Curated OER
Basic Geometry Ideas and Angle Measurement
Seventh graders explore the concept of basic geometry. In this basic geometry instructional activity, 7th graders identify the correct picture for a given vocabulary word such as midpoint, line, ray, or parallel lines. Students discuss...
Pennsylvania Department of Education
Introducing the Coordinate Plane
Fifth graders practice using estimation. In this estimation instructional activity, 5th graders add, subtract, multiple, and divide using whole numbers, fractions, and decimals. Students decide upon instances when estimation is more...
Curated OER
Exploring the History of Canyon de Chelly: Pottery
Pupils study the tradional Native American methods of making pottery. They examine the patterns used and design their own pattern that they will use as they make their own pottery utilizing the clay from the surrounding environment.
Curated OER
Congruency Basics
Fourth graders investigate congruent shapes. In this congruency instructional activity, 4th graders explore examples of congruent shapes. Students determine how to check for congruency by sliding or flipping the shape.
Curated OER
Felt Fraction Common Denominators
Students use felt board in the shape of fractions to discover common denominators. They practice adding two fractions together after determining the denominator.
Curated OER
Estimating Altitude of Water Cloud Base
Students conduct an experiment to determine dew point and use a formula to detemine altitude. They construct a chart and predict what altitude clouds would form, given the dew point on the ground.
Curated OER
Looking For Triangles
Pupils solve problems with triangles. In this geometry lesson, students analyze shapes to find different triangles. They name the shapes created by putting triangles together.