CK-12 Foundation
Percent of a Number: Rock Climbing
What percent of the 100 ft. rock has Marta climbed? Young mathematicians find the percent of number (the rock height) by moving the climber up and down the rock.
Curated OER
Finding a Percent of a Number
For this percent worksheet, middle schoolers find the percent of a number using multiplication. This one-page worksheet contains 20 problems. Answers are provided on the same page.
EngageNY
Percent of a Quantity
Visualize methods of finding percents. Classmates find a percent of a quantity using two methods including a visual model in the 26th lesson in a series of 29. By the end of the lesson, scholars find percents given a part and the whole...
Common Core Sheets
Finding Percent of a Decimal
Math sleuths find ways to solve problems to the nearest hundredth. These worksheets enable them find the percent of a decimal and is great for practice/reinforcement of this skill.
Math Worksheets Land
Percent of a Number - Worksheet
Take the work out of worksheets and give your learners practice with finding percents of numbers in the 100s. This resource has five versions of the same topic to provide different questions to meet your needs.
American Chemical Society
A Catalyst and the Rate of Reaction
More than 90 percent of chemical products are made using a catalyst. Lesson demonstrates the way a catalyst changes the rate of reaction without altering the chemical reaction. A catalyst doesn't appear as a reactant or a product, yet it...
Curated OER
Interactive Zone: Percentages
Learners calculate the percent of a number. This one-page worksheet contains 10 problems. Answers are provided.
Willow Tree
Percent of Change
Your car decreases in value from $20,000 to $17,000. What percent of the value have you lost? Pupils answer word problems by determining the percent of change.
CK-12 Foundation
Percent of a Number: Acid Solution
Mathematicians answer five questions about percents, ratios, and proportions with help from an interactive graduated cylinder. Question types include multiple-choice, fill-in-the-blank, and discussion.
Curated OER
Finding the Percent of Something
This PowerPoint demonstrates the process of finding the percent of a given number. The slides contain various word problems and questions that viewers must find the answer to. This slide show is interactive and allows the middle...
Global Oneness Project
A Day in the Life
We often see other countries depicted in movies, but getting a close look at a typical day in the life of a young person from another country isn't as common. Give your pupils such a look with a resource that helps class members...
EngageNY
Part of a Whole as a Percent
Pupils use visual models, numeric methods, and equations to solve percent problems. To complete the second installment of 20, they find the part given the percent and the whole, find the percent given the part and the whole, and find the...
American Museum of Natural History
A Walk Through the Ruins of Petra
Walking through the ancient Nabataean city of Petra can be a challenge. A tour begins with a 20-minute walk down a rocky slope through the narrow Siq to get to the famous Treasury known to Indiana Jones fans. But that is...
Curated OER
Calculate Percentages
Sixth and seventh graders study the concept of finding the percent of a number. They calculate the percent of any given number. Pupils describe ways to use calculating percents in their daily life, and change percents into decimals,...
Curated OER
Finding the Percent of a Number
For this mathematics worksheet, 6th graders find the percents of various numbers. They set up the problem, estimate, and write their response. Students also compare their answers to their estimates for each problem.
Curated OER
Mental Math: Percent of a Number
In this percent of a number worksheet, students solve a series of 6 word problems. Students are given "hints" to help solve problems 1 and 2.
Santa Monica College
The Composition of Potassium Chlorate
The third lesson in a series of 11 begins by using thermal decomposition of potassium chlorate to determine the mass percent of oxygen. Then a second activity allows scholars to demonstrate that the resulting residue is from a...
Curated OER
Calculate the Slope of a Line Using Two Points
Find that slope! This video does an excellent job of demonstrating how to use the slope formula to find the slope of a line using two points. The instructor first reviews the definition of slope of a line, then works three problems using...
Curated OER
What Percent of a Number is a Number?
In this algebra worksheet, students answer the question to what percent of a given number is a given number by setting up a percent proportion. There are 10 questions.
Achieve
Spread of Disease
Viruses can spread like wildfire, and mathematics can model the speed of infection. Given a function, scholars analyze it to describe the spread of a disease within a stadium. Learners find the initial number infected and the maximum...
Illustrative Mathematics
The Price of Bread
As part of an initiative to strengthen our young adults' financial understanding, this problem explores the cost of bread and minimum wage since the 1930s. Learners are asked to find the percent increase from each year and compare it...
Curated OER
Stretching the Truth
Sixth graders visualize different percentages as parts of a whole on visual images. They observe alterations of photographs, and models of circles, squares and sets. This incredibly detailed, eight-page plan leads you through everything...
Curated OER
The Art of Interpreting Percent
Ddefine the relationships between fractions, decimals, and percentages in a series of lessons. The class practices converting between these three versions of a number. They also find the common factor of a numerator and denominator and...
Science Geek
The Hydrogen Bomb
Recycled Russian nuclear weapons provide 10 percent of the nuclear energy that the United States uses. The short presentation discusses the Teller-Ulam device. It provides a diagram of the parts as well as a description of the four...