CK-12 Foundation
Prices Involving Sales Tax: Proper Tipping
A five-question interactive challenges mathematicians to find a correct tip and total amount using percents five, 12, and 18. A tool with moveable pieces assists participants in locating answers. Types of questions include...
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
Climate Change
Young scholars identify the major sources of greenhouse gas emissions while recognizing links between energy consumption and carbon dioxide emissions. they Review U.S. policy efforts to cooperate internationally to combat climate change.
Curated OER
Discount and Sales Price
One of the most practical ways to teach about percentages is to use the real-life example of "sale" or "discount" pricing. This presentation poses many of these type of problems for young mathematicians who are trying to master the...
Curated OER
Percentage to Decimals Coordinates Game
In this coordinates worksheet, learners solve the percentage problems in the box that is called out by the coordinate where they change the percentages to decimals. Students complete 16 problems.
Curated OER
Percentages
In this percentages learning exercise, students study the information and examples on a one page text. Students then solve 14 problems in which decimals and percentages are converted. Students also convert percentages to fractions.
Curated OER
Stock Market Math
Students calculate commission for a stock transaction through a broker using the relationship between percentages and decimals. They decide which stocks are preferable based on the price to earnings ratios listed on the stock market quotes.
Education World
The African American Population in US History
How has the African American population changed over the years? Learners use charts, statistical data, and maps to see how populations in African American communities have changed since the 1860s. Activity modifications are included to...
Curated OER
Multiplication and Areas
Upper graders solve problems involving measurement of squares and rectangles to practice multiplication skills, finding area, and calculating prices and percentages. A performance assessment is included.
Mathalicious
Three Shots
To foul or not to foul, that is the basketball question. High schoolers look at the probability that fouling out a player and allowing free throws yields a better outcome than allowing the original shot. The resource provides a teacher's...
Montana State University
What's the Weather?
How many jackets do you need to stay warm and climb Mount Everest? An informatie resource covers the topic of Mount Everest, the resource helps young scientists discover the difference between climate and weather. Activities include...
Curated OER
Percent of change
In this percent of change worksheet, students figure out the percent of money amount if something is on sale and it is a certain percentage of the price. Students solve 9 problems.
Curated OER
Percentages and Fractions of Amounts
In this math worksheet, students change percents to fractions on five problems. Students complete a table. Students find a given percent of five numbers. They complete five story problems involving percents.
Curated OER
Percentages, Fractions and Decimals
In this algebra worksheet, students are asked to convert between percents, fractions and decimals. They calculate interest as it relates to real world scenario. There are 5 a,b,c questions.
Curated OER
Jeopardy 8th Grade (Science)
There are so many topics touched upon in this Jeopardy-style science game, that it is difficult to classify! The categories include electricity, matter, ecology, earth and space, and scientific investigation. This would best be used at...
Curated OER
Changing Fractions to Percents
In this fractions to percents worksheet, students solve 6 problems, converting fractions given to percentages. Students may click on hint or check answer buttons.
Curated OER
Stock Charting: Percentages and Profits
High schoolers discuss and use a formula to calculate "Percent of Change." They duscuss the stock market and ways reports are quantified. Students watch as the teacher demonstrates how to create a spread sheet to calculate changes of a...
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.
Curated OER
Changing Perspectives on the Sun's Diameter
For this sun's diameter worksheet, students use a photograph taken by the SOHO satellite of the sun showing a change in diameter from one month to another. Students find the average diameter of the sun, they determine the percent change...
Curated OER
Using Ratios to Taste the Rainbow
Learners solve problems using ratios and proportion. In this algebra lesson, students analyze skittles and their different colors as they apply the properties of ratios and proportions to solve their problems.
Positively Autism
Spring Break Social Skill Story
Changes in routines can prove to be difficult for all kids, but especially for autistic learners. Here's a story designed to prepare kids for the change in schedule brought on by spring break.
CK-12 Foundation
Stratified Random Sampling: An Extracurricular Study
Learning isn't a random process. A well-designed interactive lesson helps classes make key conclusions about stratified random sampling. They calculate group percentages and use those percentages to decide on sampling totals.
Cornell University
Atomic Bonding
Explore the connection of surface area to bonding within atoms. Learners complete lab investigations to model changing surface area with different sizes and concentrations of atoms. A flour fireball demonstration follows the labs to...
Illustrative Mathematics
Comparing Years
Who knew that the Egyptian, Julian, and Gregorian year were different lengths? Your mathematicians will! They will have to calculate the difference between the years in seconds and find the percent change. Using dimensional analysis,...