SMP #5: Use Appropriate Tools Strategically – Heinemann

Standard

By John SanGiovanni (@JohnSanGiovanni), coauthor of the Mastering the Basic Math Facts series Stop me if you’ve heard this one before. Three students walk into a math classroom. They confront 709 – 340. Krista uses a number line to count back with three jumps of 100, a jump of 50, and another jump of 19. …

Source: heinemann.com

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About hsmathematicstothecore

Retired Mathematics Teacher and Care Team Coordinator. Co-Chair of Lace-Up-for Kids which puts a new pair of shoes on kids before school starts. Wife and mother of two adult children. Currently working as a mathematics consultant on projects dealing with the new Common Core Standards.

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