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10X Bigger!
Conditions of Use:
Remix and Share
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Students will explore multi-digit numbers and the relationship between ones, tens and hundreds; a digit in one place is 10x the digit in the place to its right. Students will use their bodies to represent digits in multi-digit numbers up to the hundredths place and compare these numbers using <, =, >. Students will use their bodies as multi-digit numbers to add and subtract.

Material Type:
Activity/Lab
Teaching/Learning Strategy
Author:
Admin
Date Added:
01/28/2016
2D Representations of 3D Objects
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This lesson unit is intended to help teachers assess how well students are able to visualize two-dimensional cross-sections of representations of three-dimensional objects. In particular, the lesson will help you identify and help students who have difficulties recognizing and drawing two-dimensional cross-sections at different points along a plane of a representation of a three-dimensional object.

Material Type:
Assessment
Lesson Plan
Provider:
Shell Center for Mathematical Education
U.C. Berkeley
Provider Set:
Mathematics Assessment Project (MAP)
Mathematics Assessment Project (MAP)
Date Added:
04/26/2013
2D Rotation Using Matrices
Conditions of Use:
Remix and Share
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This Demonstration illustrates the concept of rotating a 2D polygon. The rotation matrix is displayed for the current angle. The default polygon is a square that you can modify.

Material Type:
Activity/Lab
Diagram/Illustration
Homework/Assignment
Interactive
Simulation
Teaching/Learning Strategy
Provider:
Wolfram Research
Provider Set:
Wolfram Demonstrations Project
Author:
Mito Are and Valeria Antohe
Date Added:
09/04/2013
36 Arabic Stories for Kids
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This page contains links to thirty-six stories children's stories written in Arabic. Many of the stories include morals or other teaching moments. Each page of every story has small illustrations for difficult words at the bottom to help make reading easier for both native and non-native speakers. The stories move from easy to more difficult. The stories are fully voweled.

Material Type:
Reading
Provider:
Dar al-Manhar
Date Added:
10/14/2013
7 Short Stories
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This is a collection of one page stories brought together in one document available for free download. Each page/story corresponds with a day of the week, although the stories themselves have no connection with one another. The stories include moral lessons. Each story is fully voweled.

Material Type:
Reading
Provider:
bookstolearnarabic
Date Added:
10/14/2013
AAS Congruent Triangles
Conditions of Use:
Read the Fine Print
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An interactive applet and associated web page that shows how triangles that have two angles and a non-included side the same must be congruent. The applet shows two triangles, one of which can be reshaped by dragging any vertex. The other changes to remain congruent to it and the two angles and non-included side are outlined in bold to show they are the same measure and are the elements being used to prove congruence. The web page describes all this and has links to other related pages. Applet can be enlarged to full screen size for use with a classroom projector. This resource is a component of the Math Open Reference Interactive Geometry textbook project at http://www.mathopenref.com.

Material Type:
Reading
Simulation
Provider:
Math Open Reference
Author:
John Page
Date Added:
02/16/2011
A-CED Regular Tessellations of the plane
Conditions of Use:
No Strings Attached
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This task examines the ways in which the plane can be covered by regular polygons in a very strict arrangement called a regular tessellation. These tessellations are studied here using algebra, which enters the picture via the formula for the measure of the interior angles of a regular polygon (which should therefore be introduced or reviewed before beginning the task). The goal of the task is to use algebra in order to understand which tessellations of the plane with regular polygons are possible.

Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
01/21/2013
Ace Maths: Solutions Unit 1 - Exploring What It Means to 'Do' Mathematics  (PDF)
Conditions of Use:
Remix and Share
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The solutions unit consists of the following: General points for discussion relating to the teaching of the mathematical content in the activities. Step-by-step mathematical solutions to the activities. Annotations to the solutions to assist teachers in their understanding the maths as well as teaching issues relating to the mathematical content represented in the activities.. Suggestions of links to alternative activities for the teaching of the mathematical content represented in the activities.

Material Type:
Lecture Notes
Reading
Unit of Study
Provider:
OER Africa
South African Institute for Distance Education
Date Added:
02/27/2012
Adab Arabic Poetry
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This website hosts many examples of poetry from the jahiliyyah period to the present in an attempt to create a comprehensive diwan of Arabic poetry. Some poems have an audio component. Users can browse poetry by time period, by audio file, by author's name, or by custom search. The website is also in English and there are many poems that have been translated into English, although some poems that are on the website in English are not on the website in Arabic and vice versa. Users can submit poetry to the website via a submission system.

Material Type:
Reading
Provider:
adab
Date Added:
10/14/2013
Addition Patterns
Conditions of Use:
No Strings Attached
Rating

The purpose of this task is to study some patterns in a small addition table. Each pattern identified persists for a larger table and if more time is available for this activity students should be encouraged to explore these patterns in larger tables.

Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
08/15/2012
Al Wzzan
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Al Wzzan is a website aimed at analyzing Arabic poetry. Users can type any verse into the search field, and the website will identify it's meter, or "bahar." Arabic poetry traditionally falls within one of fifteen different meters. The site also provides sample stanzas of poetry to demonstrate how the programs works.

Material Type:
Reading
Provider:
Wzzan
Date Added:
10/14/2013
Algebraic Equations, Inequalities, and Properties
Conditions of Use:
Read the Fine Print
Rating

This lesson is about trying to get students to make connections between ideas about equations, inequalities, and expressions. The lesson is designed to give students opportunities to use mathematical vocabulary for a purpose to describe, discuss, and work with these symbol strings.The idea is for students to start gathering global information by looking at the whole number string rather than thinking only about individual procedures or steps. Hopefully students will begin to see the symbol strings as mathematical objects with their own unique set of attributes. (7th Grade Math)

Material Type:
Activity/Lab
Lecture
Lesson Plan
Teaching/Learning Strategy
Provider:
Noyce Foundation
Provider Set:
Inside Mathematics
Author:
Disston, Jacob
Date Added:
11/30/2011
Alpha Decay (AR)
Conditions of Use:
Read the Fine Print
Rating

Watch alpha particles escape from a polonium nucleus, causing radioactive alpha decay. See how random decay times relate to the half life.

Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Danielle Harlow
John Blanco
Kathy Perkins
Noah Podolefsky
Ron LeMaster
Sam McKagan
Wendy Adams
Date Added:
09/02/2012
Analyzing Congruence Proofs
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This lesson unit is intended to help teachers assess how well students are able to: work with concepts of congruency and similarity, including identifying corresponding sides and corresponding angles within and between triangles; Identify and understand the significance of a counter-example; Prove, and evaluate proofs in a geometric context.

Material Type:
Assessment
Lesson Plan
Provider:
Shell Center for Mathematical Education
U.C. Berkeley
Provider Set:
Mathematics Assessment Project (MAP)
Mathematics Assessment Project (MAP)
Date Added:
04/26/2013
Ancient Civilizations of the World
Conditions of Use:
Read the Fine Print
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In this course, the student will study the emergence of the major civilizations of the ancient world, beginning with the Paleolithic Era (about 2.5 million years ago) and finishing with the end of the Middle Ages in fifteenth century A.D. The student will pay special attention to how societies evolved across this expanse of time - from fragmented and primitive agricultural communities to more advanced and consolidated civilizations. By the end of the course, the student will possess a thorough understanding of important overarching social, political, religious, and economic themes in the ancient world, ranging from the emergence of Confucian philosophy in Asia to the fall of imperial Rome. Upon successful completion of this course, the student will be able to: Identify and define the world's earliest civilizations, including the Neolithic Revolution, and describe how it shaped the development of these early civilizations; Identify, describe, and compare/contrast the first advanced civilizations in the world - Mesopotamia and Egypt; Identify and describe the emergence of the earliest civilizations in Asia: the Harappan and Aryan societies on the Indian subcontinent and the Shang and Zhou societies in China; Identify and describe the emergence of new philosophies - Daoism and Confucianism - during the Warring States period in China. Identify and describe the subsequent rise of the Qin and Han dynasties; Identify and describe the different periods that characterized ancient Greece - Archaic Greece (or the Greek Dark Ages), classical Greece, and the Hellenistic era; Identify and describe the characteristics of the Roman Kingdom, the Roman Republic, and Imperial Rome; Analyze the emergence of the Mauryan and Gupta empires during the 'classical age' in India; Identify and analyze the Buddhist and Vedic (Hindu) faiths; Identify and describe the rise of civilizations in the Americas, particularly in Meso and South America; Analyze and describe the rise of Islam in the Middle East; Identify and describe the emergence of the Arab caliphate, the Umayyad dynasty, and Abbasid dynasty; Identify and describe the rise and fall of the Byzantine Empire; Identify and analyze key facets of medieval society in Western EuropeĺÎĺĚ_ĺÜthe Catholic Church, feudalism, and the rise of technology and commerce; Analyze and interpret primary-source documents that elucidate the exchanges and advancements made in civilizations across time and space. (History 101)

Material Type:
Assessment
Full Course
Lecture
Reading
Syllabus
Provider:
The Saylor Foundation
Date Added:
11/21/2011
Angle Hunting
Conditions of Use:
Remix and Share
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In this activity, learners use a hand-made protractor to measure angles they find in playground equipment. Learners will observe that angle measurements do not change with distance, because they are distance invariant, or constant. Note: The "Pocket Protractor" activity should be done ahead as a separate activity (see related resource), but a standard protractor can be used as a substitute.

Material Type:
Activity/Lab
Provider:
Exploratorium
Author:
Exploratorium
Gordon and Betty Moore Foundation
National Science Foundation
The Exploratorium
Date Added:
12/07/2010