Events

ABCya! Equal Proportions Dirt Bike
ABCya!

Dirt Bike Proportions is a multi-player kids educational racing game for finding equal proportions.

ABCya! Equal Ratio Asteroids
ABCya!

Equal Ratio Asteroids is an educational game for kids that provides practice in finding equal ratios.

Illuminations: Blue Squares and Beyond
Illuminations (National Council of Teachers of Mathematics)

This lesson invites students to manipulate two rectangles to create examples of similarity and to study the effects on area ratios.

Illuminations: Go With Green Rectangles
Illuminations (National Council of Teachers of Mathematics)

Students manipulate 2-dimensional rectangles to focus on the relationship between the scale factor and ratio of perimeters of similar rectangles, and the relationship between scale factor and ratio of areas of similar rectangles.

Illuminations: Explorations with Chance
Illuminations (National Council of Teachers of Mathematics)

In this lesson, students analyze the fairness of certain games by examining the probabilities of the outcomes.

Illuminations: Going the Distance
Illuminations (National Council of Teachers of Mathematics)

The interactive paper pool game in this i-Math investigation provides an opportunity for students to further develop their understanding of ratio, proportion, and least common multiple.

Illuminations: Look for Patterns
Illuminations (National Council of Teachers of Mathematics)

The interactive paper pool game in this i-Math investigation provides an opportunity for students to further develop their understanding of ratio, proportion, and least common multiple.

Illuminations: Paper Pool Game
Illuminations (National Council of Teachers of Mathematics)

The paper pool game provides an opportunity for students to develop their understanding of ratio, proportion, greatest common divisor, and least common multiple.

Illuminations: Constant Dimensions
Illuminations (National Council of Teachers of Mathematics)

Students will measure the length and width of a rectangle using both standard and non-standard units of measure.

Illuminations: Mix It Up
Illuminations (National Council of Teachers of Mathematics)

In this lesson, students will use two colors of beads to form two different percent mixes, and then form a final mix using scoops from the two mixes.

NRICH: Mixing Lemonade
NRICH (University of Cambridge)

Use the interactivity below to compare different mixtures of lemonade and develop a strategy for deciding which is stronger each time.