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Creating Parallel Lines and Transversals
Have your class create parallel lines. Young scholars will learn how to identify the different angles created by a parallel line cut by a transversal. Then, they identify and name similar and different angles.
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Triangle Sum Theorem
Teach your class how to solve problems using the triangle sum theorem. In this geometry activity, students identify the missing angles in a triangle using the sum theorem. They graph triangles on the TI and moves the sides around to...
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Special Segments in Triangles
Students identify important properties of triangles. In this geometry lesson, students differentiate between medians, bisectors and altitudes in a triangle. They identify the properties of these important segments.
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Angles and Similarity
Students identify triangles as similar or congruent. In this geometry lesson, students drag triangles around on the navigator to see the effect of different angles on the shape of the triangle. They discuss angle similarity and angle...
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Nested Similar Triangles
Nested triangles have been created so that they share a common vertex and vertex angle. Learners drag the endpoints of the side that is opposite the common angle to discover the conditions that make the nested triangles similar. When...
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Triangle Midsegment
Learn how to calculate the length and midsegments of triangles. Students differentiate between similar and congruent triangles. They create a spreadsheet with their findings.
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Scale Factor Area Perimeter
Mathematicians compare triangles at different scales. In this geometry lesson, students calculate the area and perimeter of triangles. They use the Ti to make observation of the change that takes place as the triangles are dilated.
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Pythagorean Relationships
Oh that Pythagorean Theorem is so useful. Learners engage in a 45 minute learning activity that requires them to solve for missing angles and sides of a right triangle. They'll use the Pythagorean Theorem to find the rations of sides and...
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Trigonometry Ratios
Students identify the different angles and sides of a triangle. In this geometry lesson, students identify the six trigonometric ratios. They graph the graph of each trig function and analyze it.
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Pythagorean Triples
Teach how to solve problems with right triangles. Young scholars use the Pythagorean Theorem to identify missing sides and angles. Then, they will define and use the Pythagorean Triples to solve problems.
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Interior Angles of Regular Polygons
Students investigate the interior angles of a triangle. In this geometry instructional activity, students create the formula to calculate the angles inside a triangle. They observe the total sum of a triangles angle on the navigator.
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Properties of Special Quadrilaterals
Teach your mathematicians how to identify the properties of quadrilaterals. In this geometry lesson, high schoolers solve for missing angles and sides of a special quadrilateral. They use the TI to move the sides around and create...
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Creating a Midpoint Quad
Using a TI Navigator to drag quadrilaterals around to create different shapes, students learn how to draw midpoints in their quadrilaterals. In this geometry lesson plan, students solve problems using the properties of...
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Creating a Cyclic Quadrilateral
Identify and make conjecture about properties of cyclic quadrilaterals. Students use the TI Navigator to create different shapes and draw conclusions.
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Chords of a Circle
Teach how to differentiate between chords and perpendicular bisectors. In this geometry lesson, students relate the properties of chords and circle to solving right triangle. They define what makes two chords congruent in side a circle.
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Arc Length and Sectors
Find the length of an arc. Students relate central angles to the area and length of a sector and graph circles on the TI to make predictions.
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Side Length, Perimeter, and Area of a Rectangle
Students calculate area, perimeter and length of rectangles. In this geometry instructional activity, students create different formulas for the problem they are being asked to solve. They use the navigator to move the shape around and...
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Tessellations with Regular Polygons
Show your learners how to create tessellations using different polygons. This is achieved by having high schoolers make observations of polygons to find the ones that will tessellate.
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Glide Reflections
Perform reflections and transformations by having your young scholars create glide reflections from translated shapes. They use the TiNavigator to explore transformations.
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Function Composition
Learners solve two functions at once. In this algebra instructional activity, students add, subtract, multiply and divide composition functions. They use the correct notation and substitution to get their answer.
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Parabolic Paths
Learners investigate properties of parabolas. In this algebra lesson, students identify the different paths of a parabola. They use the navigator to make observations of the parabola.
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Quadratic Functions and Stopping Distance
Students solve quadratic equations. In this algebra lesson, students factor and graph quadratic functions. they use the properties of quadratics to calculate the distance.
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Matrix Multiplication
Young scholars solve matrices using multiplication. In this algebra lesson, students identify the properties needed to multiply matrices. They define the terms matrix and dimensions.
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Matrix Inverses
Students solve problems with matrices. In this algebra lesson, students find the inverse of a matrix. They calculate the determinant and solve for the identity.