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 ...

A unit fraction is any fraction where the numerator is 1, for example \(\frac{1}{4}\). A non-unit fraction is a fraction where the numerator is not 1, for example \(\frac{4}{5}\). Mixed fractions are ...

This report details the development of a learning progression for the understanding of fractions. The intended use of the learning progression is to support formative assessment practices for children ...

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\(\frac{36}{60}\) and \(\frac{3}{5}\) are equivalent to \(\frac{12}{20}\) . An equivalent fraction is the result of multiplying or dividing the numerator and the denominator of a fraction by the same ...

We know there are individual differences in math ability, even at a young age, but what basic cognitive tools lay the foundation for whether we are good with numbers? And specifically, what basic ...