Khan Academy
Challenge: Calculator
Calculators aren't all that useful if they don't return the correct results. In this JavaScript programming exercise, beginning JavaScript coders are guided to fix the results returned by the functions so they return correct values....
National Council of Teachers of Mathematics
Scale Factor
Does doubling mean everything doubles? Learners adjust the scale factor between two rectangles. Using the calculated measurements, pupils investigate the ratios between the lengths, perimeters, and areas of the rectangles.
Curated OER
BMI For Kids - Body Mass Index
Promote healthy lifestyles with an interactive that provides young learners with healthy nutrition and exercise messages. Class members plug their height and weight information into an online body mass index calculator, and hear positive...
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...
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.
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...
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...
Curated OER
My Test Book: Calculating Percents
In this online interactive math skills worksheet, students solve 10 multiple choice math problems that require them to calculate percents. Students may view the correct answers.
Curated OER
The Minimum Number of Guesses Necessary
In this guessing games worksheet, students calculate the minimum number of yes and no questions necessary to determine a secret number.
Shodor Education Foundation
Box Plot
What information can come from a box? Learners choose a data set to display as a box plot and decide whether to include the median in the calculation of the quartiles, show the outliers, and change the scale. To finish the lesson,...
Shodor Education Foundation
Pythagorean Explorer
Make sure the measurement is right. The interactive provides right triangles with a missing side measurement. Pupils use the given sides and the Pythagorean Theorem to calculate the length of the missing side. After entering the length,...
Shodor Education Foundation
Measures
Take a look at data from a statistical lens. An interactive allows pupils to enter data set, labeling the data including the units used. Manipulating the applet, learners select the statistics to calculate that include total, mean,...
Shodor Education Foundation
Overlapping Gaussians
Adjust the overlap to compare probabilities. Using sliders, learners adjust the shape of two Gaussian curves. The interactive calculates the area of the left tail for one curve and the right tail for the other. Pupils set the interactive...
Me and My Shadow
Trace My Shadow
Which creates more digital traces: surfing the Internet in a coffee shop, or using an iPhone to send a text message? The answer may surprise you! An interactive resource prompts users to choose which devices, operating systems, and...
Shodor Education Foundation
Function Flyer
Fly through graphing functions with the Function Flyer. Young mathematicians use an interactive to graph different types of functions. A set of exploration questions has users investigate patterns in functions.
Shodor Education Foundation
InteGreat!
Take a great look at integration! Young scholars use an interactive to learn how to integrate a function. Learners input a function and view the integral as well as see a graphical representation.
Shodor Education Foundation
Conic Flyer
Graphing conics made easy. Individuals use an interactive to graph conic sections. The app can handle circles, vertical and horizontal parabolas, ellipses, and vertical and horizontal hyperbolas.
Shodor Education Foundation
Two Colors Applet
Find the box with two green balls. The applet uses six balls, three green and three red, and hides them in three boxes. Pupils choose a box and click on it to reveal the color of balls inside. Using the chosen box, the simulation keeps...
Curated OER
Links to algorithms for computing the date on which Easter falls
In this algorithms worksheet, students are provided with links to three different algorithms used to compute the date on which Easter falls for a particular year. One link requires the students to do the computations, while the other...
Curated OER
Is It? At School
In this naming items at school online worksheet, students look at clip art pictures of items such as rulers, computers, a globe, and a desk. They answer yes or no when asked, "Is it a ...?" They answer by ticking each box in 7 questions.
Online Math Learning
Multiplying Fractions and Whole Numbers
Though the problems are the same, it's always a little more fun to do them on the computer. Here, mathematicians solve 10 problems by multiplying fractions with whole numbers. After clicking on an embedded link to read the lesson, they...
Curated OER
Working with Frequency Tables
For this Working with Frequency Tables worksheet, students analyze data that is organized in simple frequency charts. They calculate average from data presented in a frequency table, calculate a cumulative score, and identify data that...
Shodor Education Foundation
Graph Sketcher
Sketch graphs with the Graph Sketcher. Scholars graph functions on a coordinate plane. An interactive makes it as easy as inputting the function and clicking a button.
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.