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Ohio Department of Education: Eighth Grade Achievement Test (Practice Test)[pdf]
Half-length practice test for the eighth grade OAT (Ohio Achievement Test). The test includes 15 multiple-choice and 4 open-response questions dealing with topics such as geometry (comparing volumes, angle measures), data analysis...
University of Cambridge
University of Cambridge: Nrich: A Rod and a Pole
At this one page website work on this challenge using your very best problem solving skills to find a reasonable answer. Actually, there are a number of solutions. When you find yours check the website to see the solutions already listed.
Texas Instruments
Texas Instruments: Radioactive Data
Students examine actual radioactive decay data collected in an honors chemistry class to find an equation which best fits the data and allows a person to predict the count after certain periods of time have elapsed. Students review all...
National Council of Teachers of Mathematics
Nctm: Figure This: Tan, Don't Burn
How about a math challenge for a sunny day at the beach? Apply your problem solving, number sense, and logical reasoning skills to find out how long it would take Helix to get sunburned using SPF 10 lotion. Discover why understanding...
ClassFlow
Class Flow: Math Templates
[Free Registration/Login Required] A collection of templates including a blank calendar, digital/analog clocks, elapsed time model clocks, hundreds chart - complete, blank, and hidden numbers.
Shodor Education Foundation
Shodor Interactivate: Algebra Quiz
Students are able to have an on line quiz where the score and time elapsed is recorded on various level of solving equation problems.
Stanford University
Beyond the Bubble: The First Thanksgiving
[Free Registration/Login Required] This history assessment measures students' ability to source a document, in this case a painting of the first Thanksgiving celebration. When historians interpret a document, they look at who wrote it...
Science Education Resource Center at Carleton College
Serc: Experiment Problem in Kinematics: How Much Does It Take to Win the Race?
Students are presented with two cars that have different constant speeds and that will race each other. They then determine which object will win the race, as well as how much time elapses between the objects crossing the finish line.