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Intro to Trigonometry
After being introduced to the basic trigonometry functions, students calculate the height of school landmarks. They experiment with different angles to find the correct height.
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Triangles
In this triangles worksheet, 10th graders solve 10 different problems that include determining the measurement of various angles. First, they determine the area of a triangle illustrated on the sheet. Then, students use the picture to...
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Concurrent Lines in Triangles
Students explore the concept of concurrent lines in triangles. In this concurrent lines in triangles lesson, students work in groups to investigate properties of concurrent lines in acute, right, and obtuse triangles. Students use a...
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Thirsty for A Liter or Milliliter?
Second graders work with liters and milliliters for measurement.
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Amazing Consistent Ratios
Learners derive the six trigonometric identities. For this trigonometry lesson, students find the ratios of sine, cosine and tangent using the right triangle. They use properties of the Pythagorean Theorem to find the trig identities.
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Identify Triangles
In thins triangles review worksheet, learners examine 3 triangles and their measurements. Students classify them as acute, right, obtuse, equilateral, isosceles, or scalene.
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Quadrilaterals and Other Polygons: Homework
In this polygons worksheet, learners classify each polygon in as many ways as possible. Students then write polygon or not a polygon to classify each figure and find the measure of the missing angles. Learners finish with one word problem.
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Pythagorean Theorem
Students investigate the properties and idea of the Pythagorean Theorem. In this algebra lesson, students identify the different parts of a right triangle and relate it to the Pythagorean Theorem. They do a robotic experiment to...
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Unit 9 Trigonometry
In this trigonometry worksheet, learners find the lengths of triangles. They construct triangles and spirals. Students complete indirect measurement problems. They find the distance between objects and determine the volume of rectangular...
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Triangle Inequalities
In this geometry worksheet, students use the inequality theorem to figure out if three segments will make a triangle. They are given the measures of two segments and must figure out the third segment on their own. There are 20 questions.
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Geometry In the Yard
Students are responsible for creating a border around a triangular garden spot, of which they know the measurements for two sides. They use the Pythagorean Theorem to calculate the third side and complete the garden.
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Drawing Regular Polygons
Learners investigate properties of regular polygons. In this geometry lesson plan, your class will use a graphing calculator and parametric equations to construct regular polygons and investigate the relationship between the measure of...
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Worksheet 23 - Fall 1995
In this math activity, students examine the measurements of a Pizza Hut box. Then they draw out the box and answer questions about its volume.
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The Sine and Cosine Ratios
In this geometry worksheet, 10th graders write the ratio that represents the sine and cosine of the indicated angle. The one page worksheet contains two multiple choice questions. Answers are included.
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Investigating Scale Factors with the Geometer's Sketchpad
Students use Geometer's Sketchpad to examine the scale factor when in is applied to the length of a figure's sides. They look at how the scale factor affects the side lengths, perimeter, and area of the figure that result. They work with...
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Ten Multiple Choice Length Problems
In this distance worksheet, students calculate the lengths of sides and diagonals of figures. Students also compute lengths in shadow problems. The solutions are provided by clicking on the "show answers" tab at the bottom of...
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Got Milk?
Learners measure the angles of a milk carton. They identify and label acute, right, and obtuse angles. Using appropriate tools, students determine the volume of a cube or a rectangular prism. Learners complete worksheets to...
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Triangle Explorer
Students compute the area of triangles in a computer program. In this measurement lesson plan, students complete 5 easy, 5 medium, and 5 hard problems.
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Astronomy With a Stick
Students find the altitude of the Sun at 10 A.M., at solar noon, and at 2 P.M. by measuring the height of the gnomon and the length of the shadow at each time. They record the measurements in their notebooks for later conversion.
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Perimeter and Area of 2D Shapes
Students find the perimeter and area of circles, triangles, and rectangles. In this perimeter and area lesson plan, the teacher gives students formulas for each shape and measurement and works through examples on the board. While no...
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Investigating the Idea of Tan
Fifth graders use tan to solve problems involving right-angled triangles. They solve equations of the form tan(8) =a, for a between 180 degrees and 360 degrees. They state the value of tan (8) in special cases.
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Summer Term Math Assessment
In this math worksheet, students assess their math skills by completing a comprehensive worksheet covering ordering and comparing numbers, place value, fractions, basic operations, word problems, geometry, time and measurement. On the...
Pennsylvania Department of Education
Introducing the Coordinate Plane
Fifth graders practice using estimation. In this estimation lesson, 5th graders add, subtract, multiple, and divide using whole numbers, fractions, and decimals. Students decide upon instances when estimation is more appropriate than...
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Using Trigonometry
Fifth graders explore the use of trigonometry to find unknown sides and angles in right-angled triangles, taking the concepts that were developed in the previous unit and looking at different ways of practicing the new skills. Students...