Curated OER
Tree Leaves: Determining the Characteristics They Share in Common
High schoolers use their basic knowledge of dendrology concepts and terms. In this tree leaf instructional activity students divide into groups and determine which characteristics go with what plant.
Curated OER
Dendrology Scavenger Hunt
Students examine leaves that are assigned to them. In this earth science lesson students work in groups and find examples of leaves that the instructor asks for.
Curated OER
Geometry Worksheet: Angle (2)
In this geometry worksheet, students find the measure of missing angles. They identify alternate angles. This one-page worksheet contains two problems.
Curated OER
Proving Lines Parallel
In this proving lines parallel worksheet, 10th graders solve 10 different types of problems that prove that various lines are parallel to each other. First, they find the value of x so that line a is parallel to line b. Then, students...
Curated OER
Angles and Parallel Lines
In this angles and parallel lines worksheet, 10th graders solve 12 different types of problems that include measuring various angles and parallel lines in given figures. First, they find the measure of each angle using the figure shown....
ClassFlow
Class Flow: Angles in Geometry
[Free Registration/Login Required] This flipchart is a look at angles in geometry. Drawing, labeling, measuring, special angles: (right, straight, acute, obtuse) and congruence.