This product is available in print or digital format.
Introduce A Powerful Tool For Solving Addition And Subtraction Problems
Use these write-on/wipe-off mats mats to demonstrate how students can begin on whatever part of the number line they need in order to solve common problems. These mats provide a reusable work space for students to practice figuring addition and subtraction problems with large numbers. The Activity Guide includes suggestions for additional open number line strategies.