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New Math Equations

Here are sample math questions and how a student might solve them using techniques from the textbook series "Investigations in Number, Data, and Space."

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Parents Rise Up Against A New Approach to Math
Article | Greg Barlow, an Air Force officer in the defense secretary's office at the Pentagon, was helping his 8-year-old son, Christian, one recent night with a vexing problem: What is 674 plus 249?

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