Curated OER
Prime and Composite Numbers
Prime and composite numbers are the focus of this mathematics lesson. In it, learners practice techniques for identifying these two types of numbers. They utilize the Inspiration program to complete a task that is clearly explained, and...
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Calculate the Slope of a Line Using Two Points
Find that slope! This video does an excellent job of demonstrating how to use the slope formula to find the slope of a line using two points. The instructor first reviews the definition of slope of a line, then works three problems using...
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Percent Box
Learners examine the procedures to determine a number when the percentage of the whole is known or to find the whole number when the part or percentage is known.
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Fashion Sense and Dollar Wise
Students work in groups to show understanding of the relationship between fractions, decimals, percentages, and the application of ratios and proportions. In this decimals, fractions, and percents lesson, students use real life consumer...
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Percentages in Word Problems
Eighth graders, after brainstorming all the places they see percentages in every day life (sales, basketball, grades, etc.), calculate percentages from bases and parts in word problems. They review their notes together on percentage...
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A Fraction of the Possibilities
Students review the conversion of fractions to decimals, develop strategies to compare fractions perform complex calculations using ratio techniques similar to the construction of fractions.
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Teaching Percentages
Students calculate percentages using the Percent Tricks method. They multiply and divide whole numbers. They count total number of candies in a bag and calculate the percent of each color.
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Math TODAY - The New Color of Money
Students work with large numbers when determining the height of a stack of $20 bills.
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Probability using M & M's
Using M & M's candies, young statisticians predict the color distribution in a packet of candies and test their predictions against their group and the larger class. A review of converting between fractions, decimals, and percents...
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Solving Single-Step Word Problems
Math wizards learn the five-step plan to solve math word problems. They investigate the five-step process for solving word problems, and examine the use of code words for each of the operations and solve a problem using the strategies.
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Statistics and Shopping
Explore how statistics are used in everyday life. Your soon-to-be savvy consumers use the Internet to find consumer-related statistical information and learn to make wise consumer decisions. Includes links to a practice sheet about data...
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The Language of Mathematics
Students integrate the language, concepts and skills of math into the daily routine and classroom environment. They think mathematically by participating in short, daily, individual, small group, whole group and transitional activities...
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Working with Percentages
Students complete basic operations using percentages in a variety of real world situations. Discounts are computed and compared to a variety of prices listed in local newspaper advertisements.
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Making Blood!
students research blood's components, and use their math skills to recreate a model of whole blood using commonly found food items.
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Space Shuttle Statistics
students are the opportunity to enhance their computation skills using real life statistics associated with the Space Shuttle. Skills emphasized include working with fractions, decimals, percents, ratios and proportions, comparing units,...
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The Stock Market
Students explore the loss and gain made in the stock market as they invest a sum of money and report the results as percentages instead of points.
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Measure Mania
Groups of students rotate through five classroom stations to estimate, measure, and record volume, length, weight, mass, and area using both customary and metric measure. They evaluate their data to determine how close their estimates...
National Research Center for Career and Technical Education
Depreciation (Double Declining)
Have you ever been told that your new car begins to lose its value as soon as you drive it off the lot? Aspiring accountants take on the concepts of depreciation and book value through an easy-to-deliver career and technology lesson...
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Geometric Fractals and the Chaos Game
Students define fractals and patterns. They explore how a seemingly random process can result in a pattern. Students practice probability and fractions skills by playing the chaos game online.
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Crispy Cookie Class Fundraiser
Seventh graders see the relationship of math and the real world application by manufacturing a product for making a profit. They create a food product from a recipe, record their sales and analyze and report their gross profit.
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Is This Fair?
Pupils discover how to convert fractions to decimals and percents. They play the role of a shopper to complete this activity.
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What's a Per-"cent"?
Students recognize the mathematical connections between fractions and percents. They develop and study graphs to make connections between their data and what it represents. They write about the connections they have discovered.
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New Cars? Selecting and Financing
Twelfth graders determine probabilities of real-life events such as life expectancies, winning a lottery ticket, and the break-even premium. They deduce what percent of markup is. Students are able to compare terms for financing a car...
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Operations for Problem-Solving
Learners examine a problem and develop the best method to arrive at the solution. In this math instructional activity, students apply basic math skills by coming up with the correct steps to solve a word problem. ...