Illustrative Mathematics
Tilt of Earth's Axis and the Four Seasons
Geometry meets earth science as high schoolers investigate the cause and features of the four seasons. The effects of Earth's axis tilt features prominently, along with both the rotation of the earth about the axis and its orbit...
Curated OER
The Design Revolution: Get the Word Out
Students research the "Design for the Other 90%" exhibition and create a presentation about the low cost designs. In this design lesson, students read and watch a video about the project. Students survey people about publicizing events....
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...
Concord Consortium
Leap Years and Calendars
How many birthdays do leap year babies have in a lifetime? Learners explore the question among others in a lesson focused on different calendar systems. Given explanations of the Julian, Gregorian, and Martian calendars, individuals use...
Curated OER
'Tis a Long, Long Way to Tipperary!
Young scholars practice finding the location of cities across the world by using an interactive Web site, and figure out the world's time and the value of time zones the world over.
Curated OER
Slit the Width
Students calculate the circumference and diameter of a circle. In this geometry lesson, students construct a circle and calculate the distance of different sizes of circles. They define the relationship between the diameter and the...
Curated OER
Building a Scale Model
Third graders create a model of the solar system. In this solar system lesson, 3rd graders create a scale model of the solar system. Working in pairs students solve mathematical problems to correctly measure the distance each planet is...
Curated OER
Space Age Technology Comes to Earth
Students explore jobs related to agriculture. In this technology/agriculture lesson, students recognize the importance of natural resources and agriculture on the use of Range Rambler software. Students complete an experiment and a...