Curated OER
Base Ten Blocks Rods and Flats (A)
Using visual cues and hands on manipulatives are great for conveying concepts in a concrete way. Learners are given a set of rods, they break the set up into flats, then count the rods left over to determine an answer. There are 5...
Chateau Meddybemps
Chateau Meddybemps: Teeter Totter Experiments
Practice comparing mass by trying the Teeter Totter Experiment. Watch the teeter totter move up and down as you compare Marcus to each animal.