Curated OER
US Steel Gary Works: A Photographic Study
Students formulate historical questions about the circumstances surrounding a photograph about the Gary Steel Works factories. They differentiate between historical facts and interpretation. They create a newspaper article about each photo.
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Fraction King Lesson Plan
Students combine imagination, block manipulation, and computer applets to investigate fractions.
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Metrics in the Home and in the Store
Students investigate metric measurement. In this geometry lesson plan, students discover metric measurements of everyday objects as they compare them to US measurements.
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The Search for Housing Pagurus hirsutiusculus= hermit crab
Students collect snail shells, measure and record their lengths and if they are occupied by a hermit crab. They discover if their is a size difference between occupied and unoccupied shells.
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Addition Strategies: Compensation
In this math worksheet, students learn the addition strategy of compensation: adding an easy number like 10, 20 or 30 and then subtracting a very small number like 1 or 2. Students solve 12 problems on the page.
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Counting and Calculating
In this math worksheet, students follow the basic activities that are shown in the planning guide written for the teacher. The plan is written in the form of a unit.
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Clock Arithmetic and Cryptography
High schoolers investigate modular clock arithmetic and cryptography. They perform basic operations in modular (clock) arithmetic and encode and decode messages using simple shift and affine ciphers.
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The U.S. Census
For this U.S. Census Worksheet, students read a passage regarding the U.S. Census and answer the following 10 multiple choice questions.
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Writing Numbers in Word Form
Learners write numbers in word form. In this writing numbers in word form lesson, students are shown examples of numbers written out in word form. Then they independently complete a 20-problem worksheet.
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Jelly Belly: What a Wonderful "Bean"!
Students explore how jelly beans are produced. They discuss the origins of the jelly bean and view a video about how jelly beans are prepared, tested, shaped, finished, and shipped and estimate the amount of jelly beans in a jar and sort...
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Understanding Place Value
Fifth graders study place value. After forming teams, they play a game called, "Who Can Line Up the Number." Students observe numbers in expanded form and place representative digits in the correct order.
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What In The World Would You Have?
Students calculate value of money in other countries, and explore how the economy affects the rate of exchange.
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Salt and Water Divorce by a Physical Change
Students discuss the definitions of physical and chemical properties and changes. They vaporize a solution of salt and water, observing the sodium chloride that is left behind.