 IDEAS: Interactive Dialogue with Educators from Across the State  TEACH Wisconsin Collaboration Committee, Univ. of Wisconsin
As a portal site, IDEAS provides a starting point for searching for educational materials. Although the resources have been aligned to the Wisconsin State Academic Standards, teachers in other states might find their organized list useful. Search lesson
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 Identification of Equivalent Fractions (SMILE)  Bette B. Jarrow, Gaudy School
A modified rummy card game designed to teach students the meaning of a fraction; to identify the fractional representation for "one whole"; and to recognize the renamed fraction after it has been increased or reduced. From the Arithmetic section of a
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 I ❤ Edu  Meagan Kelly
Blog by a 7th grade math teacher in Southern California providing educational technology and other resources to improve teaching practices and inspire student learning. Posts by this Google Certified Educator, AVID (DoDEA Advancement Via Individual Determination)
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 I Feel the Need for Speed  Jeff Amerson
A rollercoaster lesson. Students learn to calculate the speed, velocity, acceleration, and inertia of a moving object and distinguish between distance and displacement. They also calculate the acceleration rates of the nation's fastest roller coasters.
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 The Ignite Show  Georgia Public Broadcasting
TV shows and blog that "raise respect and awareness of educators and education through the voices of teachers, parents and students" in studentcentered classrooms. Half hourlong videos that feature math teachers include episodes starring 2008 California
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 I Hope This Old Train Breaks Down...  Mimi Yang
Blog by a high school algebra, precalculus, and calculus teacher in Seattle, by way of teaching positions in New York City, El Salvador, and Germany. Posts, which date back to March, 2009, have included "Math Projects," "The magic of teaching; El Trifinio,"
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 Illusions of Depth (Elementary Art Lessons, Arts Wire)  Michael Delahunt
A 3rd grade lesson plan on "Seeing Near and Far": students learn how overlapping and size differences show perspective, and that on a level surface, the lowest part of a near subject is lower in a picture than the lowest part of a farther subject, recognizing
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 iLumina  UNC Wilmington
A digital library of sharable undergraduate teaching materials for mathematics with the goals of helping faculty and students develop and contribute new resources; make effective use of the resources through search and community services; and meaningfully
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 Imagine the Universe  HighEnergy Astrophysics Learning Center
A site, primarily but not exclusively for ages 14 and up, dedicated to a discussion about our universe: what we know about it, how it is evolving, the kinds of objects and phenomena it contains, how scientists know what they know, what mysteries remain,
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 IMPS  Education Development Center, Inc.
Illustrations that model implementation of the Common Core State Standards (CCSS) for Mathematical Practice (MPs) and connect them to the content standards. Centered on student dialogues, each of EDC's eight Implementing the Mathematical Practice Standards
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 IMSA Math Activities  Illinois Mathematics and Science Academy (IMSA)
A collection of short activity sheets on algebra, precalculus, and calculus subjects ranging from a definition of logs and derivatives of exponential functions, to reciprocals of power functions (x^n) and reciprocals of parabolas, to Newton's Method
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 IMSA Math Journal  Michele Micetich; Illinois Mathematics and Science Academy
A journal published annually since 1993; each issue contains articles, problems, and activities spanning a wide variety of topics of interest to high school mathematics teachers and students. Articles are available in both online and downloadable versions.
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 InCharge Education Foundation  InCharge Education Foundation, Inc.
The nonprofit InCharge Education Foundation promotes financial wellness by offering data, information, research, and education on the behaviors and issues facing average individuals and families on consumer credit, money management, and financial wellbeing
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 Inch by Inch and Centimeter by Centimeter Extravaganza (SMILE)  Pamela J. BatesHines, Ninos Heroes Academy
A lesson for the very early grades designed to teach students to measure one inch to a yard; measure one centimeter to a meter; and compare and contrast standard to nonstandard units of measurement. From the Geometry and Measurement section of a collection
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 Incorporating Word Problems into Basic Skills Development  Gerald A. Baldino; YaleNew Haven Teachers Institute
Teaching word problems and methods of solution: a unit concerned with practical approaches to problem solving at the elementary mathematical level. It presents concepts and ideas calculated to encourage educators to concentrate on and deal with everyday
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 Indian Ocean Monsoon  Earth Space Research Group (ESRG)
A scenario developed by the Dept of Geography at UCSB and the EarthSpace Research Group, part of the Institute for Computational Earth System Science. Includes sections useful for firstyear Calculus students. The monsoon, one of the most dramatic climates
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 INDY 500  Susan Boone
Students find the mean and median speed for the Indianapolis 500. Rates per lap are calculated, as well as the length of each lap. Students research information and collect data via the Internet.
