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Assessment
Concord Consortium

Short Pappus

For Students 9th - 12th Standards
It's all Greek to me. Scholars work a task that Greeks first formulated for an ancient math challenge. Provided with an angle and a point inside the angle, scholars develop conjectures about what is true about the shortest line segment...
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Lesson Plan
Curated OER

Primary Understanding and Use of Place Value

For Teachers 3rd - 4th
Explore place value and regrouping with your class. They develop awareness of several ancient number systems and how they differ from the base ten system commonly used today. They play "Chip Trading" with partners to practice addition...
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Activity
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Illustrative Mathematics

Converse of the Pythagorean Theorem

For Teachers 7th - 9th Standards
Use the given tasks and detailed teacher's commentary to introduce your 8th graders to the Pythagorean theorem and its converse. Embedded links to information about Egyptian geometry make your presentation interesting. Consider giving...
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Lesson Plan
Curated OER

Egyptian Fractions

For Teachers 5th Standards
You don't have to be an ancient Egyptian to decipher fractions in this activity that focuses on adding fractions with unlike denominators and developing fraction number sense. Egyptians represented fractions differently than we do. They...
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App
Little White Bear Studios

TanZen - Relaxing Tangram Puzzles

For Students 3rd - 12th
An ancient puzzle game meets a modern implementation. Challenge mathematicians of all ages with this mind-bending geometric puzzle game. 
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Lesson Plan
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Curated OER

Accurately Weighing Pennies I

For Teachers 9th - 12th Standards
Drawing from a scenario of the history of the penny, learners write and solve a system of linear equations from a context.
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Lesson Plan
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Curated OER

Accurately Weighing Pennies II

For Teachers 9th - 12th Standards
Drawing from a scenario of the history of the penny, learners write and solve a system of linear equations from a context.
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Lesson Plan
Curated OER

Snail Invasion

For Teachers 9th - 12th Standards
Exponential growth is modeled by learners as they analyze and interpret the data presented in this real-life scenario centered on the destructive invasion of the Giant African Land Snail. Learners get a touch of history and practice...
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Lesson Plan
Mathematics Assessment Project

Discovering the Pythagorean Theorem

For Teachers 8th Standards
Young mathematicians join the ancient order of the Pythagoreans by completing an assessment task that asks them to find the area of tilted squares on dot paper. They then look at patterns in the squares to develop the Pythagorean Theorem.
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Interactive
CK-12 Foundation

Understand and Create Histograms: Car Sales

For Students 6th - 10th Standards
Create a history of car sales. Pupils create a histogram/bar graph to show the number of car sales made during the week. Using the data display, learners calculate numerical summaries of the data and find the percent of cars sold during...
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Lesson Plan
Alabama Learning Exchange

What You Know About the Bermuda Triangle?

For Teachers 9th - 12th Standards
Get lost in the classifications. Using the backdrop of the Bermuda Triangle, pupils classify it by angle and side measures. They also learn information about the triangle and its history.
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Performance
Radford University

Kite Project

For Teachers 7th - 12th Standards
Let the class' knowledge of geometry soar like the kites they create. After researching the history and science of kites, learners draw up a blueprint for their own kites. They then calculate the areas and perimeters based on the scale...
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Lesson Plan
Curated OER

Pre History through Modern Day Timeline

For Teachers 5th - 12th
Young scholars explore the historical sequence of cultures throughout history. They demonstrate the ability to organize events in chronological order and demonstrate how time is measured and annotated.
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Lesson Plan
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Curated OER

Women's History Week

For Teachers 4th - 5th
Students investigate the contributions of women who influenced human rights in US history. They examine the influence Susan B. Anthony, Harriet Tubman, Sojourner Truth and Elizabeth Cady Stanton by participating in a jigsaw activity....
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Lesson Plan
Curated OER

Disease & Epidemics: Architects of History

For Teachers 9th - 10th
Students explore disease and its relationship to history and literature. They investigate issues that range from early biological warfare and historical disease treatments, to observing today's race for the cure against current emerging...
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Lesson Plan
Curated OER

Counting with Place Value, with the Abacus

For Teachers 3rd - 6th
Learners study an abacus while counting marathon runners.  In this place value lesson plan, students watch a video segment on how counters keep track of marathon runners to reinforce the idea of place value.  
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Worksheet
Curated OER

Newton's Law of Cooling

For Students Higher Ed
In this Newton's Law of Cooling worksheet, students complete an essay format write up of a convection model. They write the purpose and assumptions of their lab. Students complete three rate of change problems. They describe a model in...
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Worksheet
Curated OER

Introduction to Mathematical Modeling

For Students Higher Ed
In this mathematical modeling worksheet, students answer two essay questions. They describe Newton's Law of Cooling by describing and constructing a model and answering seven essay questions about the process.
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Worksheet
Curated OER

Euler's Method

For Students 12th - Higher Ed
In this calculus worksheet, students answer 14 short-answer questions regarding Euler's Method, rate equations, initial conditions, and slope functions.
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Organizer
Curated OER

Decimals, Percent and Scientific Notation

For Students 9th
In this decimals, percent and scientific notation worksheet, 9th graders solve various types of problems that range from shading an indicated part of a shape to calculating using scientific notation to express their answer. They express...
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Worksheet
Curated OER

Napier Rods

For Students 3rd - 6th
Napier Rods were created by John Napier, and are used to help with multiplication problems. The chart is very similar to a typical multiplication chart but has a unique history that learners may find interesting. 
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PPT
Curated OER

The Four-Color Problem: Concept and Solution

For Teachers 8th - 12th Standards
Take a walk through time, 1852 to 1994, following the mathematical history and development of the Four-Color Theorem. Learners take on the role of cartographers to study an imaginary world of countries that need to be mapped. One rule:...
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Lesson Plan
National Research Center for Career and Technical Education

Finance: Depreciation (Double Declining)

For Teachers 6th - 12th Standards
Of particular interest to a group of business and finance pupils, this lesson explores depreciation of automobile values by comparing the double declining balance to the straight line method. Mostly this is done through a slide...
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App
24x7 Digital

TeachMe: 1st Grade

For Students K - 2nd Standards
Let your eager learners practice their basic arithmetic and spelling skills with this fun interactive resource! For any primary grade teacher with access to an Apple mobile device, this is a must-have application.

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