Curated OER
Proofs Involving Congruent Angles
In this congruent triangle worksheet, students write proofs to support characteristics of congruent triangles. This one-page worksheet contains ten problems.
Curated OER
Triangle Proofs
In this triangle proofs worksheet, students answer 5 questions about triangles and polygons given certain information. Students then construct 4 triangle or polygon proofs.
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Circles
In this circles worksheet, 10th graders solve and complete 8 different problems. First, they find the two segments perpendicular to a given circle. Then, students find the line tangent to the circle illustrated and the sides marked. They...
Curated OER
Circles
In this circles worksheet, 10th graders solve and complete 8 different types of problems. First, they find the measures of each segment given the center of a circle. Then, students find the length of a side of a triangle shown within a...
Curated OER
Systems of Equations
In this systems of equations worksheet, 10th graders solve and complete 4 different sets of problems. First, they state the domain for each equation. Then, students solve each system of equations using Cramer's Rule. They also find the...
Curated OER
Triangles
In this triangles instructional activity, 10th graders solve and complete 6 different problems. First, they draw a median from a given point and an altitude. Then, students complete each statement using the picture. They also find the...
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What Can I Do For You?
Students explore philanthropic acts within the school. In this philanthropy lesson, students list acts of philanthropy they can do at school and sing songs about philanthropic acts.
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Singing as a Way of Giving
Learners perform songs from previous philanthropy lessons. In this music instructional activity, students create a video of songs and give it to a local shelter. Learners are encouraged to be creative and sing songs such as "What Can I...
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Right Triangle
In this right triangle worksheet, students find the length of sides of a right triangle. This one-page worksheet contains 1 problem.
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Right Triangle
In this right triangle worksheet, students find the lengths of the sides of a triangle. This one-page worksheet contains 1 problem.
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Geometry Problem
In this geometry worksheet, 10th graders analyze an equilateral triangle which is divided into right triangles and determine missing lengths. The one page worksheet contains one problem. Answer is provided.
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Math Worksheet: Geometry Problem (3)
In this geometry worksheet, students find the missing side of a triangle within a triangle. Students use sine and cosine relationships as well as the Pythagorean Theorem.
Curated OER
Making Our World Better
Students research on the Internet. In this community lesson, students use various websites to find characteristics of the United States, to learn the importance of having diverse communities and to discuss what they know about the...
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The Care and Feeding of a Gingerbread Man
Students read about the gingerbread man and have community members come to their class saying where they have seen him. In this community lesson plan, students listen to different community members about how the gingerbread man has been...
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SAT Practice Test
In this secondary mathematics worksheet, high schoolers assess their readiness for the SAT test. The one page, interactive worksheet contains ten problems. Solutions are not provided.
Curated OER
SAT Grid Practice Test 11
In this SAT practice test, students compute the area and perimeter of polygons. They determine the volume of a cylinder and solve problems with exponents. This one-page worksheet contains 10 problems. Answers are provided.
Curated OER
Constructing Triangles
Pupils construct triangles. In this geometry lesson plan, students create equilateral triangles. They also construct triangles where the sides are different. They use the lab to create and move shapes around with the Cabri program.
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Incenter of a Triangle
Tenth graders find the incenter of a triangle. In this geometry lesson, 10th graders define the way to create an incenter with an angle bisector. They differentiate between incenter and incircle.
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Orthocenter Of a Triangle
Students find the orthocenter of a triangle. In this geometry lesson, students identify where the altitudes meet in a triangle. They use Cabri software to explore acute, obtuse and right triangles.
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SAS Similarity Theorem
Students identify and use the similarity theorem. In this geometry lesson, students differentiate between congruent and similar triangles. They solve problems using the computer modifying shapes by dragging.
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Heron's Formula
Students use Heron's formula to calculate the area of a triangle. In this geometry instructional activity, students use three different methods to solve the area of a triangle. They find and construct the incentor and angle bisector...
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Halle Berry
In this famous person worksheet, students read a passage about Halle Berry and then complete a variety of in-class and homework activities to support comprehension, including partner interviews, spelling, cloze, synonym...
Pennsylvania Department of Education
Counting Numbers: Four
Young scholars practice counting to four. In this counting to four lesson, students access an e-book at "I Save A Tree.com" where they count items up to four. They examine the text and images which can be seen in both Spanish and English.
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Analysing Scientific Explanations for Megafauna Extinction
Students compare explanations for Australian's megafauna extinctions and identify reasons for popular acceptance of certain scientific explanations. They debate and analyze scientific explanations.
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