Wolff-Michael Roth, Where Is the Context in Contextual Word Problems?: Mathematical Practices and Products in Grade 8 Students' Answers to Story Problems, Cognition and Instruction, Vol. 14, No. 4 ...

Differences in student performance when fractions were presented in the contexts of (a) understanding the meaning of fractions, (b) computations with fractions, and (c) solving word problems involving ...

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 ...