- Adding and Subtracting and Positive and Negative Numbers - On-Line Mathematics Tutor, Wayne State University, Detroit MI
Animations that use a number line to illustrate counting, adding and subtracting, and negative numbers.
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- Adding Integers (SMILE) - John Charles Thomas, N. F. Simeon Vocational High School
A lesson designed to teach students to add and subtract integers, and define terms (additive inverse, identity element of addition, associative property of addition, addend, sum, magnitude). From the Arithmetic section of a collection of almost 200 single
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- Adding/Subtracting Fractions - Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about adding and subtracting fractions, including how to find common denominators.
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- Addition and Subtraction: By Checkbook (CEC) - Tim Olson, Meadow Valley Middle School; Panaca, Nevada
Checkbook Math - working with addition and subtraction (grades 7-8). A lesson designed to develop an understanding of the need for adding and subtraction skills and to begin an understanding of checkbooks. From the Columbia Education Center collection
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- Addition and Subtraction Game (CEC) - Kaye Miller; Lincoln City Jr. Academy, Lincoln City, OR
A group activity for grades 2-8 that provides review and drill in the format of a game for learning facts in subtraction and addition, appealing to multilevel and multigrade situations. Students get so caught up in the game they consider it an exciting
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- Add It Up - CleverMedia
Combine tiles that sum to the target number. Earn extra points for combining more tiles or consuming less time; win a bonus for using up all the tiles; lose points points for every tile left on the board. Requires the Flash plug-in.
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- All About Subtraction (AAA Math) - John Banfill
Free, interactive math exercises, lessons, and games covering beginning subtraction facts and subtraction of whole numbers, decimals, and fractions.
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- Big Daddy's Freeware - Vincent DiCarlo
Small, simple DOS programs to download for effective drilling of basic addition, subtraction, and multiplication.
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- Borrowing/Regrouping - Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about borrowing, regrouping, and carrying, such as "When doing subtraction problems like 100-99, why do the zeros become nines?" and "When you are subtracting a fraction, do you always take one away from the whole number?"
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- Calculations A: On-line Activity - Basic Arithmetic - Gilbert Chandler; University of Melbourne, Australia
Questions that can be used to practice simple arithmetic skills (addition, subtraction, multiplication, division) and check your answers online. The levels of difficulty can be varied for each question.
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- Counting and Place Value (SMILE) - Carole Gills, Edward Coles School
A lesson for grade 1 designed to give first grade students a concrete understanding of place value by providing concrete opportunities to practice counting, adding, and subtracting, using a phenomenological approach. From the Arithmetic section of a collection
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- Division by Three - John Conway, Peter Doyle
A formal proof that it is possible to divide by three. This assertion is easy to prove using the axiom of choice, but becomes a much more difficult problem if the axiom of choice is not allowed (as is the case here). From this proof, and the much simpler
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- Dositey.com - Dositey Corporation
Interactive lessons, exercises and worksheets, educational games, open-ended questions in Math and Language Arts, and more.
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- Eating on a Budget - Nancy Roeban; SCORE Mathematics
You have won a $25.00 gift certificate to the Grist Mill Resturant and Bow Mills Pub for a dinner. You will choose an appetizer, salad, and beef or seafood for your dinner. The catch is, you'll need to stay within the $25.00 budget. Aligned to the California
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- Equate: The Equation Thinking Game - Conceptual Math Media, Inc.
Have fun creating equations crossword-style. An arithmetic version of Scrabble, Equate is a math board game for family and classroom. Earn higher scores by using division or fraction tiles, or by playing tiles on premium board positions that double or
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- A Fictional History of Place Value (SMILE) - Bette B. Jarrow, Goudy Elementary School
A lesson designed to teach students to rename a two- or three-digit number in several different ways, including expanded form; and to perform addition and subtraction with the application of regrouping and the use of zero as a place holder. From the Arithmetic
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- Flash Cards for Kids - Donovan Follette
Currently, Flash Cards (shareware for Windows) supports addition, subtraction, and multiplication. The addition facts are enabled in the download file. The subtraction and multiplication facts can be enabled with a registration fee of $12.00. (Washington
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- Fun With Math: Grades 1-2 - Dept. of Teacher Education, California State Univ., Hayward, CA
Students solve addition and subtraction illustrated word problems using one- and two-digit numbers.
