Curated OER
Coordinate Proofs
Students explore the concept of coordinate proofs. In this coordinate proofs lesson plan, students write coordinate proofs using properties of distance, slope, and midpoint. Students discuss why it is sometimes beneficial to double the...
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Hexagoning the Circle
Students explore similarity to see that the area of a circle should be a constant times the square of its radius. Students create a hexagon. Students share their designs with the class.
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Unit Perimeters and Areas
Students use Geometers SketchPad to find the area and perimeter of several shapes. In this geometry instructional activity, students determine area of rectangles and progress through irregular polygons. None of the referenced worksheets...
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Optional Laboratory: Measuring Tree Heights
Students work together to measure tree heights. They make predictions on what they believe the calculations are and answer questions during the experiment. They share their results with the class.
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Gridding a 2 x 2 Meter Unit
Middle schoolers use the internet to examine what happens at an archeological dig site. In groups, they practice measuring a 2x2 meter square unit and gridding it out as an archeologist would do. They review the possible solutions at the...
Illustrative Mathematics
Downhill
A car traveling down a steep hill is the model for this resource. The confusion comes when the elevation, E, is given in terms of distance, d. The distance, d, is the horizontal distance from E. Therefore, the equation, E = 7500 – 250d,...
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The Math of Science-Squares and Square Roots
For this squares and square roots worksheet, students practice finding the squares of numbers and the square roots of numbers given word problems.
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HD TV Problem
In this algebra worksheet, students calculate the viewing area of each TV. They calculate the horizontal and vertical lengths. There is an answer key with this word problem.
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Kinematics Along with Work/Energy
In this kinematics, work and energy worksheet, students solve 16 problems given a diagram of a moving ball that has been launched. Kids find the trajectory of the ball, the velocity of the ball and its potential and kinetic energy at...
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Pike's Peak Problem
In this algebra worksheet, students answer a word problem about a distance-rate multiplied by times problem. They discuss slope and altitude. There is an answer key with this problem.
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Equation of a Circle
Students write the equation of a circle. In this geometry instructional activity, students check the solution of a coordinate pair by evaluating them. They graph the circle given the equation and radius.
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Shape Tool
Young scholars explore various polygons and examine how shapes can be manipulated in a variety of ways. In this shape tool lesson, students identify geometric shapes in two dimensions. Young scholars identify and draw one line of...
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Mystify with the Mathematics of Ancient Egypt
Hieroglyphics, surveying, and the pyramids may all be explored with mathematics.
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NY State Testing Program
In this math exam worksheet, 8th graders review geometric and algebraic concept including angles, polygons, equations, factoring and addition and subtraction, quadrilaterals, trig and circles. They take a comprehensive exam covering...
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Determine the Measure of an Angle of a Right Triangle.
In this geometry worksheet, students solve word problems by finding the values of missing angles and missing sides of triangles. They review their trigonometric properties of a right triangle. There are 9 problems with an answer key.
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Calculating the Shortest Distance Between Two Points
Ninth graders calculate the distance between two points.
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Vectors Via the Calculator
Eighth graders resolve vector problems without the knowledge of math. In this vectors lesson students with poor math skills get a chance of passing the course.
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Chapter 6: Geometry Perimeter and Area
In this perimeter and area learning exercise, students find the perimeter of various polygons. They compute the perimeter, surface area, circumference, and volume of given figures. Students explore trigonometric ratios. This...
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Hyperbolas
In this algebra worksheet, learners identify the graphs of hyperbolas. They find the center and directrix. There are 10 questions.
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New York State Testing Program-Grade 8
In this eight grade worksheet, 8th graders assess their knowledge of the core material from their subject matter. The twenty page worksheet contains twelve problems. Answers are not provided.
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New York State Testing Program-Grade 8
In this eighth grade activity, 8th graders solve problems that represent the grade level expectations for mathematics in New York State. The twenty-four page activity contains sixteen free response questions. Answers are not provided.
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New York State Testing Program Math Release questions grade 8
For this algebra and geometry worksheet, students solve seven varying math problems. This worksheet will help prepare students for standardized tests covering algebra and geometry.
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Quiz: Area of Polygons and Circles
In this area worksheet, learners compute the area of each of ten specified shapes. Seven of the shapes are quadrilaterals, one is a circle, and two shapes are triangles.
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New York State Testing Program Grade 8 Mathematics Test
In this eighth grade mathematics worksheet, 8th graders are presented with questions indicative of those on the eighth grade mathematics examination. The twelve page worksheet contains six free response questions that cover a variety of...