Shodor Education Foundation
Caesar Cipher
Caesar ciphers hide secret missives. A simple interactive lets users encode and decode hidden messages. The cipher method here is the Caesar shift.
Shodor Education Foundation
Transmographer
Introducing ... the Transmographer. Young mathematicians investigate translations, reflections, and rotations. The applet lets users perform transformations on triangles, squares, and parallelograms.
Alabama Learning Exchange
Imaginary Numbers? What Do You Mean Imaginary?
Don't worry, this resource actually exists. Scholars learn about imaginary numbers and work on problems simplifying square roots of negative numbers. As an extension, they research the history of imaginary numbers.
Alabama Learning Exchange
Exponents and Division
Create a human fraction to learn about division of exponents. Scholars develop the rule for division of exponents by being part of a human fraction to explore and justify the rule. They also consider zero exponents and negative exponents.
Shodor Education Foundation
Ordered Simple Plot
Open your imagination to make algebra-inspired creations. An interactive lesson has scholars graph images from a set of parameters. Users can practice minimum values, maximum values, and scale as well as key features.
Shodor Education Foundation
Whole Number Cruncher
Time to crunch the numbers! Young scholars use an interactive number cruncher to practice operations with whole numbers. They input a number and watch as the number cruncher produces the output and then use the data pairs to determine a...
Shodor Education Foundation
Multiple Linear Regression
You'll have no regrets when you use the perfect lesson to teach regression! An interactive resource has individuals manipulate the slope and y-intercept of a line to match a set of data. Learners practice data sets with both positive and...
Shodor Education Foundation
Multi-Function Data Flyer
Explore different types of functions using an interactive lesson. Learners enter functions and view the accompanying graphs. They can choose to show key features or adjust the scale of the graph.
Shodor Education Foundation
Linear Inequalities
An interactive lesson helps individuals learn to graph inequalities in two variables. Scholars can adjust the interactive to present the inequalities in standard or slope-intercept form.
Shodor Education Foundation
Linear Function Machine
What goes in must come out! Learners play with a function machine to determine the correct function. They enter input values and watch as the machine produces the output.
Cornell University
The Galvanic Cell Game
Play a little game with your classes! Young scholars expand on their understanding of oxidation/reduction reactions in a game-based activity. They build a Galvanic cell with game pieces while learning about each component and their...
ReadWriteThink
Analyzing Famous Speeches as Arguments
A speaker, a message, an audience. After analyzing these elements in Queen Elizabeth's speech to the troops at Tilbury, groups analyze how other speakers use an awareness of events, and their audience to craft their arguments....
Nosapo
Getting to Know Each Other
How do you do? Guide learners through the basics of conversational English with an extensive set of discussion questions. Class members ask partners more about themselves, including their favorite hobbies, music, and time of day, as well...
National Humanities Center
Teaching Emily Dickinson: A Common Core Close Reading Seminar
Three of Emily Dickinson's poems, "I like to see it," "Because I could not stop for Death," and "We grow accustomed to the Dark," provide instructors with an opportunity to model for class members how to use close reading strategies to...
Mathematics Assessment Project
Representing Quadratic Functions Graphically
Sometimes being different is an advantage. An engaging activity has scholars match cards with quadratic functions in various forms. Along the way, they learn about how each form highlights key features of quadratic functions.
West Contra Costa Unified School District
Average Rate of Change
The concept of slope gets an approachable, yet theoretical, treatment in a comprehensive algebra lesson. The use of functional notation and problem-solving techniques keep the material rigorous, but detailed teaching notes and lots of...
Penguin Books
A Teacher's Guide to Sue Monk Kidd's: The Secret Life of Bees
A 12-page teacher's guide to Sue Monk Kidd's The Secret Life of Bees provides the discussion questions and activities that lead readers to understand not only Lily's fears, but her reasons behind them.
Emergency & Community Health Outreach
Breast Cancer: Prevent, Detect, Treat
Odds are, most of the members of your class know someone who has been affected by breast cancer. Teach them more about prevention through healthy lifestyles, detection with self-testing and mammograms, and the most effective treatments...
Nosapo
Verbs: Regular, Irregular, Simple Past Tense
Adding -ed to the ends of most verbs can change a sentence to the past tense—but what about verbs like think or draw? Provide class members with practice activities that focus on both regular and irregular verbs in the simple past tense.
CK-12 Foundation
Mean: Arithmetic Mean
How is a mean affected by changes in data? A well-designed animation allows individuals to manipulate data and watch the effect on the mean. Challenge questions help guide users to conclusions about outliers and skew within data.
CK-12 Foundation
Introduction to Mean, Median, and Mode: The Tree Conundrum
How many trees should we plant? Using an interactive as a manipulative, individuals find the mean, median, and mode for sets of data. They determine the number of trees to plant in each plot of land to reach a statistical goal.
CK-12 Foundation
Stratified Random Sampling: An Extracurricular Study
Learning isn't a random process. A well-designed interactive lesson helps classes make key conclusions about stratified random sampling. They calculate group percentages and use those percentages to decide on sampling totals.
CK-12 Foundation
Understand and Create Stem-and-Leaf Plots: Stem-and-Leaf Plots
Explore the advantages to using a stem-and-leaf plot using an online lesson. Learners manipulate an animation to create a stem-and-leaf plot. They then calculate statistics for the data using their display. Guiding questions help them...
CK-12 Foundation
Understand and Create Stem-and-Leaf Plots: Event Survey
A good lesson doesn't just grow on trees! Help your classes understand the concept of a stem-and-leaf plot using an interactive lesson. Learners first create a stem-and-leaf plot from a set of data by dragging the values to the plot....