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Electric Hoist Problem
Students convert angle measures between degrees and radians. They are given a copy of the task sheet with a graphic to help describe the situation. Pupils review the angle and arc relationship in a circle related to length of the...
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Applications of Triangles
Students apply the properties of a right triangle. In this triangle lesson, students describe and compare radians to degrees. They solve problems using the properties and ratios of a right triangle.
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When a Ruler is Too Short
Students measure distances using parallax. In this math lesson, students explain how this method helped astronomers with their studies of the solar system. They determine the length of their arm using parallax and compare it with other...
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Shape Up
Young scholars explore differents types of triangles and quadriaterals. In this polygon lesson, students model identify and compare two and three dimensional geometric figures. Young scholars create tangrams and discover the...
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Triangle Inequality Theorem
High schoolers investigate the relationship between angle measures and sides of a triangle and the relationships among the three sides of a triangle. The use of technology (Cabri, Jr.) allows learners to make and test conjectures as they...
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Triangle Inequalities
Properties about triangles are explored in this lesson. Geometers make conjectures about the length of a triangle's sides, the length of the angles in relation to the length of the sides, and the measure of the exterior angles of a...
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Only the Shadow Knows
Young scholars become familiar with the causes for formation of shadows. They create shadows, compare the size and shape of the shadow with the actual object, engage in shadow play theatre, and discover what happens to shadows when there...
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I. M. Pei and the Geometry of the NGA
Learners compare design elements in neoclassical and modern architecture. They review knowledge of triangles and quadrilaterals and design a geometric pattern using Pei's polygons They create a city plan using a variety of lines and...
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Indirect Measurement
Students measure and apply their knowledge of proportion to solve problems. In this geometry lesson, students measure using a meter stick, small mirror and measuring tape. They compare and contrast their measurements to objects outside...
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Flip's Flag
Fifth graders apply the symmetry and angle properties of polygons and use fractions to express the relationships between the areas of rectangles, squares, and triangles. They analyze various country flags and develop mathematical...
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Radian Measure
In this Algebra II/Pre-calculus worksheet, students explore radian measure of an angle and convert between degree and radian measure. The seven page worksheet contains explanation, examples, and nineteen multi-part problems. Answers are...
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Geometry is Fun and EverywhereGeometry, You Don’t Care? Geometry is Fun and Everywhere
Third graders investigate shapes in our world. In this geometry lesson plan, 3rd graders describe plane and solid shapes and identify angles, solid objects and lines of symmetry. Students use online resources, graphic organizers and...
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Exploring the Soul of India
Students use websites to obtain information on the relationship between religion and current issues in India. They compare the information with pre-20th century India.
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Geometric Shapes
Young scholars identify polygons. In this geometric shape lesson, students explore the characteristics of polygons. They identify polygons, and classify triangles according to their sides and angles. Young scholars...
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Silhouette Outlines
Students create a silhouette by directing light at a person. They change the light, distance from the person and angle to make the shadows different. They are to describe the relationship between the light source and the object.
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Shadow Games
Students create different shapes by putting light on different objects. They change the distance from the object, the light source and angles to make the shadows different. They are to describe the relationship between the light, object...
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Measurement
Young scholars explore the necessity for standards of measurement and measure length, volume, mass and angles. In this measurement lesson plan, students use their hand and foot to measure objects in the room. They compare their...
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Objects Race 500
Students explore the concept of "shape affects speed" through a series of experiments. In this physics lesson, students participate in an experiment in which various objects are released on an inclined plane. Speed and distance are...
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IS THE SUN OUR HEATER?
Students explore and discover how the sun provides heat to the earth, depending on the surface as well as the angle of the sun's rays.
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DNA Extraction Lab
Students extract DNA and test for its presence from unroasted (raw) wheat germ using a prescribed procedure. They modify the procedure to provide a less expensive, easier method. They also extract DNA from different available plant,...
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Foodborne Illness Outbreak Investigation
Students demonstrate how epidemiological investigations of outbreaks are performed. They illustrate the principles of hypothesis formation and testing by epidemiologic study in the setting of an acute foodborne disease outbreak.
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Rep Tiles
Third graders use pattern blocks of one shape at a time to try to create a similar shape. They compare the perimeter of the new figure with the perimeter of the original shape and look for a pattern. Students use the pattern to predict...
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The Basics of Journalism: A Little Preview
Students define journalism and identify the basic components of a news story. In this journalism basics instructional activity, students define the word journalism, read a new story, and break it into parts with two major characteristics...
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Third Grade Geometry
Third graders describe 2D and 3D shapes. In this geometry lesson, 3rd graders watch a PowerPoint presentation showing the terms used when analyzing shapes: vertex, edge, angle, side, and face. They compare shapes to see what they have in...