Curated OER
Comparing and Ordering Numbers
Students compare, order, and measure objects. In this measurement lesson, students are assessed on their ability to order, compare, and measure objects. This is an assessment only lesson and does not include instruction.
Curated OER
Causal Patterns in Density Phenomena
Pupils realize that density exists. They develop a mental model of density-to realize that something is going on that they cannot see to account for differences between materials.