The film follows a yellow-bellied fore flusher who migrates from Ireland to the south of France. Before his journey, he meticulously plans his route and learns to divide distances into equal parts ...

A new curriculum to introduce rational numbers was devised, using developmental theory as a guide. The 1st topic in the curriculum was percent in a linear-measurement context, in which halving as a ...

We present an empirical study that investigated seventh-, ninth-, and eleventh-grade students' understanding of the infinity of numbers in an interval. The participants (n = 549) were asked how many ...