Match word problems, visual models, and expressions & equations. Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Find Which One Doesn't Belong to ...

Match a story problem and an equation. Write a story problem to match an equation. Subitize with a 10-frame and then build one more than your number on the Rekenrek (counting buddy). Use Notice and ...

Math teacher Emma Chiappetta uses a three-round exercise to help students not only recognize their errors, but also generate ...

For all of the recent strides we’ve made in the math world—like a supercomputer finally solving the Sum of Three Cubes problem that puzzled mathematicians for 65 years—we’re forever crunching ...

Among high school students and adults, girls and women are much more likely to use traditional, step-by-step algorithms to ...

If you are interested in learning about the easiest math problems that look hard, then you have come to the right place. Many people consider mathematics to be tough, and if you are one of them, then ...

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The term "computer" used to be applied to humans that performed calculations by hand. It's still important for today's kids to still know how to, say, multiply without using their calculators (or ...