Mathed Up!
Surds
Young mathematicians learn how to simplify expressions with square roots by watching a video that shows several ways to rewrite expressions involving radicals. They work on questions where they rationalize denominators and expand and...
Mathed Up!
3-D Pythagoras
Apply the Pythagorean Theorem in three-dimensional shapes. Young mathematicians watch a video that takes them through several examples of using the Pythagorean Theorem to solve problems involving lengths in three-dimensional figures. A...
Mathed Up!
Spheres and Cones
Class members learn how to apply formulas for spheres and cones with a video that begins with a review of the formulas for surface area and volume of spheres and cones. Pupils use these formulas to solve problems on a worksheet.
Curated OER
Algebra 1: Simplifying Radicals
After discussing the difference between rational and irrational numbers, the class pratices simplifying, adding, and subtracting radical expressions. They play a game which involves passing around cards until they have matching hands of...
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How Do You Analyze a Corporation?
Students find out how to use annual reports to analyze a corporation whose stock they may buy for the Global Stock Game. They read the investor information section, which provides detailed information about the company's products and...
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Lesson 1 Who Owns the World?
Pupils experience how to turn firsthand knowledge of common products into a useful way of choosing stocks for the Global Stock Game. They engage in a simulation of buying stocks.
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Lesson 3 How Do You Read Stock Quotes Online ?
Learners understand how to get and interpret stock price data online. They describe certain aspects of various corporations and know the meanings of important terms involving the stock market.
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Class of Gold
How can you see a number in nature? Here, learners discover both Fibonacci numbers and the golden ratio by exploring a number of different resources. Note: Some of the resources are older and may be missing some of the links, but...
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Is there Treasure in Trash?
More people, more garbage! Young environmentalists graph population growth against the amount of garbage generated per year and find a linear model that best fits the data. This is an older resource that could benefit from more recent...
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A Pocketful of Change
Pupils study the meaning, symbolism, and value of U.S. coins,
especially the quarter. They conduct a survey of coins in students'
possession, graphing the results to show frequency distribution and drawing
inferences about the U.S....
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Retirement: Show Me the Money!
Students explore the concept of retirement finances. In this retirement finances lesson, students discuss what it means to save, invest, risk, or the time value of money. Students play the stock market game. Students interview a parent...
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Algebra I: A Draining Swimming Pool
Learners analyze and develop symbolic representations to describe the amount of water left in a pool being pumped out after a given amount of time, with various pumping rates and initial quantities of water in the pool.
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Pay Check Advance Loans
Students explore the implications of obtaining loans. They assess interest rates, amount to be paid back, and the implications if they do not pay back the loan on time. Students develop a comparison chart.
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Pumped Up Gas Prices
Students spend one month keeping track of the mileage and gasoline amounts they or their family has used. Information is entered into a spreadsheet to help calculate the average gas prices over time.
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Word Problem Primer
In this word problem worksheet, high schoolers are given directions and guidance as to how to solve word problems. They are given the variables used in word problems, the math codes, how to change letters into formulas and 5 steps to...
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The Yo-Yo Problem: Solving Linear Equations
Students compute the length of time it will take to save enough money to purchase a yo-yo. In this math lesson, students create a design with pennies and write the associated linear equation. In this linear equations lesson, students use...
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Investment Plans
Students explore investment plans. They write the explicit and recursive forms of the sequence of an investment and compare the amount to the continuously compounded interest formula for the same time period, interest and principal....
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Super Duper Market
In this algebra worksheet, students rewrite word problems using algebraic symbols. These problems are interactive. There is an answer key.
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Constructing and Solving Linear Equations
Students solve linear equations In this algebra lesson, students create linear equations using integer coefficients greater than one. They graph their solution on a coordinate plane.
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Variables and Expressions
In this variables and expressions activity, 9th graders solve and complete 19 different problems that include translating various expressions. First, they write a verbal expression for each algebraic expression. Then, students write an...
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Four Rectangle Perimeter Problems
In this perimeter instructional activity, students find the perimeter of four rectangles. Explanations, examples, and solutions are provided.
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Order of Operation
Students solve problems using the order of operation. For this algebra lesson, students factor, subtract, add and divide using the correct order to remove parentheses. They simplify expressions by combining like terms.
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Bedroom Floor Plan
Students identify and compare the characteristics of floor plans and zoning to family activities and needs. They draw an accurate floor plan--either existing or a work in progress to scale. Then, students roughly sketch their bedroom...
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MAPS AND TOPOGRAPHY
Students analyze the details of a topographic map and create one of their own by utilyzing a map of elevations.