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Illustrative Mathematics
Pennies to Heaven
Even though pennies seem to be relatively thin, stack enough of them into a single stack, and you could have quite a high stack. Enough so, that the final result can be a surprise to you as well as your class. This activity centers...
Curated OER
Fun Through Fitness Day
Make fitness fun at your school! A list of outdoor activities for a "Fun Through Fitness Day" could be helpful in planning your own version of this activity. The resource describes what one school district has done in general, but does...
Core Knowledge Foundation
A Time for All Seasons - Winter
As the days get shorter and a chill enters the air, it's time to start teaching your little ones about the wondrous winter season. Through a series of teacher demonstrations, whole-class read alouds and discussions, and hands-on...
Yummy Math
Happy 14th B’ak’tun, the start of the next Great Mayan cycle
The ancient Mayans had a complex calendar and number system with a rich history. In fact, the date 12/21/2012 was the center of much controversy as to whether or not it was the end of time. It wasn't the end of time, but...
Statistics Education Web
It Creeps. It Crawls. Watch Out For The Blob!
How do you find the area of an irregular shape? Class members calculate the area of an irregular shape by finding the area of a random sampling of the shape. Individuals then utilize a confidence interval to improve accuracy and use a...
Curated OER
Finding Your Spot in the World
Students investigate a world map, a United States map, a state map, a county map and a city map. They locate each student's house on the city map and put a length of yarn from their house to a country of one of their ancestors.
Curated OER
Introduction to Measurement
Student observes and measures the variability in the length of the forearm and the length of the foot and to test a common belief that the length of the foot is equal to the length of the forearm.
Curated OER
The 3R's: Rights, Rules, and Responsibilities
Eighth graders complete seven work stations that highlight math activities while they focus on the rules for Internet use and classroom rules for working in cooperative groups. After completing the activities, they complete a self-...
Curated OER
The Milky Way and Beyond
Students consider the scale of the Milky Way Galaxy. In this Milky Way lesson, students hypothesize the length of time necessary to cross the Milky Way.
Mathematics Vision Project
Module 6: Trigonometric Functions
Create trigonometric functions from circles. The first lesson of the module begins by finding coordinates along a circular path created by a Ferris Wheel. As the lessons progress, pupils graph trigonometric functions and relate them to...
Curated OER
How Old Is Mike?
Students examine the absolute dating of fossils, they use a list of names and ages to determine the difference between relative age and absolute age. They explore the relative age and absolute age of people and of fossils.
Curated OER
Tell Time With Your Feet
Students discover what the latitude and longitude of their location is. They start walking and measure their shadow. They fill in a chart to discover the approximate time.
Curated OER
Unit Perimeters and Areas
Young scholars use Geometers SketchPad to find the area and perimeter of several shapes. In this geometry lesson, students determine area of rectangles and progress through irregular polygons. None of the referenced worksheets are...
Curated OER
Pythagorean Theorem
Students solve problems using the Pythagorean Theorem. In this geometry lesson, students identify the sides and angles of a right triangle. They find the different trigonometric ratios and solve using sine, cosine and tangent.