Just how far off is the least squares line? Using a graphing calculator, individuals or pairs create residual plots in order to determine how well a best fit line models data. Three examples walk through the calculator procedure of...

Students discover the magnitude of the number 100. The sense of the number is developed by allowing students to experience 100 by counting it, measuring it, feeling it, and doing it, hands-on

With this estimating populations assignment, your class will learn about taking random population samples and calculating the average number of species in the samples to estimate the total population. Students use the given data to find...

Students are introduced to tall tales. In this introductory tall tales unit, students explore the tall tales of Casey Jones and Johnny Appleseed. This unit includes many interdisciplinary lessons including graphing skills and geography.

In this data collection and analysis lesson, students observe and graph the weather conditions during one school week, then calculate the average weather temperature. Extensions are included.

Pupils use interactive geometry exploration software (GES) to create a two-point perspective drawing. They explore basic geometry concepts in and geometric transformations of the model of a rectangular prism viewed from different...

In this bias in graphs worksheet, students examine graphs and explain the data. They determine why the graph is or is not biased. This four-page worksheet contains approximately 6 problems. Explanations and examples are provided.

Students integrate functions using u substitution.  In this integrating functions using u substitution lesson, students integrate functions by setting part of the function equal to u and the other part equal to du.  Students...

Fourth graders write and read aloud an exaggerated story using multi-digit numbers up to 1,000,000.