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
Exploring Geometric Figures
Tenth graders explore mathematics by participating in hands-on daily activities. Learners identify a list of different shapes and classify them by shape, size, sides and vertices. They utilize tangrams and geometric pieces to gain...
Curated OER
There's Gotta Be An Angle
Learners examine the external variables that affect a downhill skier in the quest for speed. They access websites imbedded in this plan to become ski teams competing against one another. Each team presents results of all experiments.
Curated OER
Congruent Triangles Postulates
Students discover three lettered postulates that prove triangles congruent.