A robust finding of past research is that the number types involved in a problem statement
strongly affect the solution process and the difficulty level of problems with a multiplicative …

Fischbein, Deri, Nello, and Marino (1985) argue that students' conceptions of and
performance on multiplication and division application word problems (hereafter …

This document reports on a project that is examining some of the difficulties encountered in
teaching word problems involving multiplication, division, and intensive quantities. Some of …

Arithmetical operations were assumed to remain attached to primitive behavioral models
that influence tacitly the choice of an operation even after the learner has had solid formal …

Numerous studies indicate that performance in solving single-step multiplicative word
problems is influenced by both problem structure and the types of numbers involved in the …

In this study, an intuitive model was defined as an internal mental structure corresponding to
a class of calculation strategies. A sample of female students was observed 4 times during …

To determine how middle school students cope with some of the demands imposed on them
by arithmetic word problems, 140 eighth graders were asked to solve word problems …

Fifteen elementary and secondary teacher candidates solved sixteen integer addition and
subtraction problems during think-aloud interviews. Investigators further probed participants' …

Two experiments tested an identical elements model of the organization of basic arithmetic
skills (TC Rickard, AF Healy, & LE Bourne, 1994). This model assumes a distinct abstract …

Four seventh grade students participated in a constructivist teaching experiment in which
manipulatives within a computer microworld were used to solve fractional reasoning tasks …