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National Council of Teachers of Mathematics
National Debt and Wars
Take a functional approach to the national debt. Learners collect information about the national debt by decade and plot the data. They determine whether an exponential curve is a good fit for the data by comparing the percent changes...
Math-U-See
Algebra 1 Readiness Test
Your learners will appreciate this assessment of basic skill calculations that are prerequisite to Algebra1. Adding, subtracting, multiplying, and dividing procedures are addressed in conjunction with whole numbers, decimals, fractions,...
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...
Inside Mathematics
Conference Tables
Pupils analyze a pattern of conference tables to determine the number of tables needed and the number of people that can be seated for a given size. Individuals develop general formulas for the two growing number patterns and...
Noyce Foundation
Time to Get Clean
It's assessment time! Determine your young mathematicians' understanding of elapsed time with this brief, five-question quiz.
Curated OER
Solving Percents Problems
Middle schoolers solve problems dealing with percents. In this algebra lesson, students convert between decimals and percents using factoring. They solve one step problems involving percents.
Math Mammoth
Percent Fact Sheet
In this math worksheet, students are given 9 percentage problems that involve conversion, variables, story problems and fractions.
Curated OER
Time Management: Piece of Pie
Students examine their own lives and how well they manage their time outside of school. In this this time management lesson, students discover the amount of time they spend on other activities, and create a pie chart with that...
Curated OER
Unit 0 Review - Measurement Lab Equipment
Review questions like these can be used in your biology, chemistry, physics, or earth science classes! They assess scientists' understanding of laboratory measurement tools including graduated cylinders, thermometers, and balances. They...
Yummy Math
Steep Hikes
Grab your hiking gear and get ready for a math adventure! Learners explore the meaning of percent grade change, as compared to the slope in an excellent activity activity about hiking trails in the mountains of New Hampshire. They...
LABScI
Freezing Point Depression: Why Don’t Oceans Freeze?
Can you go ice fishing in the ocean? Learners examine the freezing point of different saltwater solutions. Each solution has a different concentration of salt. By comparing the freezing points graphically, they make conclusions...
EngageNY
Describing Variability Using the Interquartile Range (IQR)
The 13th activity in a unit of 22 introduces the concept of the interquartile range (IQR). Class members learn to determine the interquartile range, interpret within the context of the data, and finish by finding the IQR using an...
Curated OER
Nonviolence as a Tool for Change Lesson 1
Students examine voting rights in the South during the 1950s and 1960s. In this civil rights activity, students examine legal rights and the opportunity to cast votes. Students research primary documents regarding the topic and share...
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
Translate Word Phrases and Sentences into Equations
Use this video to show your learners an example of how to translate word phrases into an equation to solve a real-world problem. The presenter begins with a review of how to use cross products to solve a proportion, including how to do...
Curated OER
Arithmetic Sequences 1.6
In this arithmetic sequences instructional activity, students solve 45 short answer, multiple choice, and graphing problems. Students find the nth term of an arithmetic sequence. Students solve systems of equations using elimination....
Curated OER
Measure of Spread
Students identify the standard deviation. In this statistics lesson, students find the mean distribution and calculate the percent of deviation from the mean. They observe this change on the Ti calculator.
Noyce Foundation
Pizza Crusts
Enough stuffed crust to go around. Pupils calculate the area and perimeter of a variety of pizza shapes, including rectangular and circular. Individuals design rectangular pizzas with a given area to maximize the amount of crust and do...
Curated OER
M&M Math
Students use M&M candies to discover relationships among fractions, decimals, and percent.
Curated OER
The Ups and Downs of the Stock Market
This is a one-page worksheet in which students practice working out the percentage changes in the stock prices of major corporations such as Sears, etc. This is useful in a business or economics lesson.
Curated OER
The Historical and Economic Impact of Military Bases in South Carolina
Eighth graders examine the history of South Carolina's military bases. For this South Carolina history lesson, 8th graders discover details about the history and economic impact of military bases in the state. Students analyze primary...
Global Oneness Project
Deconstructing Consumerism
To increase awareness and launch a discussion of consumerism, class members view What Would It Look Like, a 25 minute film of images that capture the global effects of the consumption of goods. Viewers make a list of the images that...
Shmoop
Functions Worksheet 5
To the point and deeper thinking are both types of questions included in the worksheet. Begin the practice of solving quadratics and then finish with five questions asking quadratic and exponential application problems.
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...