Illustrative Mathematics
Overlapping Rectangle
Challenge young mathematicians' ability to compose and decompose shapes with this fun geometry puzzle. The goal is simple, locate all of the rectangles shown in a picture of three overlapping rectangles. Perform this activity as a whole...
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...
Center Science Education
Paleoclimates and Pollen
Demonstrate for your earth scientists how plant pollen of the past has become part of sedimentary deposits, providing clues about ancient climates. Then give them simulated sediment layer samples to analyze for different types of paper...
Illustrative Mathematics
Counting Squares
Challenge young mathematicians' understanding of squares with this geometry puzzle. The task is simple, identify as many squares as possible in a 3x3 array. Allow learners to work independently or in pairs as they search for squares,...
EngageNY
Properties of Area
What properties does area possess? Solidify the area properties that pupils learned in previous years. Groups investigate the five properties using four problems, which then provide the basis for a class discussion.
NOAA
Satellite Communications
How do satellites communicate? What types of satellites orbit Earth? Discover and mimic the way satellites communicate between two points in a hands-on activity that has pupils using mirrors, flashlights, and marbles.
Curated OER
Classifying Rocks
A well-designed lesson plan on rock classification awaits you. In it, fifth graders are divided into groups. Each group is given a box of rocks which they must sort into two categories. They use the "Rock 'n Roll Rule," in making their...