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Transformations: Rotation

For Students 10th
In this rotations worksheet, 10th graders solve and complete 10 different problems that include measuring various types of transformations of geometry. First, they determine the measure of an angle between two pointers. Then, students...
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Complementary Angles (A)

For Students 5th - 6th
In this angles worksheet, students solve 6 problems in which the missing angle measurement in each set of complementary angles is calculated.
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All Angles

For Students 7th
In this angles activity, 7th graders study the intersected lines and find all angle measurements using the given angle. Students solve 6 problems.
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Types of Angles

For Students 10th
In this types of angles worksheet, 10th graders solve 10 different problems that include various types of angles. First, they determine the number of degrees in an angle with two supplementary angles. Then, students determine the value...
Lesson Plan
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Dividing Line Segments into n Congruent Parts

For Teachers 9th - 10th
Learners identify lines, and line segments. In this geometry lesson, students divide line segments into equal congruent parts. They complete a laboratory activity dealing with lines and segments.
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Polygons

For Students 10th
In this polygons learning exercise, 10th graders solve 10 different problems that include determining various interior angles in polygons. First, they determine the number of sides a polygon has with a given measure for each angle. Then,...
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Congruent Triangles

For Students 10th
In this congruent triangles worksheet, 10th graders solve and complete 10 different problems that involve various congruent triangles. First, they determine the length of the third side given the other two. Then, students determine the...
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Arcs in Circles

For Students 10th
In this arcs in circles worksheet, 10th graders identify 10 different circles and the measurement of their arcs. First, they determine the length of a minor arc to the nearest integer. Then, students determine the radius of a circle...
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Angles

For Students 10th
In this angles worksheet, 10th graders measure 10 different types of angles described in each problem. First, they determine whether two congruent angles form a supplementary figure. Then, students determine the degrees in an angle when...
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Quiz: Triangle Inequality Theorem

For Students 7th - 8th
In this triangle inequality theorem worksheet, students determine the lengths of the sides of triangles and identify the measure of angles. This one-page worksheet contains ten triangle theorem problems.
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Polygons

For Students 10th
In this polygons worksheet, 10th graders solve 10 different problems that include various types of polygons. First, they determine the number of sides that a polygon has if the exterior angle is a certain degree. Then, students determine...
Lesson Plan
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Why can't We Use SSA to Prove Triangles Congruent?

For Teachers 9th - 10th
Students investigate triangles and congruences. In this geometry lesson, students differentiate between inductive and deductive reasoning. They differentiate between similar and congruent triangles.
Lesson Plan
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Exploring the Hinge Theorem

For Teachers 9th - 10th
Students explore the application of Hinge Theorem. For this geometry lesson, students write inequalities, given two sides of a triangle. They solve problems with triangular inequalities using the proper theorem.
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Corresponding Angles

For Students 4th - 6th
In this corresponding angles instructional activity, students use their knowledge of corresponding angles to determine the measurements of angles marked with a question mark.
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Alternate Angles

For Students 4th - 5th
In this alternate angles worksheet, students use their knowledge of alternate angles to determine the measurements of the angles that are marked with a question mark.
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Alternate Angles 2

For Students 4th - 6th
In this alternate angle worksheet, students use their knowledge of alternate angles to determine the measurements of angles marked with a question mark.
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Corresponding Angles 3

For Students 4th - 6th
In this corresponding angles worksheet, learners use their knowledge of corresponding angles to determine the measurements of angles marked with a question mark.
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Composition of Reflections

For Teachers 9th - 10th
Students perform reflections and translations of polygons. In this geometry lesson, students perform reflection in two parallel lines. They use Cabri to observe the transformation and rotations of each shape.
Lesson Plan
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Circle, Secants

For Teachers 9th - 11th
Young scholars identify the secant segment of a circle. In this geometry lesson, students investigate secant lines formed outside the circle. They use Cabri software to create drawings and explore circles and secants.
Lesson Plan
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Exploring Secants: Products of Segments

For Teachers 9th - 10th
Pupils explore secants and circles. In this geometry lesson, students identify the properties of two and three dimensional shapes. They create arguments to prove the theorems are true.
Lesson Plan
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Exploring Chords: Products of Chord Segments

For Teachers 7th - 10th
Students identify the properties of chords. In this geometry lesson plan, students multiply chord segments to find the solution to their problem. They construct two chords that cross on  a circles.
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Corresponding Angles

For Students 6th - 10th
For this corresponding angles worksheet, students measure the corresponding angles in each problem. Students complete 6 problems.
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Transformations - Rotation

For Students 7th
For this transformations worksheet, 7th graders measure 10 different figures related to rotation. First, they determine the measure of the angle between blades of a windmill. Then, students determine the rotation clockwise and then...
Worksheet
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Exterior Angles

For Students 10th
In this exterior angles worksheet, 10th graders solve and measure 10 different angles and figures related to exterior angles. First, they determine how many degrees there are in the sum of the exterior angles of a regular heptagon. Then,...

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