This list of teaching resources from Britain's Nuffield Foundation provides teachers with the resources they need to animate lessons in mathematics and statistics (2015).

TED-Ed, the youth and education initiative tied to the popular lecture series, is home to a number of short videos related to mathematics (USA 2016).

Readers find thousands of videos, lesson plans, interactive features, and more, covering a wide range of mathematics topics (USA: PBS 2020).

What are the best ways to assess student learning in mathematics? The University of California at Berkeley and the Shell Center for Mathematics Education at the University of Nottingham have created a wealth of resources to help mathematics instructors engage in both formative and summative assessments (USA 2017-19).

Unterrichtseinheiten, Online-Kurse für Lehrkräfte und Videos der gemeinnützigen Annenberg Foundation (USA 2019)

UK-based resource for mathematics instructors. Although this website is especially designed to help prepare students for their A-Level exams, it also hosts resources that will be of use to anyone around the globe who teaches algebra, geometry, trigonometry, or calculus (2016).

The University of Michigan Library offers this helpful list of web resources for teaching mathematics (USA 2017).

Houses a large collection of STEM teaching and learning resources, in order to provide teachers of STEM subjects with the ability to access a wide range of support materials.

What makes mathematics beautiful? The National Museum of Mathematics asks that question to a number of famous mathematicians and records their answers in this series (USA 2017).

Mathematics educators can find a number of conference presentations of interest (National Council of Teachers of Mathematics USA 2017).