Curated OER
What Time is it?
Here is a nice presentation on time; how to read analog clocks and calculating elapsed time. The graphics, and problems posed in this PowerPoint are especially good. One nice feature is that students are encouraged to work together in...
Carroll Country Public Schools
Ten Frame Practice
Ten-frames are great visual tools that support the development of number sense in young mathematicians. A multitude of ten-frames are included in this slide show that provide learners with practice with quickly and fluently identifying...