National Security Agency
Equations and Expressions
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 solving, learners write...
EduGAINs
Ratio and Proportion
Do these items have the same ratio? Through a learning contract, pupils master proportions by practicing proportions via word problems, graphs, and with manipulatives. An exit ticket checks for understanding at the end of the...
Desert Discoveries
How Old is Old? (And, How Much is a Million?)
Here is an interesting instructional activity 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...