Curated OER
Surface Area of Pyramids
Pupils identify the surface area of pyramids and other polygons. In this geometry instructional activity, students find the different measurements for the different parts of a polygon. They use the surface area formula to solve for the...
Curated OER
Geometric Probablitiy: Spinners and Dartboards
Sstudents explore and analyze the properties of geometric areas. In this geometry lesson, sstudents use technology to simulate spinners and dartboards in order to fing areas of circles and sectors of circles and compare and contrast...
Curated OER
Tests for Parallelograms
In this geometry worksheet, 10th graders state the theorem used to determine if the given quadrilateral is a parallelogram and find the indicated missing angle measures and side lengths. The two page worksheet fifteen questions. Answers...
Curated OER
New York State Testing Program Math Release questions grade 8
In this algebra and geometry activity, students solve seven varying math problems. This activity will help prepare students for standardized tests covering algebra and geometry.
Curated OER
A Lesson on the Root Spiral
Students create lines and shapes with a compass and a straight edge. In this geometry lesson, students investigate square roots, irrational numbers and spirals. They explore nature to see the shapes representing mathematics and geometric...
Curated OER
An Introductions to Congruent Polygons
Students differentiate between similar and congruent polygons. In this geometry lesson, students define the theorems and reasons for polygons similarity and congruence. They are given pictures and patterns to differentiate and identify.
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Strongest Polygon
Pupils define and identify shapes by name. In this geometry lesson, students construct, identify and compare polygons based on the number of sides. They classify each shape based on their angle sum theorem.
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Congruence with Robot Gobot
Students identify the properties of solids and polygons. For this geometry lesson, students identify the different measurements of a triangle. They use congruence parts and theorem to prove their answer.
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Unit Circle and Triangle
Students apply the Unit Circle to solve ratios of triangles. In this geometry lesson, students derive the different ratios of a triangle using the Pythagorean Theorem. They find the angles of a unit circle using a right triangle.
Curated OER
Exploring Volume of Cylinders
Tenth graders investigate the volume of a cylinder. In this geometry lesson plan, 10th graders create three-dimensional cylinders and use a ruler to determine the dimensions. The lesson plan progresses to the use of the formula to find...
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Proofs with Triangles
In this geometry worksheet, student solve problems with triangles using proofs. They identify the solution based on SSS, SAS, ASA. There are 5 proofs tobe completed.
Curated OER
Proportional Parts Homework
In this geometry worksheet, learners differentiate between similarity and proportion. They use scale factor as they solve for the different proportions. There are 15 questions.
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Students use fundamental counting principle to compute combinations and permutations
Students define Pascal's triangle and special notations used to represent nth elements. In this geometry lesson plan, students solve problems using permutations and combinations. They compare the formula for permutation to that of...
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Right Triangles and The Unit Circle
Learners solve right triangles using trigonometry. In this geometry lesson plan, students use the unit circle to identify different trig values. They identify the six trigonometric identities.
Illustrative Mathematics
Slopes and Circles
An upper-level treatment of what is often presented as a basic concept (the right angle of an inscribed circle on the diameter), this activity really elevates the mathematical thought of the learner! Expected to develop formulas from...
Curated OER
Math: Arcs and Chords
Students draw diagrams demonstrating how it is possible to two central angles to be congruent and their minor arcs are not congruent. In groups, they illustrate theorems with their constructed circles, create diameters of circles that...
Willow Tree
Perimeter of Common Geometric Figures
Help learners understand that perimeter and circumference are one in the same. Learners apply their skills to determine the perimeter/circumference of triangles, rectangles, and circles. They then use the same strategy to find the...
Curated OER
Similar Polygons Homework
In this geometry activity, students solve problems using the similarity and congruent theorem. They find the vertices and different parts of polygons using theorems. There are 18 questions.
Curated OER
Clairbuoyant
In this geometry learning exercise, 10th graders use the Pythagorean Theorem to determine how far a boat is from its original position. The one page learning exercise contains one problem with the solution.
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Triangle Fundamentals Homework
In this geometry activity, students identify the missing angles of non right triangles using the angle sum theorem. They solve for the unknown using algebra. There are 21 questions.
Curated OER
Isosceles Triangles Homework
In this geometry worksheet, students solve isosceles triangles using property of congruency. They find missing angles using the different angle theorem. There are 15 questions.
Curated OER
Triangle Inequalities
In this geometry worksheet, students use the inequality theorem to figure out if three segments will make a triangle. They are given the measures of two segments and must figure out the third segment on their own. There are 20 questions.
Curated OER
Polygons Multiple Choice
In this geometry activity, students identify the interior and exterior angles using the angle sum theorem. They identify and solve quadrilaterals using properties of quadrilaterals. There are 12 questions with an answer key.
Curated OER
Congruent Triangles Multiple Choice
In this geometry worksheet, students differentiate between congruent and similar triangles. They solve for the missing angle using triangular theorem. There are 5 questions with an answer key.
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