Curated OER
Properties of the Centers of a Triangle
High schoolers investigate properties of the four centers of a triangle and explore a special property of the circumcenter and orthocenter of a triangle. This lesson requires the use of Cabri, Jr.
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The Outer Planets
In this planets worksheet, students research the diameters and sizes of the planets. Then student will create scale model sizes of the planets out of cookie dough. Students complete 5 short answer questions.
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Standardized Geometry Test Practice
In this angles, lines and figures review worksheet, 10th graders solve and complete 33 standardized multiple choice problems. First, they use the Segment Addition Postulate to solve for a variable given an equation for each line. Then,...
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Similar Polygons
In this similar polygons worksheet, 10th graders solve and complete 20 various types of problems. First, they solve each proportion. Then, students write a ratio expressing the slope of a line through each pair of points. In addition,...
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Details from an Exploding Star
In this nebula worksheet, students read about the Crab Nebula and calculate the average speed of the expanding gas. They determine the size of the smallest clumps of gas and they draw the diameter of the solar system to scale.
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Which One Could Make This Shape?
Explore two and three-dimensional shapes. Learners first examine three 2-D shapes and determine which of three 3-D figures could have made that shape. The wording here is a bit confusing; make sure your kids understand what it is asking....
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How Long is a Slinky?
Young scholars take part in a variety of measurement tasks. Students measure the length of a slinky. Young scholars work out how many slices of tomato will fit around the edge of a pizza. Students measure the label from a can accurately.
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Learning the "REAL" Phe Content of Foods
In this portion size worksheet, students estimate the portion size, weight and amount of phe for 8 different foods before weighing each food in grams. Students answer 10 essay questions about nutrition and portion size. This worksheet is...
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Why are Bubbles Spheres
Students calculate the surface area of different polygons. In this geometry lesson, students practice calculating the volume of spheres. They work with cones, cylinders and rectangular prisms.
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Triangles with Collinear Circumcenters
Students identify the circumcenter of a triangle. In this geometry lesson, students construct a perpendicular bisector using a straight edge and a compass. They differentiate between triangles and collinear points.
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The Acoustics House
Students study how drums produce sound by building and playing a simple drum. They measure the diameter of their can, then mark a circle two inches larger in diameter on their piece of plastic with the marker or chalk, and cut out the...
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Troublesome Towers
Students observe solids and identify parts that make up the surface area. For this geometry lesson, students calculate the surface are of solids and cones. They find polygons and solids in the real world.
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Inscribed Angles and Arcs
In this inscribed angles and arcs worksheet, 10th graders solve and complete 21 various types of problems. First, they find the measure of each inscribed angle. Then, students find the measure of each angle or arc in a circle with the...
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Congressional Travel
Students determine the distances traveled by the members of the legislative branch of the US Government. In this travel distance lesson, students locate Washington, DC on a globe using the longitude and latitude of the city. They...
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Metrics 1 Word Search Puzzle
In this metrics worksheet, student define, study, review and discuss ten key terms associated with measurement. Students circle each key term in a word search puzzle.
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Compare Weight
For this comparing weight word problem worksheet, students use logical reasoning to determine which objects are heavier or heaviest. Students solve six problems.
Curriculum Corner
Area and Perimeter
Get third graders excited to work find area and perimeter of unit squares, rectangles, and irregular shapes. A 36-page packet comes with task cards, graphic organizers, practice worksheets, printables with squares, exit tickets, and word...
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Metric Mania Worksheet
In this metric worksheet, students complete 28 different metric calculations consisting of density, volume, mass, length, temperature, and time.
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Initial Fraction Ideas Lesson 17: Overview
Learners use chips to represent units to show examples and non examples of fractions. For this fraction lesson plan, students show what chips can be used for different fraction scenarios.
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My Science Box
Students investigate snails and their physical and behavioral characteristics. In this investigative lesson students create a pie chart to show the results of their findings.
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Using Math Concepts to Collect and Document Specimens
Students determine the length and width of leaf samples to the nearest millimeter and the circumference of trees. They participate in a discussion about the importance of collecting specimens carefully. They compile accurate...
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Circumference of a Pumpkin
Fourth graders watch a video and find the circumference of a pumpkin. In this circumference lesson, 4th graders watch a video to help them find the circumference of their pumpkins. Students define the word circumference on their data...
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Finding The Circumference Given The Radius
Students develop an understanding of pi and the relationship between the diameter, radius and circumference. After a lecture/demo, students use construction paper and a compass to solve problems using diameter, radius and circumference.
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Dealing With Data
Students collect, organize, and display data using a bar graph, line graph, pie graph, or picture graph. They write a summary describing the data represented and compare the graph to another graph in the class.