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### We found 42 resources with the concept percent decrease

Videos (Over 2 Million Educational Videos Available)

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Three-Dimensional Coordinates and the...

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Algebra 50 - Three Variable Systems in the...

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Thomas Jefferson - Author of The...

Other Resource Types
(42)

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#### LineUp with Math: Math-Based Decisions in Air Traffic Control Grades 5-9

Teach young traffic controllers what it takes to control planes safely. The first lesson in a series of six introduces the class to the air traffic control situation. The pupils examine units used in air travel, then learn how to read...

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#### Common Core Algebra 1

The Flipped-Mastery Classroom offers an entire Algebra 1 class aligned to Common Core Standards. Lessons begin with an instruction video. Learners can pause the video to take notes and replay the video to check for understanding. The...

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#### Common Core Algebra 1, Unit 7: Exponential Functions

The three lessons in the Exponential Functions Unit cover exponential growth, exponential decay, and linear vs. exponential. In the first lesson, learners watch a quick review on function notation as they prepare to learn more about...

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#### Power Pack: Lessons in Civics, Math, and Fine Arts

Newspaper in Education (NIE) Week honors the contributions of the newspaper and is celebrated in the resource within a civics, mathematics, and fine arts setting. The resource represents every grade from 3rd to 12th with questions and...

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#### More Percent Problems

If Sal has fifty dollars in his pocket and everything at the store is 25% off the marked price; What is the highest marked-price item he can buy? He also demonstrates what would happen if he invested $100 and gained 25% the first year,...

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#### Unit 7 Review: Exponential Functions

Grow to review exponential functions. With the unit review, learners identity the type of function for given equations, such as exponential growth, decay, or linear. Pupils write the correct function for situations and then use the given...

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#### Exponential Decay

The values keep getting smaller—quickly! Pupils watch a video that contrasts exponential decay with exponential growth from the first lesson in the unit. Learners identify exponential functions that are decaying and create graphs of...

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#### Percentages: Lesson 1

Math can be taxing at times. With a short lesson, pupils determine how income tax affects take-home pay. Learners determine their net pay based on tax tables and how adjustments in their gross pay changes the paycheck.

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#### Percent of Change: The Pizza Conundrum

Nine questions—multiple choice and fill in the blank—challenge mathematicians to solve money word problems. Looking closely at prices, scholars use a formula to identify percent increases and decreases based on an original and new price....

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#### Reverse Percentages

What was the original? Scholars learn how to find the whole when given the percent and the part in a percent problem. Eager learners use their skills to respond to several questions on a worksheet.

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#### Percentages: Multipliers for Increasing and Decreasing by a Percentage

Solve two-step percent problems with a single multiplication. By reviewing how to find the percent of a problem, the video introduces the idea of finding multipliers to find solutions for increasing or decreasing percent problems. Pupil...

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#### Percentages: Increasing or Decreasing by a Percentage

Increase or decrease the value. Individuals learn how to determine a new value after being either increased or decreased by a percent. Pupils then practice their skills using a worksheet that covers the concepts.

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#### Percentages: Change

How much did it change? The presenter works two problems to demonstrate how to calculate percentage loss and increase. Pupils have one learning exercise to practice similar problems on their own.

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#### Smarter Balanced Sample Items: 7th Grade Math – Claim 3

Does the explanation make sense? Sample items highlight claim three, communicating reason, in the Smarter Balanced assessments. Teachers use the 16 items to help show pupils the importance of communication and reasoning within...

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#### 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,...

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#### Percents of Increase and Decrease

Increase your class's knowledge of percent change several fold. Viewers of an informative video learn how to calculate percent increase and decrease. They also see how to determine percent error and look at examples of each type of...

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#### Municipal Waste Generation

Statistically, waste may become a problem in the future if people do not take action. Using their knowledge of statistics and data representation, pupils take a look at the idea of waste generation. The four-part unit has class members...

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#### Resolving 2-Plane Traffic Conflicts by Changing Speed—Problem Set E

What do you do to change arrival times of airplanes when a different route is not available? The fifth interactive in a series of six presents problems where pupils must find solutions to conflicts of safety rules. They must decide how...

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#### Skateboard Assembly - Cycle Time

Assemble a great lesson on assembly lines. In the first installment of a nine-part technology/engineering series, future entrepreneurs learn about the manufacturing process, specifically about the assembly line and cycle time. The lesson...

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#### Increasing and Decreasing Quantities by a Percent

As part of a study of percent and percent change, learners first complete an assessment task with several percent change problems. They then complete an activity using cards to create a diagram expressing percent increases and decreases...

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#### 25% Sale

Free clothes? In the middle school assessment task, learners first consider whether four 25 percent reductions will result in a sale price of $0. Mathematicians then determine the sale price and discount percentage of such a sale.

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#### T-Shirt Sale

Everyone loves a sale! As pupils investigate a sale on t-shirts, they determine the percent discount and original prices.

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#### Sale!

Let's save some money! High schoolers investigate different options for price reductions. They then determine the best and worst sale from a list of options.

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#### 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.