Curated OER
Computers Can Only Add
Students explore using mathematics to solve problems in base two. After a teacher demonstration of using base two to write numbers. students model similar problems to explore the concept of number systems in different bases. To increase...
Curated OER
Chapter 10: Chemical Calculations and Chemical Equations
In this chemical equations activity, students write and balance chemical reactions. They complete 98 short answer and problem solving questions on molarity and chemical equations.
National Sailing Hall of Fame
Sailboat Design Requirements
Sailboat design requires more than a half-circle and triangle sketch. After viewing a slideshow presentation that outlines the requirements for sailboat design, learners draw a design, perform the needed calculations, and write a paper...
EngageNY
Changing the Base
I can't calculate a base-2 logarithm since my calculator doesn't have a base-2 log key. Young mathematicians use the change of base formula to extend the properties of logarithms to all bases. Among these bases is the natural log base,...
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...
Virginia Department of Education
Organizing Topic: Data Analysis
Learners engage in six activities to lead them through the process of conducting a thorough analysis of data. Pupils work with calculating standard deviations and z-scores, finding the area under a normal curve, and sampling techniques....
NASA
It All Comes Full Circle
How long does it take spacecraft go around the earth? Using the circular orbits of the space shuttle and the International Space Station, groups determine the distance traveled in one revolution, then calculate the distance traveled...
Shodor Education Foundation
Stem and Leaf Plotter
The key is in the leaves. Pupils enter data to create a stem-and-leaf plot. The resource then displays the plot and calculates the mean, median, and mode of the data. Using the plot and the calculated measures of spread, learners analyze...
Teach Engineering
Swinging Pendulum
Get into the swing of things. Pupils use a pendulum to demonstrate the conversion of potential energy to kinetic energy and back. After measuring the speed of a pendulum and compare it to the calculated theoretical speed, they determine...
Noyce Foundation
Which is Bigger?
To take the longest path, go around—or was that go over? Class members measure scale drawings of a cylindrical vase to find the height and diameter. They calculate the actual height and circumference and determine which is larger.
EngageNY
Sampling Variability
Work it out — find the average time clients spend at a gym. Pupils use a table of random digits to collect a sample of times fitness buffs are working out. The scholars use their random sample to calculate an estimate of the mean of the...
Shodor Education Foundation
Graphit
No graphing calculator? No worries, there's an app for that! Young mathematicians use an app to graph functions. In addition, they can also plot data points.
West Contra Costa Unified School District
Correlation and Line of Best Fit
Computers are useful for more than just surfing the Internet. Pupils first investigate scatter plots and estimate correlation coefficients. Next, they use Microsoft Excel to create scatter plots and determine correlation coefficients and...
Beauty and Joy of Computing
Building Grids for Games
You can't play Tic Tac Toe without grids. In the fourth lab of a five-part unit, scholars learn how to build grids for games such as Tic Tac Toe. Along the way, they also learn about reporter blocks that perform calculations.
National Woman's History Museum
The Women of NASA
Human computers? Although it may sound like science fiction, the term was used to describe the women who made the NASA calculations before the advent of electronic computers. A 21-slide presentation introduces viewers to the women who...
Shodor Education Foundation
Sequencer
Take the first step into graphing sequences. Learners set the starting number, multiplier, add-on, and the number of steps for a sequence. Using the inputs, the interactive calculates and plots the sequence on the coordinate plane. Users...
EngageNY
Polynomial, Rational, and Radical Relationships
This assessment pair goes way beyond simple graphing, factoring and solving polynomial equations, really forcing learners to investigate the math ideas behind the calculations. Short and to-the-point questions build on one another,...
National Research Center for Career and Technical Education
Photoshop Scale
Say cheese! Can your class take a great photo and size it to fit any need? A career and technology-centered lesson plan demonstrates the correct way to resize images in Adobe Photoshop. Scholars view a presentation and work individually...
Curated OER
Computer Skills
Students research computer information and use it to find the mean of things. In this computer skills instructional activity students are given activities in which they calculate and use a spreadsheet to enter data on the mean of their...
Curated OER
Cryptography on the TI-83 Graphing Calculator
Students explore the history of cryptography. They assess function notation and transformation, matrix operations, and the fundamentals of modular arithmetic. Using graphing calculators, students develop their own encryption schemes.
Chicago Botanic Garden
Calculating Your Carbon Footprint
Unplugging from technology for one day per week will decrease your carbon footprint—are you up to the challenge? Part two in a series of three allows individuals to explore their personal carbon footprints. By first taking a quiz at home...
Beyond Benign
Drafting Bubbles
Let's start designing a house. Future architects create floor plans for a house given certain constraints. They calculate the area of each room in the house. This is the 11th lesson in a 15-part unit.
Magic of Physics
Unit Converter I
Talk about a cool tool! Convert between units with the click of a mouse using a handy online resource. Enter the starting measurement and units for quantities such as torque, speed, and inertia, then sit back and relax while the computer...
Nemours KidsHealth
Smoking: Grades 6-8
Light up middle schoolers' understanding of the monetary and health costs of smoking with two activities. First, class members calculate how much a smoker would spend in a year if they smoke a pack a week or a day. They then explore...