Curated OER
Fractions
Fourth graders explore the meaning of equivalent fractions, find equivalent fractions, and explain why the fractions are equal. They share their ideas about equivalent fractions. Students answer the question: "What makes equivalent...
Curated OER
Sea Ice: Unscrambling the Egg Code
Students determine sea ice thickness, concentration, and floe size by reading egg codes. In this sea ice conditions lesson, students color code a map based on prescribed criteria and use the maps to identify changes in sea ice...
Curated OER
The Math of Renewable Energy
Middle schoolers research additional information about questions on their worksheet. For this energy activity, students develop visual aids of their proposed solution to the problem. They present their work in class.