Fractions knowledge by grade 5 uniquely predicts success in higher mathematics. Yet, assessments show that too many students struggle with this critical foundational math skill from grade 3 onward.

In Teresa Pritchard’s seventh grade math class at West Feliciana Middle School, students attempt to solve complex fractions task cards before other groups.

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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 ...