Timed Tests: Addition and Subtraction Math DrillsAddition Subtraction Practice Workbook, Reproducible Practice Problems, Digits 0-20, Grades K-2, For Kids Ages 5-8This 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 AdditionSubtraction Addition & SubtractionWith 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) The Book comes with:6000 Addition and Subtraction problems to master.Premium cover designLarge size - 8.5" x 11"