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Curated OER
Answer to May 2007 Problem High Schools in Fort Collins
In this Pascal's Triangle worksheet, high schoolers find the number of routes between schools. The worked out solution is linked to the problem.
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Lines In Geometry
Students define important vocabulary words using a dictionary. In this geometry lesson, students identify and use properties of triangles to solve problems. They identify the median. altitude and angles as well as properties of...
Beacon Learning Center
Angles and Algebra
Middle schoolers calculate angle measure for triangles and complementary/supplementary angles. After a lecture/demo, students utilize a worksheet imbedded in this plan to gain practice.
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Pythagorean Theorem for Algebra I
In this Pythagorean theorem for algebra I instructional activity, students answer 10 problems finding the missing side of a right triangle using the Pythagorean theorem.
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The Pythagorean Theorem Lesson 2
Learners discuss and review examples of the Pythagorean Theorem using a GSP, Geometer's Sketchpad, activity.
Lone Star College
Geometry Worksheet II
Young geometers get practice with the algebra of angles in an extensive skills practice instructional activity. Supplementary, complementary, and vertical angle relationships are used, along with parallel lines cut by a transversal...
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Studying Special Segments in Triangles
Students investigate special segments in triangles. For this geometry lesson, students graph, compare, estimate and predict findings based on their data. They differentiate between similarity and congruence of triangles.
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Side Splitter Triangles
Students investigate the side splitter theorem. In this geometry lesson, students estimate and solve problems dealing with ratios and proportions. They identify angles created by lines that are parallel.
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How are Trig Ratios Used to Measure Triangle Sides
Students identify the ratios of trig identities. In this geometry lesson, students solve the missing sides and angles of triangles using trig ratios. They relate the graphs and waves to real life scenarios.
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Extra Practice 44: Solving Problems Using Quadratic Equations
In this quadratic worksheet, students read short stories, write quadratic equations and use their problem solving skills to solve the equation. Students use the Pythagorean Theorem to find the length of a diagonal, dimensions of a...
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Triangle Exterior Angles Theorem
Pupils identify the measure of missing exterior angles. In this geometry lesson,students define and apply the exterior angle theorem to solve problems. They use Cabri software to create different angles and make investigations.
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Pascal's Triangle
Students study Pascal's triangle. They construct their own version of Pascal's triangle, and relate some of the uses for it. While working through this process, students practice their integer multiplication and division skills.
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Applications and Problem Solving Using Quadratic Equations
In this math worksheet, students apply solving quadratic equations using word problems. They pay special attention to the units of measurement.
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Solving Problems Using Quadratic Equations
In this math worksheet, students solve the problems using quadratic equations for each word problem. The example is used for reference.
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Trigonometric Ratios
In this trigonometric ratios worksheet, 10th graders solve 9 different problems that include determining the trigonometric ratios of each triangle. First, they determine the sides and angles of a right triangle that is shown in each...
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Review Geometry - Week 8: (Triangles)
In this triangle worksheet, students determine the length of the sides of a triangle, perpendicular lines, and the area of triangles. This two-page worksheet contains eight problems.
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Proofs
In this proofs worksheet, 10th graders solve and graph 8 different equations. First, they prove that each triangle is either congruent or similar. Then, students use the concept of corresponding parts of congruent triangles to solve each...
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Cosine
For this cosine worksheet, 10th graders solve 10 different problems that include various measures of angles. They determine the value of x in each problem using the cosine of the given angle. Then, students substitute the answer they...
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Triangle Products and Square Sums
In this math puzzle worksheet, learners solve 4 math puzzles that require them to use their multiplication and division skills.
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Problem Solving: The Coordinate Plane
In this coordinate plane instructional activity, students solve 6 word problems, finding x coordinates, ordered pairs, lengths, plot points and height and width of shapes.
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Unit Circle and Triangle
Learners 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.
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Solving Problems - Writing Equations
In this solving problems worksheet, students read short word statements, translate them into an algebraic equation, and solve the problem. Twelve problems are listed on this one-page worksheet.
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Classifying Triangles
In this classifying triangles worksheet, 10th graders solve and complete 11 different types of problems. First, they state whether each segment shown is an altitude, median, or neither. Then, students solve for x and find the requested...
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Parts of Similar Triangles
In this parts of similar triangles learning exercise, 10th graders solve and complete 15 different statements related to naming the parts found in similar triangles. First, they identify each definition stated that describes an everyday...