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Worksheet
Curated OER

Atmospheric Shielding from Radiation I

For Students Higher Ed
In this radiation instructional activity, students calculate the distance of a satellite in orbit to determine the placement of a radiation detection device. This instructional activity has 2 problems to solve.
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Lesson Plan
Curated OER

Tangent Properties

For Teachers 9th - 12th
Students explore properties of tangent lines.  In this properties of tangent lines lesson plan, students discuss the perpendicular relationship between a tangent line on a circle and the circle's radius.  Students use that relationship...
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Lesson Plan
Curated OER

This Building is Tall

For Teachers 9th - 12th
Learners calculate the perimeter of shapes. In this geometry lesson, students relate properties of polygons to the real world. They find length, midpoint and slope.
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Lesson Plan
Curated OER

Reflection

For Teachers 4th - 6th
Students examine how some transformations, such as reflections and rotations, do not change the figure itself, only its position or orientation.
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Lesson Plan
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Reflection

For Teachers 8th
Eighth graders use a stencil to make a figure with which they discover the horizontal line of reflection, the vertical line of reflection, and the diagaonal line of reflection using coordinates.
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Worksheet
Curated OER

Thinking!!!

For Students 4th - 8th
In this mathematical concepts worksheet, students complete math word problems dealing with fractions, multiplication, probability, and more. Students complete 8 problems total.
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Worksheet
Curated OER

Seventeen Math Regents Exam Pythagorean Theorem Questions

For Students 8th - 10th
In this Pythagorean Theorem worksheet, students solve seventeen Math Regents Exam questions using the Pythagorean Theorem.  The solutions are provided.
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Lesson Plan
Curated OER

Observing the Outer Planets

For Teachers 9th - Higher Ed
Learners observe the outer planets. In this science lesson, students use a telescope locate the outer planets of the solar system. Learners create a video of their observations.
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Lesson Plan
Curated OER

Math: Geometric Fun and Games

For Teachers 3rd
Third graders discover geometric shapes by completing a series of games and activities. Using ropes with knots tied every foot, they make shapes such as squares, triangles, and hexagons. In pairs, 3rd graders use pattern blocks to...
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Lesson Plan
Curated OER

Water Quality Monitoring

For Teachers 6th - 12th
Students comprehend the four parameters of water quality. They perform tests for salinity, dissolved oxygen, pH and clarity or turbidity. Students comprehend why scientists and environmental managers monitor water uality and aquatic...
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Lesson Plan
Curated OER

Beaches of the Delaware Estuary

For Teachers 6th - 8th
Young scholars examine estuaries in Delaware. They, in groups, gather samples of water to find organisms and identify them.
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Lesson Plan
Curated OER

Exploring Special Segments in Triangles

For Teachers 9th - 12th
Young scholars discover that four special segments have a common intersection point. They identify the position of the intersection point in triangles. They produce conjectures about areas of the divided triangles.
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Lesson Plan
Curated OER

Time Flies When Math Is Fun

For Teachers 3rd
Third graders pracdtice telling time with a demonstration clock.
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Lesson Plan
Curated OER

Design Your Space

For Teachers 5th - 8th
Students evaluate the acceptable use of classroom space. The class participated in a brief lecture and discuss of floor plans and how they are used in architecture. Using graph paper, they create a scale drawing of the classroom...
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Lesson Plan
Curated OER

A thousand seconds

For Teachers 1st - 3rd
Students use seconds, minutes, and hours. They then discuss the size of a thousand. After that they read time in digital or analogue form.