CK-12 Foundation
Ck 12: Arithmetic: Total Bill Including Tip and Tax
[Free Registration/Login may be required to access all resource tools.] In this lesson students calculate total bills including tips and taxes. Students examine guided notes, review guided practice, watch instructional videos and attempt...
CK-12 Foundation
Ck 12: Arithmetic: Simple Interest
[Free Registration/Login may be required to access all resource tools.] In this lesson, students find total amounts using the formula for finding simple interest. Students examine guided notes, review guided practice, watch instructional...
CK-12 Foundation
Ck 12: Arithmetic: Simple Interest
[Free Registration/Login may be required to access all resource tools.] In this lesson, students solve real-world problems involving simple interest by using problem-solving strategies. Students examine guided notes, review guided...
CK-12 Foundation
Ck 12: Arithmetic: Percent Equations Grades 9 10
[Free Registration/Login may be required to access all resource tools.] Use the percent equation to find the part, the rate, and the total.
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.
CK-12 Foundation
Ck 12: Arithmetic: Percent of Change Grade 8
[Free Registration/Login may be required to access all resource tools.] Find and understand the percent of change.
Purple Math
Purplemath: Converting Between Decimals, Fractions, and Percents
Scroll down to just below the middle of the lesson for an in-depth lesson on converting fractions to percents. Works through numerous examples step by step and shows what happens when the "decimal expansion" doesn't end when converting.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Percents Are Ratios
This Math Page tutorial explains how percents are ratios and then features a practice exercise.
Education Development Center
Tune in to Learning: Multiple Percents
Have you ever seen an item that you wanted on sale for 15% of its original price? Have you tried to figure out what the sale price would be? Using this interactive lesson from T.V. 411, you can learn to calculate discounts with percentages.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Ratio, Proportion, and Percent
Students show comprehension of basic arithmetic skills. The online test assesses scholars on ratios, proportions, and percents.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Multiplying and Dividing by Powers of 10: The Meaning of Percent
This excellent math resource explains and defines the meaning of percent. Multiplying and dividing by a power of 10 is incorporated as a preview to understanding scientific notation.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Percent of a Number
This Math Page tutorial explains how to find the percent of a number and features a practice to check comprehension.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Percent With a Calculator
This tutorial explains how to use a calculator to find a percent. There is also a practice section at the end of the lesson.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Percent With a Calculator Problems
Students practice solving percent problems. To see the answers learners need to roll their mouse over the colored area.
Purple Math
Purplemath: Algebra Resources
Purplemath contains about 40 different lessons on various algebra topics. The lessons are divided into five different sections: preliminary topics, beginning algebra, intermediate algebra, advanced algebra, and word problems. The lessons...
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?'.
Purple Math
Purplemath: "Mixture" Word Problems
Demonstrates, step-by-step and with examples, how to set up and solve 'mixture' word problems.
Science Struck
Science Struck: How to Calculate Percentage Increase
Explains and demonstrates how to calculate the percentage increase from year to year and how to calculate it using an Excel spreadsheet.
PBS
Pbs Learning Media: Percentages in Basketball
WNBA athletes discuss attendance at basketball games in terms of percentages in this video segment from TV 411.
CK-12 Foundation
Ck 12: Arithmetic: Percents Grade 7
[Free Registration/Login may be required to access all resource tools.] Recognize a percent as a ratio whose denominator is 100.
Frostburg State University
General Chemistry: Percent Compound in a Mixture
Resource contains and example problem and solution of how to compute percent compound within a mixture when given the mixture's mass and element percents.
Illustrative Mathematics
Illustrative Mathematics: 7.ee Discounted Books
A performance task asking young scholars to see two different ways to look at percentages, as an increase and as a decrease of an original amount.
National Council of Teachers of Mathematics
Nctm: Illuminations: Fraction Models
An interactive game to learn fractions less than one, greater than or equal to 1, which are written as mixed numbers and their equivalent decimal and percentage forms
Purple Math
Purplemath: How Do I Compute My Grade?
Demonstrates how to figure out what you need on the Final to pass your course, given a typical grading scheme.