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 ...

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 ...

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 ...

Studies have shown that a significant portion of students— about one third —don’t make much progress in their understanding of the topic between 4th grade, when operations with fractions are ...