Curated OER
Triangle Inequality Theorems Investigation
Students estimate and measure triangles. In this geometry lesson, students identify the relationship between three sides and a triangle. They use the inequality theorem to decide if a triangle will be formed or not.
Curated OER
Using The Quadratic Formula
In this math worksheet, students solve for the quadratic equations while applying the Quadratic Formula. Then they simplify into the lowest terms.
Curated OER
Crossword Sudoku
In this crossword sudoku worksheet, students solve given clues. They apply the clues to determine nine unique letters using logic skills. Finally, students solve the sudoku puzzle. This one-page worksheet contains 8...
Curated OER
Dimensional Analysis
In this mathematics instructional activity, students apply dimensional analysis to solving each problem. They identify the conversion factor and describe a unique characteristic of a conversion factor. Students also identify the unit in...
Curated OER
Reasoning with Rules
In this reasoning with rules worksheet, students solve and complete 12 different problems that include applying various rules to solve the equations given. First, they assume all segments are straight and state the rule used to solve...
Curated OER
Shortest Distance Problem
In this algebra instructional activity, students solve 1 shortest distance problem. This is a challenging problem that requires students to apply knowledge and use their critical thinking skills. A fully explained solution is included.
Curated OER
Six Point and Line Always, Sometimes, or Never True Problems
In this points and lines worksheet, students apply their knowledge of points and lines to evaluate whether each of the six statements are always, sometimes, or never true.
Curated OER
Order of Operations
In this order of operations worksheet, 9th graders solve 10 different equations by applying the order of operations in each. First, they perform any calculations inside the parentheses. Then, students perform all multiplication and...
Curated OER
Order of Operations
In this order of operations instructional activity, 9th graders solve 10 different problems that involve applying the order of operations. First, they perform any calculations within the parentheses. Then, students perform all...
Curated OER
Positive, Negative and Zero Exponents
For this exponents worksheet, 9th graders solve 10 different equations that involve various exponents. First, they simplify the positive, negative and zero exponents. Then, students evaluate the exponents by applying the division property.
Curated OER
Fractional Exponents
In this fractional exponents learning exercise, 9th graders solve 10 different problems that include various types of fractional exponents within them. First, they evaluate each given expression. Then, students determine whether their...
Curated OER
Rational Exponents
In this rational exponents worksheet, 9th graders solve 10 different problems that include fractional exponents in each. First, they determine the simplest numerical answer possible for each expression. Then, students apply the rules of...
Curated OER
Distributive Property
In this distributive property worksheet, students solve and complete 10 different problems that include applying the distributive property to solve each one. First, they follow the order of operations and calculate what is in the...
Curated OER
Planets in Proportion
Students apply estimation strategies and proportional reasoning to determine a scale comparing the planetary bodies to Earth. They convert measurements of time and distance using scientific notation. Both the metric and customary units...
Curated OER
Area, Perimeter and Rations Using Pentominoes
Learners of all ages investigate area and perimeter through pentominoes. In this geometry lesson, students calculate the are and perimeter of different geometric shapes and describe the properties of similar and congruent shapes. This...
Alabama Learning Exchange
Triangle Area: No Height? Use the Sine
No height? No problem! Learners use their knowledge and a little help from GeoGebra to develop the Law of Sines formula. The Law of Sines helps to determine the height of triangles to calculate the area.
Indian Institute of Technology
Could King Kong Exist?
The title says it all: Could King Kong exist? Investigate how increasing the dimensions of an object affects its surface area and volume to mathematically conclude whether a creature with the weight and height of King Kong could actually...
Curated OER
Exploring Transformations
Students explore what happens when geometric figures are transformed on the coordinate plane. They work in pairs, moving geometric shapes in the plane, and formalize their rules as functions.
Kenan Fellows
Introduction to a Flight Computer
Keep your hands on the wheel—at all times! Scholars learn why pilots use a flight computer through a high-flying demonstration. Making calculations for speed, distance, or time is automatic if you know how to use a flight computer.
Explore Learning
Quadratics: Polynomial Form
Throught this subscription-based sight, learners explore different aspects of the parabola by changing equations from standard to vertex form. Next, find the general form of the vextex based on the values of a, b, and c, and investigate...
Curated OER
Narrow Corridor
Buying a new sofa? Learn how to use the Pythagorean Theorem, as well as algebra and graphing techniques, to determine whether the sofa will fit around a corner (which I'm sure you'll agree is a very important consideration!).
Curated OER
Water Down the Drain
Did you know that leaky faucets waste $10 million worth of water? Conservationists perform an experiment and draw best-fit lines to explore how the US Geological Society determined this value.
Alabama Learning Exchange
Binomial Expansion—Shortcut Please
There has got to be a better way; you just have to find it! Given a general binomial to expand with increasing powers, pupils realize that there must be a better way than multiple multiplications. Classmates look for patterns and use...
PBS
The History and Use of Sampling Methods
Young mathematicians define population, draw convenience sample from the population, draw quota sample from the population, and draw random probability sample from the population. They explain why a random probability sample usually...