Curated OER
Pi Day: The Other Math Holiday!
Happy Pi Day! This collection of games, experiments, and activities leads participants through an exploration of the many aspects and attributes of that mysterious quantity, pi. Activities range from using statistical...
Flipped Math
Circles and Arc Lengths
Discuss all things round and round. Pupils review finding area and the circumference of circles and use them to solve problems. Next, they learn about central angles and their relationships to measures of arcs. Learners then find out how...
Curated OER
Regular and Irregular Verbs in German
Learners review formation of present tense of regular verbs learned in German 1. Students complete a worksheet after viewing a PowerPoint show. They watch a second portion of the PowerPoint show about the peculiarities of irregular verbs.
Curated OER
Around and Across
Tenth graders investigate the circumference and diameter of a circle. In this geometry lesson, 10th graders relate circumference to diameter. They create a scatter plot to estimate the value of pi.
Curated OER
Circles - Word Problems
In this geometry problem solving worksheet, students answer 8 words problems based on their knowledge of circles, circumference, radius, diameter, and perimeters. They show their work on the sheet between problems.
Curated OER
Math Practice: Circles
For this circle worksheet, students solve 8 problems: finding percentage increase, finding differences in area and perimeter, finding circumference and area.
Clackamas Community College
Clackamas Community College: Alkenes
Clackamas Community College provides a great resource on alkenes. This site teaches you about the nomenclature and structure of alkenes. It also discusses the two types of isomers alkenes can form and addition reactions.