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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?

Kids with math learning disabilities process number symbols differently than quantities shown as dots — and it shows up in ...

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 ...