Duah: Using puzzles, both at home and in classrooms, can restore the often-forgotten truth that learning happens in ...

Browse 30+ visual fractions stock illustrations and vector graphics available royalty-free, or start a new search to explore more great stock images and vector art. Numbered fraction tiles for ...

Can you chip in? As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, ...

(See notice at the end of this document regarding copyright.) This site is for those who know nothing of R, and maybe even nothing of programming, and seek QUICK, PAINLESS! entree to the world of R.

Thinking about numbers using frames of 10 can be a helpful way to learn basic number facts. The four games that can be played with this applet help to develop counting and addition skills. (This ...