: 6300 Addition and Subtraction problems to master. Premium cover design Large size - 8.5" x 11" Buy today to help your child take their first steps confidently into the fun world of Addition and Subtraction.