Curated OER
Mass Lesson
It's not just a slideshow, it's a lesson on mass. First, learners complete a mental math warm-up, where they determine the number before and after a series of given numbers, then they form groups to weigh packages and compare mass....
ARKive
Sizing Up Species: Measurement Activities
Measurement devices can be used to determine the height, length, or weight of all kinds of things, even plants and animals. This presentation acts as the basis for two estimation activities. Each activity requires the children to...