Curated OER
Fractions and Percentages extra exercises 4.1
In this working with fraction and percentage activity, students complete fractions, write fractions in simplest form, write fractions in order of size, calculate fractions of whole numbers, solve word problems, add and subtract...
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Parachutes: Is it Surface Area or Shape?
Students investigate how to make a good parachute. In this physics lesson, students observe the motion of parachutes as it falls and measure the time. They collect data and calculate the average descent time for each canopy shape.
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Classroom Triangles
Students use bearing measurements to triangulate and determine objects' locations. Working in teams of two or three, students must put on their investigative hats as they take bearing measurements to specified landmarks in their...
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Pythagoras' Theorem
In this triangles learning exercise, students solve 40 problems in which Pythagoras' theorem is used to check if a triangle is right-angled. This page is intended for online use but may be completed on paper.
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Distance Formula
Students create ways to find the number of square miles that lie in a triangle having vertices at A, B, and C. They compute the distance between two points and use Heron's formula to find the area of the triangle. Finally, students...
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Pythagorean Theorem
Students solve problems using the Pythagorean Theorem. For this geometry lesson,students identify the right angle, hypotenuse and legs of a right triangle. They find the missing sides using the ratios of the Pythagorean theorem.
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Maximum and Minimum Points
In this maximum and minimum points worksheet, students solve and complete 12 various types of problems. First, they find the area of the smallest triangle given the point of intersection. Then, students find the volume of a box that has...
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The Baby Gate Problem
In this secondary mathematics worksheet, learners expand a six-panel play yard by two-panels Students determine the width of each panel and the area of the expansion. The one page worksheet contains one problem with the...
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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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The Edge of Home
Students explain why some species of plants and animals occur in more than one area. They watch as the teacher puts an overlapping circles on the chalkboard, students are asked to predict what kinds of things they would expect to find in...
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Trigonometry Worksheet
In this trigonometry worksheet, learners use the law of sines to find the length of a missing side of a triangle. They prove trigonometric identity and use Heron's formula to find the area of a triangle. This two-page worksheet...
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The Centroid : Balancing the History
Students discover the centroid of a triangle based on Euclid's constructions. They explore locus of points of a median. They understand properties of the segments that form the median and areas of the smaller sections formed by the median.
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Geometry and Measurement
Students view a right triangle displayed by the teacher. Students measure legs and the interior angles of the triangle. They look for a pattern or relationship between the legs and angles. Students use pegboards and string to create more...
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Pythagorean Theorem and Problem Solving
Students use the Pythagorean Theorem to solve problems. In this geometry lesson plan, students identify the properties of a right triangle. They find the missing side and angles of a right triangle.
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Linear/Planar Geometry - Week 5
In this plane geometry worksheet, students combine the basis of plane geometry and linear problems to solve problems. They determine total surface area, the length of a line, and the sum of the edges of a three-dimensional figure. This...
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Unit 7: Mensuration Mental Tests
In this mental math activity, students calculate area, volume, perimeter, and convert units in two mental math tests of ten problems each.
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Geometry w/o Figures - Week 7 (Basic Geometry Formulas)
In this basic geometry worksheet, students use basic formulas of geometry to find the area of a polygons, the number of sides of a polygon, and sum of the angles of various polygons. This three-page worksheet contains eight problems.
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Pythagorean Theorem Practice
In this geometry skills worksheets, young scholars examine 10 triangles and use the Pythagorean theorem to identity the lengths of the missing units.
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Using the Pythagorean Theorem-4
In this using the Pythagorean Theorem-4 worksheet, students read the theorem and use it to find the missing side in ten right triangles.
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Using the Pythagorean Theorem
In this using the Pythagorean Theorem worksheet, students find the length of the missing side for ten right triangles using the Pythagorean Theorem.
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Care Homework #1: Real Numbers
In this care homework worksheet, students add, subtract, multiply and divide numbers with decimals. They solve problems involving mixed numbers. Students find the area and perimeter of triangles and rectangles. This...
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Introduction to Fractals: Geometric Fractals
Students explore the concept of fractals. For this fractals lesson, students discuss Sierpinski's Triangle using an applet. Students discuss the patterns involved with fractals. Students discuss the area of Sierpinski's triangle as the...
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Pythagorean Triple
Students investigate the properties of the Pythagorean Theorem. In this geometry lesson, students identify the missing angles and sides of a right triangle. They label the hypotenuse and legs of a right triangle correctly.
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Origami Cube
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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