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EngageNY
Changing Scales
Pupils determine scale factors from one figure to another and the scale factor in the reverse direction. Scholars compute the percent changes between three figures.
Math Mammoth
Fractions, Percents, and Decimals
In this percents activity, students complete 3 charts in which percents, decimals and fractions are converted. Students also solve 20 problems with the changing of percents to decimals or fractions.
Curated OER
Weather, Sea Level Rise and Climate Change Course
Students explain the impact of glacial melting to global climate change. In this environmental science lesson, students design an experiment to investigate the effect of salinity change to melting glaciers. They share their results to...
Math Worksheets Land
Percent Error and Percent Increase - Matching Worksheet
Calculating percent change is a handy tool to understand sales, discounts, and other numerical changes we come across. Here, worksheet practices percent change and percent error with a variety of problems to let your learners see...
Math Worksheets Land
Percent Error and Percent Increase - Guided Lesson
When prices and numbers change, can you calculate by how much? Here is a worksheet that introduces the idea of percent change and percent error to calculator how much change the information goes through. Use the worked-out solutions...
Curated OER
Developing the Concept: Percents
In this percents lesson, learners review how to solve a multiplication equation where they must solve for a variable. They solve equations with missing numbers and percents.
Curated OER
Learning Decimals and Percents
Students recognize the relationship between decimals and percents. In this decimal and percent lesson plan, students complete a worksheet to change from fractions to decimals, and from decimals to percents.
Pingry School
Determination of the Percent Hydration and the Simplest Formula of a Hydrate
Does the crystal structure of a hydrated solid determine the proportion of water absorbed, or does the application of heat change the absorption? Scholars experiment with both variables to determine the answer. They add their collected...
PBS
The Lowdown — Poverty Trends: What Does It Mean to Be Poor in America?
Here's a resource that's rich with learning opportunities. Future mathematicians investigate the poverty rate in America over time. They use an interactive to compare the poverty rate during the Great Recession of 2008 to other years,...
Curated OER
Changing Decimals and Fractions to Percents
In this fractions and decimals to percents worksheet, students review how to change decimals and fractions to percents. In the first set, students write the decimals as percents and then write the fractions as percents.
EngageNY
Markup and Markdown Problems
There is a 100 percent chance this resource will help pupils connect percents to financial literacy. Young mathematicians use their knowledge of percents to find markups and markdowns in financial situations in the seventh segment in a...
American Chemical Society
Energy Foundations
Only 10 percent of an incandescent bulb's energy is used to create light; the remaining 90 percent is heat. In the unit of activities, young chemists examine energy through hands-on activities, videos, discussions, and...
Curated OER
Percent III
This PowerPoint provides the steps needed to change a fraction into a percent. Each slide displays the steps in written details, along with an actual example of the problem. This PowerPoint is effective in introducing the steps of...
Illustrative Mathematics
Chess Club
When the membership in a chess club changes, it is your mathematicians' job to find out how many boys and girls are attending and the percent change from last year. The activity provides a great compound problem finding the different...
Illustrative Mathematics
Shirt Sale
Everyone loves a good deal, and your mathematician's job is to calculate the original price when given the discount. A different type of problem than the traditional "find the percent change" has your learners working backwards 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,...
Illustrative Mathematics
Selling Computers
A quick activity to test your learners' knowledge of percent increase. When an electronic store needs a 30% increase in computer sales, your mathematicians must calculate how many computers they need to sell next month.
CK-12 Foundation
Percents as Decimals
In some cases, decimals are just easier to work with. An easy-to-use interactive shows how to convert percents to decimals. It then challenges learners to answer a set of questions, some of which include percents that are greater than...
CK-12 Foundation
Complement Rule for Probability: Changes in an Election
Pupils determine the probability of one mayoral candidate winning given the other's chance. The interactive provides a circle graph to help visualize each candidate's percentages of winning.
Teach Engineering
Solar Water: Heat it Up!
Young engineers are instructed to design and build their own solar water heaters. Then, they calculate the efficiency and cost and compare them to commercially available models. This is a full unit for pupils to apply their knowledge.
Curated OER
Changing Percents
This PowerPoint enables students solve problems that involve changing a percent into a fraction. These slides contain several word problems for students to answer and illustrations to match the problem. This is a great way to assess a...
CK-12 Foundation
Pie Charts: Soda Party
Using the interactive, pupils create a pie chart that represents the percentage of sodas bought for a party. Individuals need to determine the percentage and number for the final variety of drinks. The learners determine how the...
Pingry School
The Water Lab – Spreadsheet Simulation
More than 70 percent of people and 90 percent of businesses use spreadsheets regularly. While many courses overlook the important skill, the simple water lab focuses on entering spreadsheet data, formatting it, and printing plots based...
Houghton Mifflin Harcourt
Intensive Math
Three chapters worth of integer, fraction, and decimal problems to give you every type of question your learners need to be a successful mathematician. Thankfully the work has been done for you and this is a huge resource full...