Learners demonstrate their knowledge pictorially, concretely, and abstractly in this unit meant to last three hours over three days. Using hands-on activities, manipulatives,  real-world applications, and problem...

Here is an interesting lesson on how old things are designed for young scientists. In it, learners compile a list of their birthdays, and the class puts them in sequential order from youngest to oldest. Then, they sequence 15 objects...