Curated OER
Percent of Change
In this percent of change activity, students calculate the change in two whole numbers. They compute the percent of change and indicate if it is an increase or decrease.
Curated OER
Ratios, Proportions, and Percents - Week 4
In this ratio, proportion and percent worksheet, students solve problems involving ratios and proportions. They identify the percent of increase and decrease, solve ratio problems with proportions, and find sale prices. This two-page...
Curated OER
Percentage Increase And Decrease
In this math instructional activity, students practice calculating percentages when there is an original amount and then an increase or decrease. Students figure out what the new amount would be. No instruction is given on how to...
Texas Instruments
Math TODAY for TI-Navigator System - Is Leisure Time Really Shrinking?
High schoolers organize data from the USA TODAY Snapshot, "Is leisure time really shrinking?" into two scatter plots and determine the quadratic model for each scatter plot. They determine if these graphs intersect and learn the concept...
Curated OER
Percent Applications
In this percent application worksheet, students solve word problems containing concepts such as percent, proportions, sale price, discounts, interest, commission, tax, and more. Students complete 11 problems.
Beyond Benign
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...
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.
Curated OER
Percent of change
For 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
Investigation- What Does It Cost?
Eighth graders investigate percents by comparing different discounts on the same sale item, practice graphing percents, and look at reasonable and unreasonable "percents off" a sale item.
Virginia Department of Education
Middle School Mathematics Vocabulary Word Wall Cards
Having a good working knowledge of math vocabulary is so important for learners as they progress through different levels of mathematical learning. Here is 125 pages worth of wonderfully constructed vocabulary and concept review cards....
Rochester Institute of Technology
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...
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,...
Curated OER
Finding A Percentage
Helpful after a lesson on percentages, this worksheet can reinforce the steps and formulas necessary for finding percentages. Learners calculate the percent one number is of another, and then the percent of change (increase or decrease)...
Curated OER
Not Everything is More Expensive
Students compare prices and determine percent increases and decreases of items in order to make wise purchases. In this percent increases and decreases lesson plan, students calculate the amounts based on grocery store ads.
Curated OER
Percent of Decrease of a Number
In this percent of decrease of a number learning exercise, students solve 4 problems using work space provided. Answers are included on page 2.
Curated OER
Math and Climate Worksheet
In this math and climate worksheet, students complete a set of 10 word problems, all related to math and climate. A reference web site is given for additional activities.
Noyce Foundation
Mixing Paints
Let's paint the town equal parts yellow and violet, or simply brown. Pupils calculate the amount of blue and red paint needed to make six quarts of brown paint. Individuals then explain how they determined the percentage of the brown...
Achieve
Framing a House
If members of your class wonder where they can use the math they learn in middle school, let them discover the answer. Learners apply geometry concepts of scale and measure to calculate the costs of framing a house addition.
Curated OER
Latitude
Your young geologists generate a graph given a table of values from the context of latitude and percent of the earth's surface north of that latitude. The questions in the activity then focus the learners to a deeper understanding of the...
Willow Tree
Extremes, Range, and Quartiles
The middle of the data is important, but what about the rest of it? The lesson shows learners the importance of the range, quartiles, and extreme values. Pupils practice finding each of these values from given data sets.
Curated OER
Percent/Percentage Word Problems (Part 3)
In this Algebra I worksheet, 9th graders solve percent application problems, including percent of increase and decrease. The one page interactive worksheet contains seven problems. Answers and a hint are provided.
Curated OER
Percents and Discounts
Students convert between decimals and percents. In this algebra lesson, students define percent as it relates to sales and tax. They calculate the percents of number using multiplication.
Curated OER
Percent Application Worksheet
In this problem solving worksheet, students solve each of the ten word problems by using their knowledge of percent, proportions, simple interest, and sales tax.
Inside Mathematics
Graphs (2007)
Challenge the class to utilize their knowledge of linear and quadratic functions to determine the intersection of the parent quadratic graph and linear proportional graphs. Using the pattern for the solutions, individuals develop a...