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- GoKidding - Sarveshwar Rao
Flash activities on counting, adding, subtracting, and naming shapes (polygons). Worksheets include circle mazes, fun with circles, and fun with triangles.
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- The Great Calculator Debate: Concerns About Calculator Use in Elementary Schools - Thomas W. Cowdery
Written for the Illinois State University College of Education course Principles of Curriculum Design, this student paper draws on the NCTM Standards, NEA Public Agenda studies, voices from Mathematically Correct, meta-analysis and other research into
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- Javascript School Math Toolkit - Jeff LeMieux
JavaScript Pythagorean solver, proportion problem solver, percent proportion problem solver, chord to circumference calculator, denominator to repeating decimal checker, subtraction worksheet generator, addition worksheet generator, multiplication worksheet
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- Kids SyvumBook Series - Syvum Technologies, Inc.
Interactive educational software for English, Knowledge, and Math, targeted for kids ages 6-12. Each Kids SyvumBook offers multimedia strips and main activity frames. Four levels of Math SyvumBooks help improve arithmetic, algebra, and basic number skills
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- The Lighter Side of Dr. Paulsen - William Paulsen
A collection of online games and puzzles: blackjack, The Non-Zero Difference Game, No Alibi (a mystery detective game), a haunted mansion labyrinth, sliding tile puzzles, and The Prime Maze.
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- Math Activities for Grades 5-8 - Biezad, Ward; NASA Dryden Flight Research Center
Lesson plans based on aeronautical themes and NASA projects. Topics include: Algebra: Space Shuttle Statistics; Angle Measurement and the AD-1 Aircraft; Angle Measurement of Aircraft Wings and Tails; Predicting and Computing Area: The X-33 and the X-38;
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- Math Activities for Grades K-4 - Biezad, Ward; NASA Dryden Flight Research Center
Lesson plans based on aeronautical themes and NASA projects. Topics include: Converting Units and the SR-71; Predicting and Estimating Speeds and the SR-71; Shape Identification - Geometry in the Constellations: The ER-2; Geometry and Shapes in the X-36;
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- MATH DITTOS 2 (Arithmetic Software) - Wood
The MATH DITTOS 2 series is a fact-supported approach to teaching computation designed for special learners by a career elementary schoolteacher. Each page in the series presents a limited number of problems with some workspace. The facts necessary to
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- Mathematics Lesson Plans: Math - Intermediate (6-8) - Columbia Education Center (CEC)
Middle school mini-lessons, listing author, grade level, subject, overview and purpose, objectives, materials needed, and activities and procedures, including materials for learning graphing, probability, geometry, about pi and large numbers, factoring,
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- Math Fun and Educational Gifts and Specials - 24Hours7Days
Purchase Clever Catch Balls, Fraction Bars, Decimal Squares, Math Chase, and other board games and manipulatives for practicing addition, algebra, decimals, division, fractions, money, multiplication, patterns, subtraction, and time.
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- Math Game Using A Tic-Tac-Toe Board (SMILE) - Gertrude Franklin, William Penn
A lesson for the elementary grades that introduces addition, subtraction and
multiplication by using Tic-Tac-Toe methodology; introduces a new method in using the Tic-Tac-Toe grid; and presents a new problem-solving method. From the Recreational and
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- Math Is Power Math Puzzles - National Action Council for Minorities in Engineering (NACME)
Six Shockwave games. CodeBreaker requires using trial and error to deduce the correct string of colored circles, given feedback on position and quantity. In Space Tag, two players take turns moving on a grid, one of them attempting to occupy the other's
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- Math Masters - 4Kids
The game where everyone can add, subtract and multiply. Choose a game to play and press start. If you know the answer to the problem, click on the white button with the answer. The faster you answer a question, the more points you get. If you don't know
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- MathMastery - MathMastery.com
Play CyberChallenge Shockwave addition, subtraction, multiplication, and division games. Test Your Skills with placement exams (online or printable) on adding, subtracting, multiplying, dividing, fractions, and decimals. My Math Class offers Shockwave
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- Math - PrimaryGames.com
Games and drills for very young students: Two Minute Warning (drills addition and subtraction); One Little Ball (numbers 1-5); Sammy's Shapes (geometric shapes); Take It Away (subtraction); Add 'em Up (addition).
