Mangahigh
Mangahigh: Number: Use Percent to Find Original Value Calculator
Use the inverse operation to determine the original amount.
Mangahigh
Mangahigh: Number: Find One Amount as a Percent of Another No Calculator
When given a word problem determine the fraction.
AAA Math
Aaa Math: Determining Percentage
This lesson explains how to determine the percent of one number compared to another. Includes practice and games to practice this skill.
Khan Academy
Khan Academy: Markup and Commission Word Problems
Practice solving word problems involving price markups and commission fees. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Calculator Soup
Calculator Soup: Mixed Number to Percent Calculator
Convert mixed numbers or mixed fractions to percents. The mixed number to percentage calculator finds the decimal equivalent by finding the decimal value of the fraction, adding the decimal to the whole number part of the mixed number,...
Khan Academy
Khan Academy: Comparing Rates
Example problem: Three different stores are offering a deal on pencils. Which store has the lowest price per pencil? Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Arithmetic: Percent Equations Grade 8
[Free Registration/Login may be required to access all resource tools.] Learn how to solve problems involving percentages by writing an equation.
PBS
Pbs: The Lowdown: Understanding Inflation: A Stop Motion Explainer, Parts 1 and 2
Explore a real-life application of percentage-the math behind rates of inflation-in two animated videos about inflation from KQED. The first video provides an overview of inflation; the second explains the role of inflation in a healthy...
Common Core Sheets
Common Core Sheets: Ratios and Proportional Relationships 6.rp.3c Worksheets
Print or create worksheets or flashcards to assess students' understanding of ratio concepts, useage of ratio reasoning, and percentages.
PBS
Pbs: The Lowdown: What You Need to Know About Immigration Reform
Interpret graphs showing changes over time in the percentage of foreign-born US residents and in annual deportations in this interactive from KQED. In the accompanying classroom activity, students use the interactive and look at how...
AAA Math
Aaa Math: Adding Three Numbers
Find an explanation on how to add three numbers together using pencil and paper. There is also an online game that will keep running totals of your correct and incorrect answers. The lesson also gives you a percent score of the correct...
BBC
Bbc: Percentages
You can pick up some valuable percentage pointers on how to work with them. When you finish working your way through the pages, you can take an on-line "Test Bite" and check your understanding.
McGraw Hill
Glencoe: Self Check Quizzes 2 Mean, Median and Mode
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of finding the mean, median and mode. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page...
McGraw Hill
Glencoe: Self Check Quizzes 1 Geometry Area of Rectangles
Use Glencoe's randomly generated self-checking quiz to test your knowledge of finding the area of rectangles. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check...
McGraw Hill
Glencoe: Self Check Quizzes 1 Greatest Common Factor
Use Glencoe's randomly generated self-checking quiz to test your knowledge of how to find the greatest common factor. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click...
McGraw Hill
Glencoe: Self Check Quizzes 1 Coordinate Plane
Use Glencoe's randomly generated self-checking quiz to test your knowledge of locating points on the coordinate plane. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click...
McGraw Hill
Glencoe: Self Check Quizzes 2 Simple Interest
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of simple interest. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check...
McGraw Hill
Glencoe: Self Check Quizzes 2 Lines and Slope
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of lines and slope. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check...
McGraw Hill
Glencoe: Self Check Quizzes 1 Perimeter
Use Glencoe's randomly generated self-checking quiz to test your knowledge of how to find the perimeter of various shapes. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page...
McGraw Hill
Glencoe: Self Check Quizzes 1 Volume of Rectangular Prisms
Use Glencoe's randomly generated self-checking quiz to test your knowledge of finding the volume of rectangular prisms. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click...
McGraw Hill
Glencoe: Self Check Quizzes 1 Area of Triangles
Use Glencoe's randomly generated self-checking quiz to test your knowledge of finding the area of a triangle. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check...
McGraw Hill
Glencoe: Self Check Quizzes 2: Ratios
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of ratios. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It"...
McGraw Hill
Glencoe: Self Check Quizzes 1 Prime Factors
Use Glencoe's randomly generated self-checking quiz to test your knowledge of prime factors. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It" button and...
McGraw Hill
Glencoe: Self Check Quizzes 1 Using Angle Measures
Use Glencoe's randomly generated self-checking quiz to test your knowledge of using angle measures. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It"...