Curated OER
Tantalizing Tangrams: What Are Transformations?
Students use the Internet to learn about transformations and tessellations. In this geometry lesson, students use the Internet to define the meaning of reflections, translations, rotations, glide reflection and symmetry. ...
Curated OER
Exponents
Ninth graders solve problems involving exponential functions. In this algebra lesson, 9th graders apply their knowledge of exponential properties to add, multiply, divide and subtract exponential functions. They perform these operations...
Curated OER
Measuring the Egyptian Way using the Pythagorean Theorem
Students measure using the Pythagorean Theorem. In this geometry instructional activity, students solve right triangles using the properties of the Pythagorean theorem. They apply the same knowledge to solving story problems.
Curated OER
Areas of Trapezoids, Rhombuses and Kites
Students calculate the area of different polygons. In this geometry lesson, students find the area for trapezoids, rhombuses and kites.
Curated OER
Determining Center of Gravity
Students complete calculations involving the structure and properties of matter. They engage in a variety of problem solving activities to help them determine the center of gravity.
Curated OER
Demonstrating That Air Has Mass
Fourth graders demonstrate that air has mass. In this performance task, 4th graders design an experiment to demonstrate that air has mass. They will illustrate their demonstration and explain their findings.
Curated OER
Is the Hudson River Too Salty to Drink?
Students explore reasons for varied salinity in bodies of water. In this geographical inquiry lesson plan, students use a variety of visual and written information including maps, data tables, and graphs, to form a hypothesis as to why...
Curated OER
Partial Quotients
Fifth graders examine the partial-quotients algorithm for finding the answer to a division problem. For this partial quotients lesson, 5th graders demonstrate the process of division through a series of estimations....
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The Overlooked Regular Pentagon
Tenth graders discuss the history of geometry as it relates to pentagons. In this geometry lesson, 10th graders solve problems of a pentagon inscribed inside of a circle using ratio. They review other properties for shapes of polygons...
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Factoring Quadratics
Students solve quadratics using factoring. In this algebra lesson, students rewrite word problems and use properties of quadratic equations to solve.
Curated OER
The Tangent Ratio
Students calculate the tangent ratio given a right triangle. In this trigonometry lesson, students use a right triangle and the Pythagorean Theorem to solve problems.
Pennsylvania Department of Education
Let's Learn Those Facts: Looking Back and Moving Forward
Students participate in an adding game. For this adding numbers lesson, students calculate the sum of the dice and remove a number from their activity sheet. Students who first removes the numbers is the winner.
Curated OER
Electricity: Will It Conduct?
Students build conductivity testers and investigate which solids and solutions conduct electricity. Working in groups, they predict which items will conduct electricity and record their answers on worksheets.
Curated OER
Modeling Mania
Learners describe techniques helpful in solving spatial problems which utilize the notion that a model is a simplified version of something complicated. They utilize methods such as sketching or drawing possible solutions to a problem.
Curated OER
Mighty Oaks from Little Acorns
What does it mean to grow? To germinate? For the plan detailed here, class members investigate the growth process of an oak tree while focusing on the beginning stages of planting and germination. They plant seeds and record observations...
Curated OER
Economic Activity and Markets
Learners identify and interpret that economic activity involves making choices in the face of scarcity, therefore making choices involves a cost. They also identify that individuals interact in markets by inducing one another, through...