Believe it or not, highway numbers actually make sense. Here's the logic behind odd and even routes, and why the system isn't ...

1. Fast and Slow Piles. This works well as a starting or closing activity. Students sort math fact cards into fast and slow piles. This visual way of tracking facts highlights which facts come ...

An apparently easy-looking math problem has left internet users scratching their heads. Give it a try to see if you can ...

Jose Medrano and Rebeca Zapata shuddered at what their daughter, Miranda Zapata, brought home one recent day: fifth grade math homework. “Since it’s something I haven’t practiced recently, I feel like ...

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Examining mistakes gives students a chance to discuss misconceptions openly and find new approaches to solving problems.