Curated OER
Ratios
Students explore the concept of ratios. For this ratios lesson, students use matchbox cars and models of spaceships to explore ratios. Students determine scale for the above mentioned objects in this lecture style lesson.
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How Tall Is That Flag Pole?
Students examine various triangles and discuss how similar triangles have sides that are proportional. They utilize an ancient Egyptian method to determine the height of a flagpole.
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Reading Trees: Understanding Dendrochronology
Pupils examine tree-ring dating and discuss the lack of water the settlers in Jamestown faced. They create paper tree rings, simulate rain patterns, and describe the history of construction paper tree sequences.
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Calculations
In this calculations instructional activity, students express numbers in scientific notation and determine the number of significant figures. Students find conversion factors to change units. This instructional activity has 8 word problems.
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Sea Ice: Cracking the Egg Code
Students study the egg code to learn about sea ice. For this sea ice lesson, students discuss and view a diagram to learn about the egg code when describing sea ice and its thickness. Students work in groups to play a game using the egg...
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Perimeter
Fifth graders create math word problems. For this geometry lesson, 5th graders define perimeter and discover how to find the perimeter of a rectangle, a square and a regular polygon. Students write word problems on finding the perimeter,...
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Understanding Celsius
Student read both Celsius and Fahrenheit temperatures on thermometers. They covert the temperatures and write poems to show understanding.
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Chemical or Physical?
Fourth graders make observations of the reactions that happens between calcium carbonate and various liquids. During the experiment the students determine if there is a chemical change, a physical reaction, or no reaction when they mix...
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Create a Full-Scale Layout of the International Space Station
Students work together to convert scale dimensions to determine the true size of the International Space Station. They create a full-scale outline of the station. They share their layout with the class.
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Earthquake Machine
Students explore plate tectonics by conducting a class experiment. In this earthquake lesson plan, students utilize scrap wood, sandpaper, rubber bands and a sanding belt to create a model earthquake experiment which shakes a nearby...
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Data Days
Sixth graders practice collecting, organizing and displaying data. They create circle, bar, line and picto graphs. They analyze data in small and large sample groups.