Curated OER
Constructions and Angles
In this triangle constructing and classifying worksheet, students read through a tutorial on triangles and angles. Then, students complete 17 exercises in which they answer questions about angles and triangles. By clicking on the "Check"...
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Pythagorean Theorem
Students identify a right angle and right triangle. They perform WebQuests searching for similar figures and solve for the length of one of the sides given the other two.
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Tessellations
In this tessellations worksheet, 10th graders solve 6 different types of tessellation problems that includes drawing. First, they define polygon, regular polygon, tessellation, regular tessellation, and semi-regular tessellation. Then,...
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Pythagorean Theorem
Young scholars are introduced to the Pythagorean theorem. They use three different activities that give students the opportuntiy to observe triangles, and use the Pythagorean theorem and practice different ways of determining areas of...
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Pythagorean Theorem Worksheet
In this online math worksheet, students use the Pythagorean Theorem to determine if given triangles are "right" triangles. This excellent resource allows the students to check their answers, and to get "hints" should they run into...
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Pythagorean Theorem
Students investigate the concept of the Pythagorean Theorem. After conducting independent practice to find the hypotenuse of a triangle, they work with the teacher using examples in the lesson plan. The direct instruction is delivered...
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Applications, Proportions, and Problem Solving
For this math worksheet, students find the solutions to the problems involving proportions. They also compare the similar triangles.
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Area
In this area activity, 10th graders solve 7 various types of problems by finding the area of various shapes in geometry. First, they determine what happens to the area and perimeter of a rectangle when the length and width are doubled....
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Interior and Exterior Angles
In this interior and exterior angles worksheet, 10th graders solve 10 different problems that include determining the interior and exterior of various triangles. They determine the measure of an exterior angle and then they determining...
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Functions
In this functions worksheet, 10th graders solve and complete 6 different types of problems. First, they find the largest value of a given function. Then, students determine the values of the constants a, b, c, dso that the curve is a...
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Delta, Delta, Delta
Learners construct equilateral triangles and a 'laser' triangle. In this reflection lesson students build a retro-reflector using mirrors.
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Transformations: Rotation
In this rotations worksheet, 10th graders solve and complete 10 different problems that include measuring various types of transformations of geometry. First, they determine the measure of an angle between two pointers. Then, students...
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Algebraic Equations
In this algebraic equations worksheet, students solve 9 different problems that include various types of equations used on the sheet. First, they determine the solution of a given inequality. Then, students write the greatest common...
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Identify Angles: Obtuse, Right, Straight and Acute
In this triangle worksheet, learners identify angles as either obtuse, right, straight or acute. A reference web site is given for additional activities.
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Nets And Surface Area
Upper graders investigate how to find the surface area when using two-dimensional shapes. They conduct an investigation in groups while working sample problems given during class discussion with the teacher. They also review how to...
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Triangles, Triangles, Triangles
Students view several different types of triangles. They discuss attributes of a triangle with a partner. Students use a straw cut into pieces to create a triangle. They complete a Triangle Hunt worksheet (teacher created). Students...
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Algebra Using Proportions
In this algebra using proportions worksheet, 10th graders solve 14 various types of problems by applying algebra methods to geometry. First, they solve each of 8 proportions using cross products. Then, students use the triangle shown and...
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Math Leagues Contest 1
In this basic algebra activity, 8th graders solve and complete 6 different types of algebra problems as described in each box. First, they determine the value of a set of numbers with one pair of positive integers. Then, students...
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Transforming Triangles
Sixth graders examine how to graph translations (slides) and reflections (flips) on a coordinate plane. They practice the slides and flips kinesthetically and apply it to a worksheet working with triangles.
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Personal Body Types
Students are introduced to the four main body types. Individually, they label their own body type and disover which styles would be most flattering to their figure. To end the instructional activity, they design an outfit for...
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Identify Triangles: Acute, Right, Obtuse, Straight
In this triangles worksheet, learners draw angles with given measurements and identify each as either acute, right, obtuse or straight. A reference web site is given for additional activities.
PBS
Terrific Trees
Engage in a shady activity to practice measurement techniques. Classes venture outside to collect measurements of various trees, using different strategies to measure the height, trunk circumference, width, and crown size. Then they...
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Triginometry: Find the Unknown Side
In this Trigonometry worksheet, students use the Pythagorean theorem to calculate the length of side x. There are 5 questions to solve and submit.
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Classifying Triangles
In this classifying triangles learning exercise, 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...
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