The goal of this task is to examine some population data for large cities from a modeling perspective. Learners are asked to decide if the population data can be accurately modeled by a linear, quadratic, and/or exponential function, and...

In this task, 6th graders are presented with a large square divided into 9 squares and the center square is then removed. They are asked to find the area of the 8 remaining squares. Each smaller square is divided in the same way and the...

Compare the cost of taking a shower with the cost of taking a bath. This interactive exercise focuses on using what you know about ratios to make a prediction about whether a shower or a bath is most cost effective and then requires...