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Lesson Plan
Curated OER

Geometry Journal: Isosceles Triangles

For Teachers 10th - 12th
In this isosceles triangles worksheet, students justify and determine the symmetry of an isosceles triangle. They explore the bisector of rectangles. This three-page worksheet contains two problems. Answers are listed on page three.
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Interactive
Curated OER

Eight Convert to Area Metric Units Problems

For Students 6th - 10th
In this metric unit conversion worksheet, students convert area units into are metric units.  Students are provided hints and solutions by clicking on the "Check" or "Hint" button at the bottom of the page.
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Worksheet
Helping with Math

Geometry: Areas of Triangles

For Students 7th - 9th Standards
For this areas of triangles instructional activity, students observe given polygons. They determine the area of triangles, rectangles and compound figures. This one-page instructional activity contains 5 multi-step problems. This...
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Worksheet
Curated OER

Conditional Statements

For Students 9th - 10th
For this geometry worksheet, students read given sentences and identify the hypothesis and the conclusion of the conditional statements. There are 21 questions.
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Lesson Plan
Curated OER

Metric System

For Teachers 8th - 10th
Students solve problems using the metric system. In this algebra lesson, students convert between the metric system and the Imperial system. They use these two systems to solve real life problems.
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Lesson Plan
Curated OER

Geometry Regents Questions: Isosceles Triangle Theorem

For Teachers 9th - 12th
In this isosceles triangle worksheet, students solve 19 multiple choice and short answer problems.  Students use the isosceles triangle theorem to determine unknown angle measures.
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Worksheet
Curated OER

Standardized Geometry Test Practice

For Students 10th
In this angles, lines and figures review worksheet, 10th graders solve and complete 33 standardized multiple choice problems. First, they use the Segment Addition Postulate to solve for a variable given an equation for each line. Then,...
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Lesson Plan
Curated OER

Perpendicular Bisector Theorem

For Teachers 9th - 12th Standards
High schoolers construct perpendicular bisectors using Cabri Jr. on their graphing calculator. They then construct conditional statements about perpendicular bisectors along with their converse, inverse, and contrapositive.
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Worksheet
Curated OER

The Theorem of Pythogoras

For Students 9th - 10th
In this geometry worksheet, students solve right angle triangles using the Pythagorean Theorem. They calculate the area and sides of triangles and circles. There are 52 questions total.
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Lesson Plan
Curated OER

Inflation and Unemployment

For Teachers 9th - 10th
Students explore the role of government in the economy market. In this economics lesson, students analyze the decision making and how it takes into consideration additional cost, benefits and public awareness of what they are trying to...
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Lesson Plan
Virginia Department of Education

The Pythagorean Relationship

For Teachers 9th - 11th Standards
Add up areas of squares to discover the pythagorean relationship. Small groups create right triangles with squares along each side. They calculate the areas of each square and notice the relationship. Groups construct other types of...
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Activity
101 Questions

Styrofoam Cups

For Teachers 8th - 12th Standards
How many cups does it take to reach the top? Learners attempt to answer this through a series of questions. They collect dimension information and apply it to creating a function. The lesson encourages various solution methods and...
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Lesson Plan
EngageNY

Similarity

For Students 9th - 10th Standards
Learn similarity through a transformations lens! Individuals examine the effects of transformations and analyze the properties of similarity, and conclude that any image that can be created through transformations is similar. The...
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Activity
101 Questions

Toilet Paper Roll

For Teachers 9th - 12th Standards
You won't want to flush a great lesson down the drain! An intriguing resource asks learners to predict the number of sheets of toilet paper on a roll. Presented with the dimensions of the roll and one sheet of paper, scholars make...
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Worksheet
Curated OER

Geometry: Calculating Area

For Students 7th - 9th
In this calculating area worksheet, students find the area of complex shapes. This one-page worksheet contains 6 multi-step problems.
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Worksheet
Curated OER

Calculating Surface Area

For Students 7th - 9th
In this surface area worksheet, learners find the surface are of cubes and rectangular prisms.  This one-page worksheet contains 3 problems.
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Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 7th - 12th
Students investigate the Pythagorean Theorem.  In this seventh through twelfth grade geometery lesson, students explore the Pythagorean Theorem and its converse and use it to find the length of the missing side of a right triangle.
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Worksheet
Curated OER

Conditional Statements

For Students 9th - 10th
In this geometry worksheet, students read given sentences identifying the hypothesis, and conclusion. They rewrite sentences usign the if-then form. There are 14 questions.
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Lesson Plan
Curated OER

Math: Gears and Wheels

For Teachers 12th
Twelfth graders solve problems involving linear and angular speed. Using information about a compact disc, they solve the problem using multiple rates and conversion factors. Students also solve additional problems involving bicycle...
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Lesson Plan
Curated OER

Similar Triangles - Applied Problems

For Teachers 9th - 12th
Pupils differentiate between similar and congruent triangles. In this geometry lesson, students identify the angles of triangles using the similarity theorem. They apply concepts of triangles to the real world.
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Lesson Plan
Curated OER

Fastest Way to a Full Belly

For Teachers 9th - 12th
Students create a scale model of a cafeteria. In this scale lesson, groups improve their actual school cafeteria layout by taking measurements of the structure and redesigning furniture and food serving lines. They create a scale drawing...
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Worksheet
Curated OER

Diagnostic Test: Angles & Parallel Lines

For Students 9th - 11th
In this diagnostic test worksheet, students solve problems involving angles, parallel lines, and perpendicular lines. They identify alternate interior angles, alternate exterior angles, and corresponding angles. Students find the...
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Lesson Plan
Curated OER

Redesigning the Classroom

For Teachers 9th - 12th
High schoolers redesign the classroom space. In this geometry lesson plan, students part take in making classroom rules and assigning value to the space in the classroom. They investigate measuring and problem solving in this lesson plan.
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Lesson Plan
EngageNY

Arcs and Chords

For Teachers 9th - 10th Standards
You've investigated relationships between chords, radii, and diameters—now it's time for arcs. Learners investigate relationships between arcs and chords. Learners then prove that congruent chords have congruent arcs, congruent arcs have...