Is the gestation length of an animal a predictor of the average life expectancy of that animal? Learners analyze similar data for more than 50 different animals. They choose a data display and draw conclusions from their graphs.

Assume all you know is that the variable Q represents a value that is bigger than the value represented by the variable P. Which is larger P + Q or 2P? The problems in this activity get more complex than...

Should the work of the National Institute of Environmental Health Sciences be funded by the government? Middle schoolers weigh in on the status of federal funding for programs that protect the environment with three text passages...

Which animal is best for you—a dog or cat? Why? Engage third graders in an opinion writing assessment that prompts them to read facts about both pets, and then write and decide which pet is best for them.

How many people and animals can cram into a single bed? Find out with this cross-curricular math and language arts lesson. Following along with a reading of the children's book The Napping House by Audrey Wood, young mathematicians...

What does an animal's gestation period have to do with its longevity? Use residuals to determine the prediction errors based upon a least-square regression line. This second lesson on residuals shows how to use residuals to create a...