For students with mathematics difficulties (MD), math word problem solving is especially challenging. The purpose of this study was to examine the effects of a problem-solving strategy, bar model ...

Above the bar is question mark km; below the bar six hours – both with arrows pointing to each end., A bar model can represent speed, distance and time.

A bar model can be used as a way of understanding speed, distance and time calculations. The total length of the bar represents both the total distance and the total time taken. The bar is divided ...