Curated OER
Stem-and-Leaf Plots
Students are introduced to stem-and-leaf plots and calculating the mean, median, and mode from the plots.
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Rice (Gohan) Observations
Second graders investigate rice or gohan as it's called in Japan in a couple of experiments. They tally the results.
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Understanding Our Planet's Food Web
Sixth graders, in groups, examine how humans have a tenuous position as part of an ecosystem.
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Piggy Pockets
Second graders determine when estimates and exact totals are appropriate in dealing with money. They simulate keeping a checking account over a period of time and keep a checkbook ledger to record deposits and expenses.
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An American Spy with Money To Spend
Sixth graders use their imagination, math, reading, computer, geography, and social studies skills in this unique, innovative, and fun lesson where students pretend to be international spies!
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Opening the Case
Students participate in a class survey and then design an experiment and use graphs and statistics to assist them in solving a problem. They organize the results of the survey in a stem-and-leaf plot and find the range, median, mean, and...
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Float My Boat
Fourth graders, in groups, experiment with density and the displacement of water by creating and designing their own boats and seeing which boat holds the most centimeter cubes without sinking..
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Efficiency
Fourth graders work cooperatively to investigate the efficiency of various household appliances. They share their findings in three to five minute oral presentations.
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Chessboard Challenge
Second graders read "The King's Chessboard" by David Birch. The teacher reads the story aloud and pauses at several points for students to calculate the next number in a pattern of doubling.
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Mammoth Sunflower Problem
Students discuss the directions on a package of seeds. They open the package, count the seeds, and determine the planting requirements for the seeds.
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Angle Aerobics
Third graders review angle criteria and then stand. They demonstrate with their hands each type of angle called out by the teacher: right, acute, or obtuse. Music is added and students follow teacher in an angle aerobics class peppered...
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Chips Ahoy A Thousand Chips In Every Bag
Sixth graders determine whether Nabico's claim to sell 1000 chocolate chips in every 1 pound bag of Chips Ahoy! is true.
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The Five Senses
Study various objects and help kindergarteners use their five senses to classify the objects. They are presented with various objects and then use their five senses to sort and classify the objects. Then they use a Visual Ranking Tool to...
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Nutrients In Chesapeake Bay
Students perform pH and turbidity test to determine water quality. In this environmental science lesson, students analyze NASA database on chlorophyll-a in the bay. They explain how a small river area affects Chesapeake Bay.
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Circumscribed Polygons
Students investigate polygons and construct ferris wheels. In this geometry instructional activity, students create a circle and differentiate properties of circles and polygons. They compare the relationship between angles and...
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Weather: It Works, or Not?
Students discover the techniques meteorologists use to examine the atmosphere. In groups, they build their own weather station and observe the various weather conditions. They identify the types of weather patterns that allow the...
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Weather Watchers
Students practice using objective and quantitative means to describe and compare the weather. They compile weather conditions and create a spreadsheet to record their findings.
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The Night Sky
Third graders develop questions they have about the solar system. After being read a book, they view and discuss different constellations in the sky. In groups, they are given a piece of butcher paper and glow in the dark crayons in...
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Solving Intercepted Arcs
Students investigate circles and its arcs. In this geometry activity, students identify the relationship between an circle and its intercepted arcs. THey identify the central and inscribed angles.
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Food Intake and Physical Activity
Fourth graders graph their estimations of caloric intake and caloric expenditures.
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Patterns in the Sums of Polygon Angles
Sixth graders discover the patterns of sums of polygon angles. For this math lesson, 6th graders study the properties of geometric shapes to solve problems as they participate in hands-on activities.
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Inscribed Angles
Students calculate the inscribed angle of a triangle. In this geometry lesson, students identify the angle created by intersection of a triangle and a circle. They see the relationship between the arc and the angle.
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Scientist Are Like Detectives
Students demonstrate proper scientific observation skills. In this investigative science lesson, students make observations, record their findings and form conclusions in order to improve their scientific documentation and writing skills.