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Index of eManipulatives
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Abacus An electronic abacus that can be used to do arithmetic. |
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Adding Fractions Illustrates what it means to find a common denominator and combine. |
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Algebra Tiles Visualize multiplying and factoring algebraic expressions using tiles. |
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Balance Beam Algebra Solve simple linear equations using a balance beam representation. |
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Base Blocks Addition Use base ten blocks to model grouping in addition. |
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Base Blocks Decimals Add and subtract decimal values using base blocks. |
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Base Blocks Subtraction Use base ten blocks to model separation of groups in subtraction. |
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Box Plot Use this tool to summarize data using a box plot graph. |
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Chip Abacus Learn about carrying and digits using chips. |
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Chips Minus Use color chips to illustrate subtraction of integers. |
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Chips Plus Use color chips to illustrate addition of integers. |
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Circle 0 Solve puzzles involving arranging numbers in circles so that they add up to 0. |
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Circle 21 Solve puzzles involving arranging numbers in circles so that they add up to 21. |
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Circle 99 Solve puzzles involving arranging numbers in circles so that they add up to 99. |
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Coin Tossing Explore probability concepts by simulating repeated coin tosses. |
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Color Patterns Complete patterns created by a sequence of colors. |
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Comparing Fractions Judge the size of fractions and plot them on a number line. |
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Composition of Transformations Explore the effect of applying a composition of translation, rotation, and reflection transformations to objects. |
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Congruence Build similar triangles by combining sides and angles. |
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Coordinate Geoboard Rectangular geoboard with x and y coordinates. |
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Counterfeit Coin Use deduction to find the counterfeit coin. |
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Dilation Transformations Dynamically interact with and see the result of a dilation transformation. |
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Dividing Fractions Divide fractions using number line bars. |
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Equivalent Fractions Illustrates relationships between equivalent fractions. |
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Factor Tree Factor numbers using a tree diagram. |
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Fill and Pour Solve puzzles requiring you to fill and pour containers. |
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Fractals Change colors and pause this fractal simulation at any point. |
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Function Grapher A tool for graphing and exploring functions. |
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Function Machine Determine what the function machine's output will be. |
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Geoboard Use geoboard to illustrate area, perimeter, and rational number concepts. |
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Geoboard (Triangular Lattice) Use geoboard to illustrate three-dimensional shapes. |
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Histogram Use this tool to summarize data you enter using a histogram graph. |
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Let's Make a Deal Investigate probabilities of sticking with a decision, or switching. |
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Magic Cube Explore a 3-dimensional 5x5 magic cube. |
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Multibase Blocks Illustrate addition and subtraction in a variety of bases. |
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Multiplying Fractions Visualize and practice multiplying fractions using an area representation. |
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Naming Fractions Write the fraction corresponding to the highlighted portion of a shape. |
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Number Bounce Number line addition and subtraction game. |
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Number Line Bars Use number line bars to learn about whole numbers. |
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Number Line Arithmetic Illustrates arithmetic operations using a number line. |
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Number Puzzles Solve puzzles involving arranging numbers on a diagram so that they add up to a given value. |
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Parts of a Whole Relates parts of a whole unit to written description and fraction. |
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Pattern Blocks Use six common geometric shapes to build patterns and solve problems. |
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Percent Gauge Discover relationships between fractions, percents, and decimals. |
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Pythagorean Theorem Solve two puzzles that illustrate the proof of the Pythagorean Theorem. |
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Rectangle Division Visualize and practice dividing numbers by using an area representation. |
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Rectangle Multiplication Visualize the multiplication of two numbers as an area. |
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Reflection Transformations Dynamically interact with and see the result of a reflection transformation. |
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Rotation Transformations Dynamically interact with and see the result of a rotation transformation. |
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Scatterplot Plot multiple data points in two dimensions and determine correlation. |
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Sieve of Eratosthenes Relate number patterns with visual patterns. |
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Simulation Randomly selects and displays draws from a box. |
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Slicing Solids Discover shapes and relationships between slices of the platonic solids. |
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Space Blocks Create and discover patterns using three dimensional blocks. |
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Tessellations Using regular and semi-regular tessellations to tile the plane. |
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Towers of Hanoi Solve the tower problem and test your theory by varying the number of disks. |
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Translation Transformations Dynamically interact with and see the result of a translation transformation. |
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Venn Diagrams Investigate common features of sets. |
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Visualizing Fractions Illustrate a fraction by dividing a shape and highlighting the appropriate parts. |