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Interactive
Curated OER

Ten Multiple Choice Length Problems

For Students 9th - 10th
In this distance learning exercise, learners calculate the lengths of sides and diagonals of figures.  Students also compute lengths in shadow problems.  The solutions are provided by clicking on the "show answers" tab at the bottom of...
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Worksheet
Curated OER

Lesson 5.3 Vocabulary Quiz: Concurrent Lines, Medians, & Altitudes

For Students 10th - 12th
In this vocabulary worksheet, students match a given vocabulary word to the correct definition.  Words include such terms as altitude, centroid, circumcenter, circumscribed circle, inscribed circle, median and orthocenter.  This one-page...
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Worksheet
Curated OER

Constructions and Loci

For Students 9th - 12th
In this constructions and loci worksheet, students create a scale drawing of a running track. They identify the starting positions for a given race. Students bisect angles. They construct an angle trisector. This three page worksheet...
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Lesson Plan
Curated OER

Trigonometric Ratios

For Teachers 10th - 12th
Students measure and analyze angles. For this trigonometry lesson, students measure angles and distances use non-traditional techniques. They identify the different ratios of sine, cosine and tangent.
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Lesson Plan
Curated OER

Connecting Translations, Reflections, and Rotations

For Teachers 9th - 12th Standards
Learners differentiate between translation, reflection and rotation. They explore the 3 types of transformation using Cabri Jr. and build on previous knowledge in this lesson.
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Worksheet
Curated OER

Transformations

For Students 10th
For this geometry worksheet students rotate, reflect, and translate geometric shapes. The four page worksheet contains seventeen problems  Solutions are not provided. 
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Lesson Plan
Curated OER

Reflections

For Teachers 9th - 10th
Students investigate image and pre-image. In this geometry lesson plan, students identify the reflection and rotation of different shape on a coordinate plane. They identify similarities and differences of image and pre-image of a...
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Lesson Plan
Curated OER

Exploring Areas of Irregular Polygons

For Teachers 9th - 12th Standards
Students solve for the area of different polygons. In this geometry lesson, students identify and differentiate between regular and irregular polygons. They use properties of irregular polygons to solve problems.
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Worksheet
Curated OER

Quiz: Translations and Vectors

For Students 7th - 9th
In this translation and vector worksheet, students graph and label translations of polygons and points. Translation instructions are given as ordered pairs, as well as in written words. This one-page worksheet contains ten problems.
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Lesson Plan
Curated OER

Transformations-Translations

For Teachers 10th - 11th
Students perform transformations and translation on a coordinate plane. In this geometry lesson, students move shapes around on a graph identifying translation, image, and transformation. This lesson has an interactive part online that...
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Lesson Plan
Curated OER

Origami Cube

For Teachers 9th - 10th
Learners compare two lengths using the area of a square. In this geometry lesson, students solve problems using ratio and proportion of the two shapes. They solve equations by taking the square root of both sides.
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Lesson Plan
Curated OER

Translations

For Teachers 9th - 10th
Students perform translations on different polygons. In this geometry lesson, students create figures that will be used as an assessment to represent transformation. They perform hands on creation and relate it to the real world.
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Organizer
Curated OER

Properties of Shapes

For Students 9th - 12th
In this math worksheet, students look for the properties related to each shape and then fill in the graphic organizer with the categories needed.
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Lesson Plan
Curated OER

The Flat Earth

For Teachers 9th - 11th
Students differentiate between different planes. In this geometry lesson, students differentiate between a plane and a sphere. They discuss the Great Circle, Geodesic and Lune as it relates to the earth.
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Lesson Plan
Curated OER

Trigonometry in Action

For Teachers 9th - 12th
Young scholars examine how to apply the principles of trigonometry in authentic measurement situations. They work in groups to determine the height of an object such as a flag pole by determine the angle from their position to the top.
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Worksheet
Curated OER

Maximum and Minimum Problems

For Students 11th - Higher Ed
In this maximum and minimum problems worksheet, students solve and complete 9 various types of problems. First, they find two numbers with a given sum. Then, students find the maximum and minimum value of each equation. They also find...
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Lesson Plan
Curated OER

Sail Problem

For Teachers 9th - 12th Standards
High schoolers explore the proportional relationships involved in multiple parallel lines being cut by a transverse line. They complete a sail design problem, that involves finding the lengths of pieces of fabric along the edge of a sail...
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Worksheet
Curated OER

Downtown Landmarks: geometry on Firstside

For Students 5th - 10th
In this geometry worksheet, students look at a picture of downtown landmarks and identify different shapes, lines, and more. Students identify 18 items.
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Worksheet
Curated OER

The Pascal Problem

For Students 7th - 12th
In this Pascal activity, students begin at the center of a rhombus to identify the number of ways the word "Pascal" may be found.  This one-page activity contains 1 puzzle.  The answer is provided at the bottom of the page.
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Worksheet
Curated OER

Silly Sammie Seal

For Students 9th - 11th
In this seal worksheet, students match deratives and intervals to their answer.  They match equivalent problems.  This one-page worksheet contains 22 problems.
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Worksheet
Curated OER

Probability of an Event Occurring

For Students 8th - 10th
In this probability learning exercise, students calculate the chance of an event occurring. They solve word problems using probability. There are 3 questions with an answer key.
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Worksheet
Curated OER

Challenge: Skills and Applications Lesson 2.4

For Students 9th - 10th
In this algebra worksheet, students create arguments using conjectures. They identify the sequence and the pattern and formula. They solve products and prove sum of integers. There are 8 questions.
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Lesson Plan
Curated OER

Math Lesson Plan #2: Real Life Problems

For Teachers 10th
Tenth graders solve problems using the tangent of angles using the flagpole and its shadow as references.
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Lesson Plan
Curated OER

Why Study Fractals?

For Teachers 9th - 12th
Young scholars explore the concept of fractals. In this fractals lesson, students use the website to research where fractals occur in nature. Young scholars research what fractals are and how fractals are used to solve real world...

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