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 Inequalities (SMILE)  Ben Butler, Jr., Gage Park High School
A lesson designed to teach students how to transform inequalities and find their sets. From the Algebra and Trigonometry section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for Learning Enhancement.
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 Infinite Sums  Jonathan Claydon
Blog by a high school math teacher in Houston, Texas, who "decided the corporate engineering world was not for me, so now I joke around with teenagers and teach them math. And soccer." Posts, which date back to June, 2011, have included "Standards Based
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 InfoWeb's Teachers Gateway  North Carolina Department of Public Instruction (DPI)
New and important information for teachers; educational research  links to studies, papers and reports about how children learn, effective teaching, etc.; instructional resources on and off the Web; education news; law and policy; award programs; education
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 Insert Clever Math Pun Here  Meg Craig
Blog chock full of original classroom assignments and handwork samples. Posts by the Birmingham (Alabama) math teacher, which date back to July, 2014, have included "Equation Editor Awesomeness," "#mtboschallenge 123 Sunday Summary," "The Bagel AwardWinning
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 Instant Math Series  France & Associates
A set of productivity tools for teachers and parents that will prepare tests or worksheets, as well as the answer keys. Useful for practice homework drills for parents who want to help their children learn math. Macintosh only. Demo available to download.
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 Instructional Fair Group  TS Denison
The 2000 catalogue of over 4000 products. Select mathematics to search by keyword or find product groupings under: algebra; base ten; basic operations; calculus; fractions; games & game pieces; geometry; mathematics kit; measurement; numbers &
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 Instructional Resources  Microsoft Corporation
Microsoft's instructional resources are divided into lesson plans (math), howto articles, and tutorials. You may search each section's resources by age group, Microsoft product, theme or learning area. See also the Design Gallery Live.
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 Integer Jim's Math Squad  Jim Bennett
Creative ways to use art, writing, research, and Internet projects to make math more exciting for students. The Math Squad art projects are yearlong projects; rather than "lesson oriented," they create an "adventure theme" that facilitates math instruction.
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 Integer: TicTacToe Four In A Row! (SMILE)  Conchita A. Little, Terrell School
A lesson that employs a phenomenological approach to the introduction of integers using a coordinate plane and ordered pairs. From the Recreational and Creative Math section of a collection of almost 200 single concept lessons by the Science and Mathematics
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 Integrating the Internet with Excel to Create Computerized Line Graphs and Bar Charts  Ferne Beyer
A lesson plan where students identify the elements of a line graph and bar chart; manually plot data on both a line graph and bar chart; interpret information from both a line graph and bar chart; use Excel, a spreadsheet application program, to display
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 Interactive Real Analysis  Bert G. Wachsmuth
Interactive Real Analysis is an online, interactive textbook for Real Analysis or Advanced Calculus in one real variable. Organized into the topics of sets and relations, infinity and induction, sequences of numbers, topology, continuity and differentiation,
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 The InterFACE: Internet Fractal and Chaos Education  ThinkQuest 1997
Lessons, games, activities, demonstrations, and software, to inform users of the science and mathematics behind fractal images and chaos theory. The lessons, identified by subject and level of difficulty and including quizzes, are designed to promote
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 Interior Design (SMILE)  Sally Hill, Horatio May Community Academy
A lesson for grades 46 designed to teach students to calculate area and perimeter in inches. From the Geometry and Measurement section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for Learning Enhancement.
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 InterMath  The University of Georgia
InterMath is a professional development effort designed to support teachers in becoming better mathematics educators. InterMath workshops provide an ongoing support community, a lesson plan database, and a discussion board. The site provides mathematical
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 Internet Lessons  Susan Boone; GirlTECH '95, CRPC, RUSMP
Lessons with an Internet component, developed for GirlTECH'95, a program funded by CRPC Rice University and the RUSMP. A Functional Housing Market asks students to search the Internet for housing prices and compare them to the area of a house, thus deriving
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 The Internet Pizza Server  Susan Boone
A lesson on data collection, unit price, proportions, research, and area of circles. Students create their own pizzas using choices of toppings. They "order" their creations from the Internet and see digitalized versions of their pizzas. They use their
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 Internet Projects for Elementary Statistics  Weiss; Addison Wesley Longman
Projects designed to help students understand statistics by analyzing real data and interacting with graphical demonstrations of statistical concepts. Each Web chapter provides a set of simulations, demonstrations, and other activities to supplement Elementary
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 Interventions Portfolio: Math  Peacock, Groenew; School Psychology Project, Univ. of South Dakota, SD
A place to read suggestions by teachers for helping children gain skills and concepts related to mathematics across the grades (Preschool, K2, 35, 68, 912). You may also submit your own successful strategies.
