Every year, the countries competing in the International Mathematical Olympiad arrive with a booklet of their best, most ...

Teachers can use these questions to draw students out and get worthwhile formative assessment responses to guide instruction.

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Add Yahoo as a preferred source to see more of our stories on Google. What is 29 + 14? Some readers may solve the problem procedurally: line up the two numbers, add the ones column, carry the one, and ...

The designers for Monte Vista Elementary School’s proposed outdoor classroom had some key questions to answer: What materials could they use while staying under the district’s $10,000 budget? How much ...