Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Deep Sea Duel

For Students 3rd - 8th
This strategy game requires you to select cards with a specified sum before your opponent.
Activity
National Council of Teachers of Mathematics

Nctm: Illuminations: Advanced Data Grapher

For Students 9th - 10th Standards
The Advanced Data Grapher can be used to analyze data with box plots, bubble graphs, scatterplots, histograms, and stem-and-leaf plots.
Activity
National Council of Teachers of Mathematics

Nctm: Illuminations: Canada Data Map

For Students 9th - 10th
Information can be represented in many ways, and this application allows the user to represent data about the provinces and territories using colors.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Graph Creator

For Students 3rd - 8th
Use this vertex-edge tool to create graphs and explore them. Investigate ideas such as planar graphs, complete graphs, minimum-cost spanning trees, and Euler and Hamiltonian paths.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Chairs

For Students 3rd - 8th
This application is used to explore the number of chairs needed when tables are rearranged in a restaurant.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Triangle Inequality

For Students 9th - 10th
This activity illustrates the Triangle Inequality and the conditions necessary for a triangle to be formed from three straight lines.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Histogram Tool

For Students 9th - 10th Standards
This tool can be used to create a histogram for analyzing the distribution of a data set using data that you enter or using pre-loaded data that you select.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Fraction and Percent Tool

For Students 9th - 10th Standards
This tool allows you to explore fractions, decimals and percents by creating fractions with denominators up to 100.
Activity
National Council of Teachers of Mathematics

Nctm: Illuminations: Name Letters

For Students 9th - 10th
Crack the code and can determine the cost of your name. Use this activity to practice solving systems of equations.
Activity
National Council of Teachers of Mathematics

Nctm: Illuminations: Pythagorean Review

For Students 6th - 8th Standards
Review and explore the Pythagorean Theorem.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Geogebra: Dynagraphs

For Students 9th - 10th Standards
Explore relationships between inputs and outputs by manipulating interactive double number lines.
Activity
National Council of Teachers of Mathematics

Nctm: Illuminations: Composing Transformations

For Students 6th - 8th Standards
Compose equivalent transformations in two different ways.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Pi Fight

For Students 9th - 10th Standards
Become comfortable with using both radians and degrees.
Activity
National Council of Teachers of Mathematics

Nctm: Illuminations: Handshakes

For Students 3rd - 8th
When the nine justices of the Supreme Court meet, they greet one another with a handshake to show harmony of purpose, even though their views may differ. How many handshakes occur? In general, how many handshakes occur when there are n...
Activity
National Council of Teachers of Mathematics

Nctm: Illuminations: Visualizing Transformations

For Students 6th - 8th Standards
Choose a transformation and apply it to a shape to observe the resulting image.
Activity
National Council of Teachers of Mathematics

Nctm: Illuminations: Composing Reflections

For Students 6th - 8th Standards
Examine the result of reflecting a shape successively through two different lines.
Activity
National Council of Teachers of Mathematics

Nctm: Illuminations: Proof Without Words: Pythagorean Theorem

For Students 9th - 10th Standards
This applet proves the Pythagorean Theorem "without words" using geometry.
Activity
National Council of Teachers of Mathematics

Nctm: Illuminations: Scale Factor

For Students 9th - 10th Standards
Use this applet to investigate how changes in the scale factor influence the ratio of perimeters and the ratio of areas between two figures.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Line of Best Fit

For Students 9th - 10th Standards
Use this activity to practice how to enter a set of data, plot the data on a coordinate grid, and determine the equation for a line of best fit.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Shape Sorter

For Students 6th - 8th
Use this applet to sort shapes according to their properties using Venn diagrams.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Simson Line

For Students 9th - 10th Standards
This applet allows for the construction and exploration of the Simson Line.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Interactive Calculus Tool

For Students 9th - 10th
Investigate graphs of polynomial functions, tangent lines, derivatives, and area under a curve with this interactive applet.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Circumcircle

For Students 9th - 10th
This applet allows for the construction and exploration of a circumcircle.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Limits

For Students 9th - 10th Standards
In this activity, you can see a representation of several geometric series and their limits.