No matter what state standards or textbook you are using to guide your teaching of mathematics, this resource gives you a spectrum of ways to foster number sense in grades 3-5. You'll find: innovative, classroom-tested routines (including number talks), focus lessons, and games; step-by-step directions; vignettes that describe actual occurrences of each activity being taught; an exploration of the four features integral to developing number sense; and connections to the mathematical practices to help teachers envision them in action.
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