Your archaeologists combine proportional reasoning with exponential functions in a real-life task centered on Carbon 14 dating.          

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...

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...

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...