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TI Workshop Presentation Guide for "Preparing for Proofs"
Pupils discover proofs using the TI in this geometry activity. They collect data from newspaper and magazines and analyze their data using the TI, relating it to proofs.
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What's the Scale?
Pupils will analyze scales as related to models and real life in this geometry lesson. They work together to compare the dimensions on a model as compared to the real building.
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Introducing Powers and Models
Students construct two dimensional models to illustrate squared numbers. In this geometry activity, students use graph paper and an x/y axis to build squares exponentially. Students identify powers and relationships between various...
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Pyramids and Prisms: Guler's Formula
Sixth graders detect and categorize the attributes of geometric shapes to solve problems. In this geometry instructional activity, 6th graders construct a variety of polyhedra. Students recognize the relationships between two...
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Pascal's Triangle
In this geometry lesson, 10th graders investigate Pascal's Triangles as they relate it to probability problems and geometric problems. They review the theories behind the formulas.
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Shapetown
Students identify basic geometric shapes. In this geometry lesson plan, students read the book Shapetown and identify the various shapes from the story. Students are given a sheet and draw part of a town using only shapes.
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What is a Tangram?
Students identify a tangram. In this geometry activity, students read Grandfather Tang's Story and retell each story using the tangrams on a flannel board. Students use tangrams to complete an included worksheet.
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Tantalizing Tangrams: What Are Transformations?
Students use the Internet to learn about transformations and tessellations. In this geometry lesson plan, students use the Internet to define the meaning of reflections, translations, rotations, glide reflection and symmetry. ...
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Up, Up and Away
Tenth graders experiment with gravity and air pressure. In this geometry lesson, 10th graders build their own kits and fly it. They investigate the questions: what keeps a kite in the air and what are some important factors when flying a...
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Paper Towel Structure
Young scholars investigate technology and its purpose in the workplace. In this geometry instructional activity, students design and build a paper towel structure to investigate motion and forces. They are given a restricted weight and...
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Triangle Sum Theorem
Tenth graders investigate the theorems of angles and lines to prove triagle sum theorem. In this geometry lesson, 10th graders discuss the theorems of triangles and how it is used to solve for missing sides or angles. They review how two...
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Triangles in My Life
Tenth graders investigate where in the real world triangles are used. In this geometry lesson, 10th graders write an essay describing where in their lives triangles are used. They can use food, buildings, clothing or anything triangular...
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Angles
Students measure angles using a protractor. In this geometry activity, students solve for the missing angles using equations set to the theorem of triangles. They measure missing angles through construction and identify congruent angles.
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Contructions and Conjectures
Students make constructions and conjectures. In this geometry lesson, students construct right, acute and obtuse angles using a straight edge and a protractor. They investigate parallel lines and the angles formed by the angles.
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Special Triangles and Circles
Students investigate special triangles and circles. In this geometry lesson, students construct a perpendicular bisector and discuss angles of a triangle. They find the angle bisectors, vetex and the types of circle constructed.
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Scale
Students apply concepts of scales to solve problems. In this geometry lesson, students solve real world problems using scales, proportions and ratios. They predict the actual size of a model given the scale drawings.
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Indirect Measurement
Young scholars measure and apply their knowledge of proportion to solve problems. For this geometry lesson, students measure using a meter stick, small mirror and measuring tape. They compare and contrast their measurements to objects...
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Measuring the Egyptian Way using the Pythagorean Theorem
Students measure using the Pythagorean Theorem. In this geometry lesson, students solve right triangles using the properties of the Pythagorean theorem. They apply the same knowledge to solving story problems.
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Measurements in Sports
Sixth graders study measurement problems. In this geometry instructional activity, 6th graders discuss the different types of measurement used in sports and answer questions regarding measurement problems in sports.
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Perimeter Word Problems
Tenth graders solve for the perimeter and rewrite word problems. For this geometry lesson, 10th graders label different shapes and set up the corresponding ratios as equations. They solve for the missing side and calculate the values for...
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Perimeter and harder equation practice
Students calculate the perimeter of different shapes. In this geometry lesson, students set up the relationship of the perimeter using equations. They set up the proper ratio and solve using the distributive property. They relate...
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Coordinate Plane
Tenth graders draw, label, plot and locate points on a coordinate plane. In this geometry instructional activity, 10th graders define a coordinate plane and identify the different quadrants. They relate coordinate plane to the game of...
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Solid Surface Area
Students calculate the area of solids. In this geometry lesson, students use formulas to find the surface are and the volume of solids. They investigate 3-dimensional shapes.
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The Value of Volume
Students measure the perimeter and area of their polygons. In this geometry lesson, students calculate the volume and area using the correct tools. They calculate the time and temperature and the perimeter and side lengths of triangles.