Search results for: angrams Your search found nothing Abacus — An electronic abacus that can be used to do arithmetic. Number & Operations (3–5), Number & Operations (6–8), Number & Operations (9–12)
Algebra Balance Scales — Solve simple linear equations using a balance beam representation. Algebra (6–8), Algebra (9–12)
Algebra Balance Scales - Negatives — Solve simple linear equations using a balance beam representation. Algebra (6–8), Algebra (9–12)
Algebra Tiles — Visualize multiplying and factoring algebraic expressions using tiles. Algebra (Pre-K–2), Algebra (3–5), Algebra (6–8), Algebra (9–12)
Attribute Blocks — Learn color and shape concepts by sorting blocks. Geometry (Pre-K–2), Measurement (Pre-K–2), Geometry (3–5), Measurement (3–5)
Attribute Trains — Learn about shape and color patterns of by completing trains of blocks. Geometry (Pre-K–2), Measurement (Pre-K–2), Geometry (3–5), Measurement (3–5), Geometry (6–8), Measurement (6–8)
Bar Chart — Create a bar chart showing quantities or percentages by labeling columns and clicking on values. Number & Operations (Pre-K–2), Data Analysis & Probability (Pre-K–2), Number & Operations (3–5), Data Analysis & Probability (3–5), Data Analysis & Probability (6–8), Data Analysis & Probability (9–12)
Base Blocks — Illustrate addition and subtraction in a variety of bases. Number & Operations (Pre-K–2), Number & Operations (3–5), Algebra (3–5), Number & Operations (6–8), Algebra (6–8), Algebra (9–12)
Base Blocks Addition — Use base ten blocks to model grouping in addition. Number & Operations (Pre-K–2), Number & Operations (3–5), Number & Operations (6–8)
Base Blocks Decimals — Add and subtract decimal values using base blocks. Number & Operations (Pre-K–2), Number & Operations (3–5), Number & Operations (6–8)
Base Blocks Subtraction — Use base ten blocks to model separation of groups in subtraction. Number & Operations (Pre-K–2), Number & Operations (3–5), Number & Operations (6–8)
Block Patterns — Analyze sequences of figures using pictures, tables, plots, and graphs. Algebra (6–8), Algebra (9–12)
Box Model — Randomly selects and displays draws from a box. Data Analysis & Probability (6–8), Data Analysis & Probability (9–12)
Box Plot — Use this tool to summarize data using a box plot graph. Data Analysis & Probability (6–8), Data Analysis & Probability (9–12)
Chip Abacus — Learn about carrying and digits using chips. Number & Operations (Pre-K–2), Number & Operations (3–5), Number & Operations (6–8)
Circle 0 — A puzzle involving adding positive and negative integers to sum to zero. Number & Operations (3–5), Number & Operations (6–8), Number & Operations (9–12)
Circle 21 — A puzzle involving adding positive and negative integers to sum to twenty one. Number & Operations (3–5), Number & Operations (6–8), Number & Operations (9–12)
Circle 3 — A puzzle involving adding positive real numbers to sum to three. Number & Operations (3–5), Number & Operations (6–8), Number & Operations (9–12)
Circle 99 — A puzzle involving adding positive and negative integers to sum to ninety nine. Number & Operations (Pre-K–2), Number & Operations (3–5), Number & Operations (6–8), Number & Operations (9–12)
Cob Web Plot — Change variables and observe patterns from this graphing simulation. Geometry (6–8), Geometry (9–12)
Coin Problem — Use deduction to find the counterfeit coin. Algebra (6–8), Algebra (9–12)
Coin Tossing — Explore probability concepts by simulating repeated coin tosses. Data Analysis & Probability (6–8), Data Analysis & Probability (9–12)
Color Chips - Addition — Use color chips to illustrate addition of integers. Number & Operations (Pre-K–2), Number & Operations (3–5)
Color Chips - Subtraction — Use color chips to illustrate subtraction of integers. Number & Operations (3–5), Number & Operations (6–8)
Color Patterns — Arrange colors to complete a pattern. Number & Operations (Pre-K–2), Algebra (Pre-K–2), Number & Operations (3–5), Algebra (3–5)
Congruent Triangles — Build similar triangles by combining sides and angles. Geometry (Pre-K–2), Geometry (3–5), Geometry (6–8)
Converting Units — Use a simple system for converting units. Measurement (3–5), Measurement (6–8), Measurement (9–12)
Conway's Game of Life — Discover the rules that determine change in these simulations. Number & Operations (6–8), Number & Operations (9–12)
