Addition and Subtraction to 100: Bead String Activities Resource is Now Available!

Bead String We are pleased to announce the Addition and Subtraction to 100: Bead String Activities resource is now available for purchase for $22.50 plus shipping & handling. The purpose of this book is to provide a resource for teaching addition and subtraction to 100 that is organized according to the learning trajectories described in Developing Number Knowledge: Assessment, teaching and intervention with 7-11 Year Olds by Wright et al., 2012, and supported through Add+VantageMR® courses. The Math Talks and activities included provide a way to move through a range of mental math strategies to support students as they build facility with mental calculations to 100.

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