Trigonometry is an important part of secondary school mathematics, but it is usually challenging for students to understand and learn. Since trigonometry is learned and used at a university level in many fields, like physics or geodesy, it is important to have an insight into students' trigonometry knowledge before the beginning of the university…

The current quantitative study, a naturalistic field experiment, was conducted in a public primary school in Soweto, Johannesburg, with the objective to examine how children's achievement on four assessments at the beginning of Grade R, namely their numeracy, their mathematics-specific vocabulary, their executive functions, and their logical…

Describes activities of the Educational Technology Center at Harvard University, which focus on the use of computers and other technology to improve K-12 instruction in science, mathematics, and computing. Topics discussed include curriculum development; students' prior conceptions; the construction of scientific knowledge; the use of software;…