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 Introducing Powers And ModelsII (SMILE)  Sarah Barrett, Mars Hill School
A lesson designed to teach students powers and models using Multiplication Rummy, a card game that provides practice in rapid calculation to increase the acuity
of excellent students. From the Arithmetic section of a collection of almost 200 single
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 Introducing Powers and ModelsI (SMILE)  Sarah Barrett, Mars Hill School
A lesson for grades 410 designed to teach students to discover how to square numbers; that squares are areas; the meaning of terms (exponent, to the power of, etc.); to visualize powers; to construct models and describe shapes; and to manipulate puzzle
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 Introduction à l'algèbre  Gilles G. Jobin, Projet Diderot
An interactive course, with extensive use of the Geometer's Sketchpad. Sommaire: Introduction générale; Conseils techniques; Test diagnostique (En chantier); Définitions et vocabulaire; Représentation sur la droite numérique;
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 Introduction to Algebra for Primary Students  Varnelle Moore
A Web unit designed to guide young children (K2) through an introduction to algebra. Children learn to sort, classify, and order attribute blocks by size, number, and other properties. Each lesson includes an interactive, manipulativebased project,
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 An Introduction to Angles (SMILE)  Samuel A. Anoma, Hyde Park Career Academy
A lesson designed to teach students to name, classify, identify, and measure angles. From the Geometry and Measurement section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for Learning Enhancement.
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 An Introduction to Area and Perimeter (SMILE)  Edwina R. Justice, Gunsaulus Scholastic Academy
A lesson for grades 47 designed to use a phenomenological approach to teach students to measure, record, discover, and apply rules for area and perimeter. From the Geometry and Measurement section of a collection of almost 200 single concept lessons
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 An Introduction to Continued Fractions  Ron Knott
Continued fractions are just another way of writing fractions. They have some interesting links with a jigsawpuzzle problem of splitting a rectangle up into squares and also with one of the oldest algorithms known to mathematicians  Euclid's Algorithm
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 Introduction to Curve Stitching: Line Designs (SMILE)  Wilhelm L. Lilly, Kenwood Academy
A lesson designed to develop students' awareness that straight line segments can produce the illusion of a curve, and their ability to recognize and describe number patterns; and to help them experience the beauty of mathematics by introducing geometric
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 An Introduction to Data Reading and Computations (SMILE)  Christeen Brown, Robert Fulton Elementary School
A lesson for grades 35 designed to teach students to identify data on the horizontal (x) axis and vertical (y) axis; read numbered pounds on a weight scale; estimate pounds upon sight before being given a known weight; identify actual weight; understand
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 Introduction to Descriptive Statistics (MSTE)  Jay Hill; University of Illinois at UrbanaChampaign (UIUC)
Designed for use in a classroom setting, these lessons use both handson and "virtual" activities to develop and establish the basic concepts of descriptive statistics. Topic pages include Mode, Median, Mean, Central Tendency, Variation, Range, Variance,
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 Introduction To Equivalent Fractions (SMILE)  Rose Cartwright, Lyman Trumbull School
A lesson designed to examine the partwhole relation of numbers and to compare one fraction to another in order to discover their equalities. From the Arithmetic section of a collection of almost 200 single concept lessons by the Science and Mathematics
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 An Introduction to Estimation and Measurements (SMILE)  Christeen Brown, Robert Fulton Elementary
A lesson for grades 35 designed to teach students to convert ounces to pounds; measure liquids; describe measurements in sizes; measure volumes; understand the importance of knowing and using the measurements; observe shapes and sizes in measurements;
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 Introduction to Fractions on the Numberline (SMILE)  Claudia R. Jones, Crane High School
A lesson designed to teach students to read fractional parts of an inch on a ruler, and to deal meaningfully with the typical number line. From the Arithmetic section of a collection of almost 200 single concept lessons by the Science and Mathematics
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 Introduction to Fractions Using Cuisenaire Rods (SMILE)  Gwendolyn M. Manson, Benjamin Banneker School
A lesson for grade 5 designed to teach students to develop concept and fractional relations; learn numerical values of rods and relate them to color and length; use varied approaches to discovering new fractional relations; write a problemsolving story;
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 Introduction to Geometry  ThinkQuest 1996
Four basic lessons in geometry, each divided into separate sections, with a final test and a reference page with formulas. 1  Basics (Terminology, Relationships, Calculations); 2  Introduction to Proofs (Theorems, Reasoning, Proofs with Segments, Proofs
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