Curated OER
Inscribed Angles
Students analyze inscribed angles and intercepted arcs and explore the relationships between the two. They investigate the properties of angles, arcs, chords, tangents, and secants to solve problems involving circles.
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A Funny Thing Happened on the Way to the Mill
Pupils participate in a simulation of wool trading in the 1800's. They pass around a ball of yarn at various stations to simulate the interdependence of each stage of the wool trade, discuss what happens when there is a problem in the...
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A thousand seconds
Young scholars use seconds, minutes, and hours. They then discuss the size of a thousand. After that they read time in digital or analogue form.
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Home on the Range
Middle schoolers use maps and mathematics to determine the appropriate panther population in a given area. In this Florida ecology lesson, students research the area requirements of male and female panther and use a map to help calculate...
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Linking Algebra to Temperature
Students convert between two units as they calculate the temperature. In this algebra lesson, students collect data on seasonal climate and create a graph. They make conjectures based on their data collection.
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How Can You See Which Soda Has More Sugar?
Sixth graders weigh regular and diet soda to see which one is heavier and therefore which one contains more sugar. In this soda lesson plan, 6th graders discover that regular soda contains more sugar because it weighs more.
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Calculating Areas for the Caged Animals At Miami Metrozoo
Seventh graders calculate the area of certain cages at the Miami Metrozoo after observing a teacher demonstration.
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Calculating the shortest distance between two points
Eighth graders find the length of the third side of a right triangle.
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How Tall in the Fall?
First graders use nonstandard measurement to measure. After reading Inch by Inch, 1st graders pair measure leaves that they have collected. They glue their leaves onto tag board to make a display.
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Count the Squares and Compare
Fourth graders construct squares and rectanges in order to help them find areas and perimeters. They gain an understanding of area and perimeter through teacher modeling and then they construct squares and rectangles.
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House Dimensions
Fourth graders measure the perimeters of several different rooms. They convert the measurements using ratios that allow them to draw the rooms to scale on paper. They draw the dimensions of a house to scale. They measure length to the...
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Converting Metric Units and Prefixes
Young scholars investigate the length of various objects. In this measurement lesson, students convert one metric unit to another. They explain the importance of a uniform system of measurement.
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Human Evolution
Students make and use observations of Laetoli footprints to provide clues to life in the past. They collect and analyze data to study the relationship between foot length and body height.
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Shadow Chasing
First graders observe and measure their shadows. They go outside at three hour increments during the course of a day. Each time students measure and record the length of their shadows. Students read books about shadows and discuss why...
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Calculate It
Fourth graders find the area and perimeters of squares and rectangles using a calculator to check their multiplication. They use the appropriate formulas to find the area and perimeter of the given geometric shapes.
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Paper Packaging Design
Middle schoolers discuss the relationship between technology and manufacturing. They then use their ideas to construct a model of a paper board carton package. Next they view a PowerPoint presentation to learn about the history of...
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Capturing the Wind
Students collect and analyze data about wind speed. They build a Lego wind sail and measure the wind speed with a rotation sensor. They use software to analyze the data.
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Wood Identification Based on Density
Eighth graders measure irregular and regular shaped solids. In this investigative lesson students calculator volume, mass and density of wood and blocks.
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Tangram Perimeters
Middle schoolers work together to make figures out of tangram squares. In groups, they calculate the measurements they need and apply the Pythagorean Theorem. They complete a worksheet solving equations using the theorem and review their...
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A Seed Grows
Second graders begin the lesson by planting their own bean seed. Individually, they make predictions about how many leaves and roots their plant might grow and each day record their observations. They graph the results of the length of...
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Metric Mania
Students observe how to measure in metric units. In this investigative lesson students compare different units of volume to see how things are measured.
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Time and Differences in Time #1
In this telling time worksheet, students write times and differences in time for pairs of clocks. One problem is done as an example. Page contains links to answers and additional worksheets.
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Time and Differences in Time #3
In this telling time instructional activity, students write the times and differences in times for pairs of clocks. Page contains links to answers and additional worksheets.