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This lesson uses models to convert mixed numbers to improper fractions. This lesson uses models to convert mixed numbers to improper fractions.

Mental math shortcuts suggest future STEM performance—and gender is a significant predictor What is 29 + 14?

Mathematicians excel at handling complexity and uncertainty. Mathematical reasoning strategies aren't just useful for dilemmas involving numbers. We can apply math mindsets to improve our approach to ...

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 ...

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 ...