On his website andertoons.com, illustrator Mark Anderson has a cartoon in which a boy is handing his teacher an assignment. “To show how well I understand fractions,” he says, “I only did half of my ...

Many children never master fractions. When asked whether 12/13 + 7/8 was closest to 1, 2, 19, or 21, only 24% of a nationally representative sample of more than 20,000 US 8th graders answered ...

The authors report a novel survey that narrows the gap between information about teachers’ knowledge of fraction arithmetic provided, on the one hand, by measures practical to administer at scale and, ...

For instance, \(\frac{2}{9} + \frac{3}{9} = \frac{5}{9}\) or \(\frac{6}{11} - \frac{4}{11} = \frac{2}{11}\). Work out \(\frac{4}{7} + \frac{1}{3}\). Create a common ...

First do an npm install fractional-arithmetic. Then, load the library into your code: var Fraction = require('fractional-arithmetic').Fraction;. You're good to go ...

Just hearing the F word can cause kids (adults too) to freak out. And if you think about it, there are lots of reasons students feel flummoxed by fractions. For one thing, there’s the misleading ...