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 Rare Earth - How Rare Is Earth-Like Life?
Students systematically investigate the time frame for complex life to develop on Earth. They approximate how many other planets there may be harboring Earth-like complex life in our galaxy.
Illustrative Mathematics
Solar Eclipse
Learners take on the role of astronomers, calculating conditions necessary for a total solar eclipse. Concepts of similar triangles and properties of circles come together as pupils create ratios and use real measurements in determining...
Curated OER
The Transit of Mercury
In this transit of Mercury worksheet, learners read about Earth and Mercury lining up so that Mercury passes across the disk of the sun from the Earth's view. Students solve 3 problems and they determine the diameter of the solar disk...
Curated OER
Lee & Low Books: Giving Thanks Teacher's Guide
Fourth graders participate in reading comprehension activities associated from a teacher's guide. In this reading comprehension lesson, 4th graders read Giving Thanks: A Native American Good Morning Message by Chief Jake Swamp and...
101 Questions
Falling Glowsticks
How can you determine the height of a drop off a cliff if you have nothing to measure it with? A movie clip sets up a sky-high challenge and solves it with a falling glow stick. Scholars must take the given information and decide how...
Curated OER
Inuit Sled Dogs
This is a terrific resource! Have your class learn about Inuit sled dogs using this lesson. They discuss how the Inuit travel and the needs of their sled dogs. This lesson includes a math activity, discussion questions and a cooperative...
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
Ancient American Art and Geometry
Students explore the relationship between geometry and ancient American art. They see how to recognize geometric properties in specific works and explain how these properties contribute to their meaning and artistic merit.
Curated OER
A Trillion Here...A Trillion There
For this working with large numbers worksheet, students are given the finance statistics for the US and the world for the 2006-2007 year. Students solve 11 problems including finding averages and percentages for the given statistics and...
Curated OER
Show Me the Way To Go Home
Students place a pencil perpendicular to the ground and trace its shadow between 11:30 AM and 12:30 PM. They measure the length of the shadow, periodically over several hours, in either English or Metric units. Using the data, they find...
Curated OER
Does Weight Affect Drag?
Middle schoolers investigate how weight affects a parachute's rate of fall. In this investigative lesson students test parachutes, average results and conclude what makes a faster descent.