Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Percents 1
Twenty-five problems present a variety of percent topics: percents as fractions, improper, and mixed numbers, percents as decimals, simple interest, and percent of increase/decrease. They are given with each step to the solution cleverly...
CK-12 Foundation
Ck 12: Arithmetic: Percent of Increase Grade 7
[Free Registration/Login may be required to access all resource tools.] Find the percent of an increase.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Percents 2
Twenty-eight problems present a variety of percent topics: percents as fractions, improper, and mixed numbers, percents as decimals, simple interest, and percent of increase/decrease. They are given with each step to the solution...
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.
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.
CK-12 Foundation
Ck 12: Arithmetic: Percent of Decrease
[Free Registration/Login may be required to access all resource tools.] Find the percent of decrease.
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?'.
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.
Mangahigh
Mangahigh: Number: Percent Increase and Decrease No Calculator
Students learn about the concept of percent change by exploring a tutorial. They can then test their knowledge by taking a ten question assessment that increases in difficulty as they correctly answer questions.
Mangahigh
Mangahigh: Number: Percent Increase and Decrease Calculator
Students learn about the concept of percent change by exploring a tutorial. They can then test their knowledge by taking a ten question assessment that increases in difficulty as they correctly answer questions.
Other
Ged Middle School Mathematics Practice Problems: Finding the Percent of Change
Eight questions to practice calculating percent decrease or increase. Both math problems and word problems included.
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.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Percent Increase and Decrease
Find a quick, concise explanation of how to find what the percent of increase or decease is. Examples are given and clearly explained.
Help Algebra
Help algebra.com: Percent Increase and Decrease
A discussion on how to solve problems of percent increase and decrease is the focus of this resource. Several real world examples are presented with paragraph form solutions.
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...
Illustrative Mathematics
Illustrative Mathematics: 7.rp Chess Club
Seventh graders use their knowledge of proportional relationships to determine the percent increase or decrease.
Illustrative Mathematics
Illustrative Mathematics: 7.ee Discounted Books
A performance task asking students to see two different ways to look at percentages, as an increase and as a decrease of an original amount.
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...
PBS
Pbs Learning Media: Atmospheric Oxygen
In this feature, adapted from Interactive NOVA: Earth, students explore the relationship between oxygen concentration and the well-being of various organisms by simulating a change in oxygen levels and observing what happens.
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...
Texas Instruments
Texas Instruments: Science Today West Nile Killing More People
After studying the USA TODAY Snapshot? "West Nile killing more people,"students will compare the number of West Nile cases in the United States over the past three years. From the data, percent increases and decreases from year to year...