An extensive instructional activity explores equivalent fractions and is intended for three 60-minute periods. Young mathematicians compare and order fractions with like and unlike denominators. Included are worksheets, assessments, and...

Error does not mean something went wrong! Learners complete a problem from beginning to end using concepts developed throughout the last five lessons. They begin with a set of data, determine a population proportion, analyze their result...

The test may say you have cancer, but sometimes the test is wrong. The provided task asks learners to analyze cancer statistics for a fictitious town. Given the rate of false positives, they interpret the meaning of this value in the...

Is it possible to add infinitely long decimals? As pupils complete the examples in the ninth lesson of this 25-part series, they determine that adding these decimals cannot be done without error. Their task is then to determine the size...

Grab your hiking gear and get ready for a math adventure! Learners explore the meaning of percent grade change, as compared to the slope in an excellent worksheet activity about hiking trails in the mountains of New Hampshire. They...

Students evaluate snack foods based on calories and fat. In small groups, they use this information to make informed and wise food choices. Students graphically represent the fat in a food by measuring the equivalent of the food fat with...

Students work together to discover the flow rates of faucets and rivers. They relate their results to engineering and applied science concepts. They make predictions on the flow rate of a nearby river in their local community.

Students read the Civil Rights Project report. Students collect data from graduation rates in their school/district or city. Students compare state and local data. Students discuss and analyze minority graduation rates. Students compare...

Students practice estimating and graphing by utilizing Skittles.  In this statistics lesson, students complete worksheets based on the likelihood of a certain color of skittle coming out of the bag.  Students create a graph...