Interactive
Mangahigh

Mangahigh: Number: Find Percents Calculator

For Students 6th - 8th Standards
Determine the decimal that is related to the percent.
Handout
Math Open Reference

Math Open Reference: Percent

For Students 4th - 6th Standards
Explore percents with this easy reference guide. Learn how to convert fractions to percents and percents to fractions. Try the sliding bar to see how a percentage is calculated. Detailed explanations and examples are included.
Interactive
Calculator Soup

Calculator Soup: Mixed Number to Percent Calculator

For Students 9th - 10th
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,...
Interactive
Calculator Soup

Calculator Soup: Decimal to Percent Calculator

For Students 9th - 10th
Convert decimals to percentages with this calculator. Input a decimal number to convert both the whole number and decimal part of the number to a percent value.
Interactive
Calculator Soup

Calculator Soup: Fraction to Percent Calculator

For Students 9th - 10th
Convert a fraction to a percent. Convert proper and improper fractions to percentages. This calculator shows the steps and work to convert a fraction to a percentage number.
eBook
Houghton Mifflin Harcourt

Holt, Rinehart and Winston: Homework Help Independent Practice: More Application of Percents

For Students 9th - 10th Standards
Get independent practice with more applications of percents to real world situations. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Percents 2

For Students 9th - 10th Standards
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...
Unit Plan
CK-12 Foundation

Ck 12: Limiting Reactant and Percent Yield

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students wil begin to analyze a chemical reaction in order to determine which reactant is the limiting reactant and which is the...
Handout
Goodwill

Gcf Global: Calculating Percentages

For Students 9th - 10th
Learn how to calculate percentages to help you figure out discounts, interest, and more.
Unit Plan
PBS

Pbs: The Lowdown: Defining and Calculating Percents

For Students 6th - 8th
Explore methods for calculating and comparing discounts in this video from KQED. In the accompanying classroom activity, students develop different strategies for calculating and comparing discounts, including percent off a price,...
Activity
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: Percent With a Calculator

For Students 3rd - 8th
This tutorial explains how to use a calculator to find a percent. There is also a practice section at the end of the lesson.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Conversion of Decimals, Fractions, and Percent

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Convert decimals to percents, percents to decimals and fractions, and fractions to percents.
eBook
Math Planet

Math Planet: Algebra 1: Calculating With Percents

For Students 9th - 10th
Provides examples and a video lesson that illustrates how to solve percent problems.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Conversion of Decimals, Fractions, and Percent

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Identify equivalent ratios as fractions, decimals, and percents.
Unit Plan
PBS

Pbs: The Lowdown: The Math of Trash: Percents and Proportions

For Students 6th - 8th
Discover how percents and proportions help explain issues like climate change, composting, and zero waste in this video from KQED. In the accompanying classroom activity, students estimate the percentage of various types of trash that...
Handout
Science Struck

Science Struck: How to Calculate Percentage Increase

For Students 5th - 8th
Explains and demonstrates how to calculate the percentage increase from year to year and how to calculate it using an Excel spreadsheet.
Activity
CK-12 Foundation

Braingenie: Whole Number Percentage Calculations Without Units

For Students 1st - 8th
[Free Registration/Login may be required to access all resource tools.] In this activity, students are to determine the percent of a number. Watch a video for additional help and answer a practice problem.
Unit Plan
PBS

Pbs: The Lowdown: Percents Defined

For Students 6th - 8th
Learn how to calculate percent as a rate per 100 in this video from KQED. In the accompanying classroom activity, students model percent with a 10 x 10 grid. After watching the video, they create a design or picture on a 10 x 10 grid,...
Unit Plan
Homeschool Math

Homeschool Math: How to Calculate Percentages

For Students 5th - 8th Standards
Learn how to calculate percentages in this easy lesson.
Activity
Help Algebra

Help algebra.com: Percents

For Students 9th - 10th
Converting percents to and from decimals and fractions is demonstrated in detailed examples. Once the concept is understood, you can use it to solve equations that contain percents.
eBook
Houghton Mifflin Harcourt

Holt, Rinehart and Winston: Homework Help Independent Practice: Percent Change Increase and Decrease

For Students 9th - 10th Standards
Get independent practice working with finding percent increase and decrease. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Activity
National Council of Teachers of Mathematics

The Math Forum: Finding 2.5 Percent of a Number

For Students 5th - 8th
This site provides shortcuts and hints on how to do more complicated percentages without a calculator. For others beside 2.5, scroll down the left column and click percentage of choice under "Percents."
Activity
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: Percent With a Calculator Problems

For Students 3rd - 8th
Students practice solving percent problems. To see the answers learners need to roll their mouse over the colored area.
Activity
Texas Instruments

Texas Instruments: Picturing Percents

For Teachers 6th - 8th
In this activity, students represent percents on a 10 X 10 grid. They use the grid and the calculator to generate patterns that lead to methods for calculating percentages.