Curated OER
Angles
Fourth and fifth graders investigate angles and name them according to the criteria for obtuse, acute, and right angles. They examine a human-made yarn pattern on the floor of their classroom and identify angles, vertices, and types of...
Curated OER
Angles, Triangles, Quadrilaterals, Circles and Related
Students classify angles. For this angles lesson, students explore the characteristics of angles, triangles, quadrilaterals and circles. They identify polygons and sing a classifying angles song. Students participate in a manipulative...
Curated OER
More Bait for Your Buck!
Students determine where to buy the heaviest earthworms as they study invertebrates. They create a double bar graph of the results of the weight data.