Curated OER
Modifying Viscosity of Egg Yolk
Students investigate the effects of substances on the viscosity of egg yolks. In this viscosity lesson plan, students separate egg yolks from their albumen and then add different masses of albumen back to each egg yolk. They measure the...
National Research Center for Career and Technical Education
Depreciation (Double Declining)
Have you ever been told that your new car begins to lose its value as soon as you drive it off the lot? Aspiring accountants take on the concepts of depreciation and book value through an easy-to-deliver career and technology lesson. The...
Curated OER
Lucky Guess (Group Tricks)
Learners work in groups to complete movement activities. For this movement and cooperation lesson, students get into groups and complete movement band skill cards with varying levels of difficulty.
Curated OER
Greenhouse Effect
Students identify greenhouse gases. They explain why perfluorocarbons are a bad alternative to chlorofluorcarbons. They determine both the least and most influential greenhouse gases.
Curated OER
Drink It Up!
Students investigate how the human body needs water by recording their water consumption for a day. They sing a song about drinking water, make and drink Kool-Aid and eat apple slices, and conduct an experiment to determine how much...
McGraw Hill
Glencoe: Self Check Chapter Test Applying Percents 14 Questions
Use Glencoe's randomly generated self-checking chapter test to assess your knowledge on percent applications. Each question has a "Hint" link to help. After completing the test students can click the "Check It" button and the correct...
McGraw Hill
Glencoe: Self Check Chapter Test Applying Percents 12 Questions
Use Glencoe's randomly generated self-checking chapter test to assess your knowledge on percent applications. Each question has a "Hint" link to help. After completing the test students can click the "Check It" button and the correct...
McGraw Hill
Glencoe: Self Check Chapter Test Ratio, Proportions, and Percent 20 Questions
The interactive assessment examines ratios, proportions, and percents. Students complete 20 questions created by Glencoe. Hints and solutions are included.
Math Drills
Math Drills: Percents Worksheets
Download these worksheets to sharpen your percent calculation skills. Sheets focus on the percentage of a number, percentage rate, and percentage increase/decrease.
Hopelink
Hopelink: Teaching Percentages
Students can brush up on percentage skills with this lesson and calculate percentages using the "Percent Tricks method." For students to successfully use this method, they must have the ability to multiply and divide whole numbers.
Purple Math
Purplemath: Basic "Percent Of" Word Problems
Demonstrates how to set up and solve 'percent of' word problems such as 'What percent of 16 is 5?'.
Oswego City School District
Regents Exam Prep Center: Percents of Increase, Decrease, Discount
Use this lesson with examples in planning instruction on percent of increase, decrease, and discount. In this resource, you'll find three questions with solutions on ways to determine percent.
Shmoop University
Shmoop: Ratios & Percentages: Percentage Increase & Decrease
Students learn about percentage increase and decrease. The mathematics resource consists of examples and practice problems with answers.
Texas Instruments
Texas Instruments: Math Today for Ti: Is Leisure Time Really Shrinking
Students will to organize data from the USA TODAY Snapshot, "Is leisure time really shrinking?," into two scatter plots and determine the quadratic model for each scatter plot. Students will determine if these graphs intersect and learn...
Math Planet
Math Planet: Algebra 1: Exponential Growth Functions
An exponential function is a nonlinear function that has the form of y=a*b^x, where a != 0, b > 0. An exponential function with a > 0 and b > 1, like the one above, represents an exponential growth and the graph of an...
PBS
Pbs: The Lowdown: Poverty Trends: What Does It Mean to Be Poor in America?
Use math to learn about changes in US wealth distribution and poverty rate over time in this interactive from KQED. In the accompanying classroom activity, students interpret the graphs and consider how the poverty rate spike following...