Hike the numbers trail in this interactive math experience where your 2nd grader can work on addition and subtraction of numbers. SOH CAH TOA Park is a math world where eager math rangers can enter and learn math survival skills. 

This book has worksheets for addition of numbers 1-5, subtraction of numbers 1-9, and addition/subtraction of numbers 10, 20, 30, 40, and 50. 

Join Park Ranger Sam as he guides your kid along the Numbers Trail and earn a Certificate of Completion at the end!