Curated OER
Surface Area
Sixth graders compute the surface area. In this surface area lesson students are given a set of problems to calculate. They compute the surface area of cubes and rectangular boxes.
Curated OER
How Fast Is Your Car?
Eighth graders discover the relationship between speed, distance, and time. They calculate speed and represent their data graphically. They, in groups, design a ramp for their matchbox car. The goal is to see who's ramp produces the...
Math eBook
Circumference of a Circle
Save trees and practice calculating the circumference of circles with this online interactive task! Of course, if you want individuals to turn it in, you will still need to print copies. There are 20 problems to solve, all of which...
Center for Innovation in Mathematics Teaching
Trigonometry
This unit covers the basic trigonometry including understanding radians, how to convert between radians and degrees, the area of a circle subtended by an angle, basic properties and graphs of sine, cosine, tangent, and solving...
Curated OER
The Secret of the Crystal Ball
Eighth graders use mathematical expressions to solve problems. In this basic properties of operations, 8th graders use prior knowledge and logical reasoning to solve equations. Students analyze an equation by solving a...
Curated OER
An Exploration of the Slope of a Line
Students define the slope of a line. In this algebra lesson, students differentiate between parallel and perpendicular lines using their slopes. They rewrite equations in slope intercept form and explain the meaning of the slope.
Curated OER
Trigonometric Identities
Students calculate the six trigonometric identities. In this algebra instructional activity, students verify other identities using the basic trigonometric identities of sine, cosine and tangent. They complete a worksheet with hints and...
Curated OER
Oscillator Circuits
In this oscillator circuits worksheet, students answer 49 questions about different types of oscillator circuits. They find the operating frequency of circuits, they identify the functions of specific sections of circuits and they write...
Texas Instruments
Area of Circles
High schoolers explore circles. In this algebra/geometry lesson plan, students discover the formula for the area of a circle, as they investigate the ratio of the area of a circle to the radius^2.
Curated OER
To Float or Not to Float - A Lesson on Density
Students define density in their own words. In this physics instructional activity, students calculate density using mass and volume. They explain why some objects sink and some float.
Curated OER
Quadratic Equations
Tenth graders review algebraic methods of solving quadratic equations. Students discuss several methods of solving quadratic equations. They practice factoring and finding the roots of an equation for solving. A calculator is used to...
Curated OER
Choices
This unit is about making calculations in the real life situations of taxis, hire cars, and cell phones. They find and justify a word formula which represents a given practical situation. Solve simple linear equations such as 2? + 4 = 16.
Curated OER
Estimating the Live Mass of Dinosaurs
High schoolers calculate the volume of scale model dinosaurs using a water displacement method. They use formulas to calculate the live mass each of the species of dinosaur. Then they complete and discuss a series of questions.
Curated OER
Measuring the Diameter of the Sun
Learners calculate and measure the diameter of the sun. They construct a meter stick instrument, calculate the diameter using a formula, and compare the measurement with the accepted scientific measurement.
Curated OER
"it's All in the Cellar"
Seventh graders examine the process of constructing a site plan map at archaeological sites. They discuss the process of mapping techniques and calculation of percentages, create a plan site map of a cellar at Jamestown, and calculate...
Curated OER
Big Apple, Here We Come
Students role play the role of immigrants coming to America for the first time. They complete an imaginary trip with their family and must rent a car and make seven stops along the way. They calculate distances and use maps to...