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- Measuring with Two Containers - Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about using two different containers to measure out a third quantity, such as "How can you measure 7 liters using only 4-liter and 9-liter pails?"
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- Money: Demonstrating Coin Values up to $1.00 (SMILE) - Camille Gales, Coles Elementary School
A lesson designed to teach students to use a variety of coins to make change up to the value of a dollar. From the Arithmetic section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for Learning Enhancement.
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- Multiple representations of addition and subtraction-related problems... - Bal Chandra Luitel
... by third, fourth and fifth graders. This research proposal includes background, theoretical framework and a brief methodological discussion.
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- Music through the Curriculum - Phil Tulga
Developers of math programs such as "Math and Music," which teaches students how to "hear" math (what does a fraction sound like? how about a shape?); and "Math, Science and Sound," an assembly and family night program that connects thunder, volcanoes,
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- My Rummy - My-Rummy.com
A math card game designed to help math teachers develop their students' number sense and understanding of addition and subtraction, and also to promote reading, listening and quick decision making among the players.
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- NewMedia Project: Integers - MathStar, Los Angeles County Office of Education
The NewMedia Project area of MathStar offers resources in mathematics for middle school teachers and students. The Integers unit is comprised of three lessons: Introducing Integers, Adding/Multiplying Integers, and Subtracting Integers. Each of the three
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- A 'New Set of Numbers' (An Introduction of Integers) (SMILE) - Barbara Barlow, Caldwell School
A lesson for grade 6 designed to teach students to add and subtract positive and
negative integers. From the Arithmetic section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for Learning Enhancement.
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- Numberline Lane - Fiona Cartmell, Nick Reynolds, and Anthony Cartmell
A website accompanying books designed to help teaching and learning math through stories and cartoon illustrations. Meet the residents of Numberline Lane: Walter One, Suzie Two, Hebe Three, Nora Four, Clive Five, Nick Six, Kevin Seven, Katy Eight, Nigel
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- Number Tick Tack Toe: A Math Game for Primary Grades (CEC) - Ann James, Klawock Elementary; Klawock, AK
With this altered version of tic-tac-toe in which numbers 0 through 9 are used and the object is to complete any row, column, or diagonal so that two of the three numbers add up to the third, students in grades 1-3 practice basic addition and subtraction
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- The Pluses and the Minuses - Energy Conservation Enhancement Project
Students calculate insulation needs in the home, completing a variety of addition and subtraction problems, especially using decimals, and derive and solve mathematical formulas from word problems. They also learn go define insulation and R-values, and
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- Primary Understanding and Use of Place Value (SMILE) - Eleanor Brzozowski, Hanson Park School
A lesson designed to teach students about some of the peoples that have
contributed to the development of modern arithmetic (number systems); to provide a better understanding of our base 10 number system and its application to real life problems; and
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- Shopping For Toys - Libby Humason, Melanee Stearns; SCORE Mathematics
You have just won a $100 gift certificate to buy some toys! You must try to spend as much of it as you can without going over. Go shopping and have some fun. Aligned to the California State Standards. From the Schools of California Online Resources for
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- TouchMath: Multi-sensory Math Supplements - Innovative Learning Concepts, Inc.
The TouchMath Method is a multi-sensory approach to teaching basic number concepts, addition, subtraction, multiplication and division. TouchMath integrates digits 1 through 9 with a corresponding number of "touchpoints." Students physically touch each
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- Whole Language Approach in Solving Word Problems (SMILE) - Barbara Thomas, Langston Hughes School
A lesson that uses the story of the Three Little Pigs to teach students to formulate addition and subtraction problems of whole numbers; relate everyday language to mathematics meaningfully; use problem-solving approaches to investigate and understand
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