Curated OER
Percent Yield
In this percent yield worksheet, students solve 4 problems. They find the percent yield given the chemical reaction, the mass of the reactants and the mass of the products. Given the percent yield students find the liters of a substance...
Common Core Sheets
Finding Percents
What is 75% of 200? The answer is 150. These are the types of questions students are prompted to solve, in a worksheet that reinforces finding percents of a number.
Curated OER
Percent of Change, Discounted Price, and Total Price
In this percent of change worksheet, students find the percent of increase and the percent of decrease. They compute sales tax and determine the final price. Students also figure the discounted price of an...
Illustrative Mathematics
Overlapping Squares
The objective of this activity is to find the percent of the area of a two squares overlapping. Mathematicians find the ratio of area for the part that overlaps to the rectangle formed. The final answer is a percent as a rate per 100....
Virginia Department of Education
Finding the Formula and Percent Composition
Do you have mole problems? If so, call Avogadro at 602-2140. The lesson starts with pupils working independently to solve for molar mass of ionic compounds. Then they learn to solve for percent composition and later perform an...
CK-12 Foundation
Applications of Linear Systems: Alcohol Solution in Nursing
Solve alcohol systems to find the right solution. The interactive allows pupils to manipulate the amount of a solution and displays the total amount in a mixture. Individuals determine the amount of each solution needed to make 15 liters...
Illustrative Mathematics
Eratosthenes and the Circumference of the Earth
The class gets to practice being a mathematician in ancient Greece, performing geometric application problems in the way of Eratosthenes. After following the steps of the great mathematicians, they then compare the (surprisingly...
CK-12 Foundation
Understand and Create Histograms: Car Sales
Create a history of car sales. Pupils create a histogram/bar graph to show the number of car sales made during the week. Using the data display, learners calculate numerical summaries of the data and find the percent of cars sold during...
Curated OER
Percent of a Number
In this percent worksheet, students complete problems such as changing percents to decimals, filling in percentage charts, and more. Students complete 8 problems.
Curated OER
Percent Word Problems
In this word problem worksheet, students find the percent of a number. This two-page worksheet contains 18 problems. Answers are provided on the last page.
David Pleacher
Candy Math Fun
Few things can motivate children to learn like the promise of a sweet and tasty treat. Given a bag of M&M®s, Skittles®, or other colorful candy, students first predict the contents of the bag before counting the pieces,...
Inside Mathematics
Swimming Pool
Swimming is more fun with quantities. The short assessment task encompasses finding the volume of a trapezoidal prism using an understanding of quantities. Individuals make a connection to the rate of which the pool is filled with a...
EngageNY
Estimating a Population Proportion
Find the percent of middle schoolers who want the ability to freeze time. The 21st installment in a series of 25 has groups collect a random sample of respondents who answer a question about superpowers. Using sample statistics,...
Teach Engineering
Energy and the Pogo Stick
Let your class bounce to examine the concept elastic potential energy. Individuals bounce on a pogo stick in order to calculate its elastic potential energy. Groups then compare the elastic potential energy to the gravitational...
Civil Rights Movement Veterans
Timeline of Events: 1960’s Civil Rights Movement of St. Augustine, Florida
A timeline can be a powerful learning tool because it reveals a pattern in events. While few would consider St. Augustine, Florida a hotbed of the 1960s Civil Rights Movement, a selection of background information and a timeline of...
EngageNY
Problem Solving When the Percent Changes
Use more than one whole to solve percent problems. The ninth installment in a 20-part series has pupils work percent problems in which they must determine two wholes. Individuals use double number lines to represent and solve the...
Curated OER
Percentage Practice
In this percentage worksheet, students find the percent of a two-digit and three-digit whole number, change the percent to a decimal, and multiply. Students solve twenty problems.
EngageNY
Solving Percent Problems III
What happens when combining percentage discounts? The last instructional activity in a series of 29 introduces the idea of combining discounts one after another. Pupils wrestle with the claim that to find the total discount, they...
EngageNY
Percent Error Problems
Individuals measure a computer monitor and determine how accurate their measures are. The eighth segment in a series of 20 introduces the concept of percent error. Pupils find the percent error of their measurements and discuss the...
Math Worksheets Land
Finding Percentages (of 10s)
Here are five different versions of worksheets to calculate percentages of a number. Although there is no answer key, this resource takes the work out of making different versions of the same topic.
CK-12 Foundation
Fractions as Percents: Baking Cookies
A five-question interactive challenges mathematicians to solve word problems involving fractions as percents. Baking two different types of cookies and needing the exact amount requires scholars to make fractions, turn them into...
Curated OER
Percent Problems
In this statistics instructional activity, students find the percentages of the five given numbers. There is one problem where the students must find the percent of a fraction.
Creative Chemistry
Finding the Percent of Iron in Lawnsand
For this percent of iron in lawnsand worksheet, learners perform a titration of lawnsand using potassium manganate(VII) solution and determine the number of moles of iron in the sample. Students use the number of moles to find the mass...
Curated OER
The Mathematics of Chemical Formulas
Wow! This is one of the most exhaustive presentations on finding chemical formulas that you will come across! Beginning with the basics, and leaving junior chemists with procedures and concrete examples, this PowerPoint certainly...