This holiday-themed brainteaser looks simple, but it's quietly tripping up adults everywhere. A math teacher walks us through solving it.

Picture a CFO scanning a cash-flow model where one interest rate cell sits off by a single percentage point. The spreadsheet ...

Being book smart is not the same as being street smart. Just because someone has a pile of degrees doesn’t mean that they have excellent problem solving or social skills. At the same time, a person ...

If many students are struggling with operations like dividing decimals, this schoolwide approach to scheduling can help.

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Complete Explanation A logarithm is the power which a certain number is raised to get another number. Before calculators and various types of complex computers were invented it was difficult for ...