Counting All Pairs — Create a path that sets up a one-to-one correspondence between the counting numbers and infinite sets of ordered pairs of integers. Number & Operations (9–12)
Diffy — Solve an interesting puzzle involving the differences of given numbers. Number & Operations (Pre-K–2), Number & Operations (3–5), Number & Operations (6–8), Number & Operations (9–12)
Dueling Calculators — Visualize a dramatic simulation of the effect of propagating rounding errors. Number & Operations (6–8), Number & Operations (9–12)
Factor Tree — Factor numbers using a tree diagram. Number & Operations (3–5), Number & Operations (6–8), Algebra (6–8)
Fibonacci Sequence — Explore the Fibonacci sequence and the golden ratio. Number & Operations (6–8), Number & Operations (9–12)
Fifteen Puzzle — Solve this virtual version of the classical fifteen puzzle by arranging its tiles. Algebra (Pre-K–2), Algebra (3–5), Algebra (6–8), Algebra (9–12)
Fill and Pour — Solve puzzles requiring you to fill and pour containers. Measurement (3–5), Measurement (6–8), Measurement (9–12)
Fractals - Iterative — Generate six different fractals. Geometry (3–5), Geometry (6–8), Geometry (9–12)
Fractals - Koch and Sierpinski — Change colors and pause this fractal simulation at any point. Geometry (3–5), Geometry (6–8), Geometry (9–12)
Fractals - Mandelbrot and Julia Sets — Investigate relationships between these two fractal sets. Geometry (3–5), Geometry (6–8), Geometry (9–12)
Fractals - Polygonal — Change the parameters to create a new fractal. Geometry (3–5), Geometry (6–8), Geometry (9–12)
Fraction Bars — Learn about fractions using fraction bars. Number & Operations (Pre-K–2), Number & Operations (3–5)
Fraction Pieces — Work with parts and wholes to learn about fractions. Number & Operations (3–5), Number & Operations (6–8)
Fractions - Adding — Illustrates what it means to find a common denominator and combine. Number & Operations (3–5), Number & Operations (6–8), Number & Operations (9–12)
Fractions - Comparing — Judge the size of fractions and plot them on a number line. Number & Operations (3–5), Number & Operations (6–8)
Fractions - Equivalent — Illustrates relationships between equivalent fractions. Number & Operations (3–5), Number & Operations (6–8), Number & Operations (9–12)
Fractions - Naming — Write the fraction corresponding to the highlighted portion of a shape. Number & Operations (Pre-K–2), Number & Operations (3–5)
Fractions - Parts of a Whole — Relates parts of a whole unit to written description and fraction. Number & Operations (Pre-K–2), Number & Operations (3–5)
Fractions - Rectangle Multiplication — Visualize and practice multiplying fractions using an area representation. Number & Operations (3–5), Number & Operations (6–8)
Fractions - Visualizing — Illustrate a fraction by dividing a shape and highlighting the appropriate parts. Number & Operations (Pre-K–2), Number & Operations (3–5)
Function Machine — Explore the concept of functions by putting values into this machine and observing its output. Number & Operations (6–8), Algebra (6–8), Number & Operations (9–12), Algebra (9–12)
Function Transformations — Explore how simple transformations affect the graph of a function. Algebra (6–8), Algebra (9–12)
Geoboard — Use geoboards to illustrate area, perimeter, and rational number concepts. Geometry (Pre-K–2), Measurement (Pre-K–2), Geometry (3–5), Measurement (3–5), Geometry (6–8), Measurement (6–8), Geometry (9–12), Measurement (9–12)
Geoboard - Circular — Use circular geoboards to illustrate angles and degrees. Geometry (3–5), Measurement (3–5), Geometry (6–8), Measurement (6–8), Geometry (9–12), Measurement (9–12)
Geoboard - Coordinate — Rectangular geoboard with x and y coordinates. Geometry (3–5), Geometry (6–8), Geometry (9–12)
Geoboard - Isometric — Use geoboard to illustrate three-dimensional shapes. Geometry (Pre-K–2), Geometry (3–5), Geometry (6–8), Geometry (9–12)
Golden Rectangle — Illustrates iterations of the Golden Section. Geometry (3–5), Number & Operations (6–8), Geometry (6–8), Number & Operations (9–12), Geometry (9–12)
Grapher — A tool for graphing and exploring functions. Number & Operations (3–5), Algebra (3–5), Number & Operations (6–8), Algebra (6–8), Number & Operations (9–12), Algebra (9–12)
Great Circle — Use a 3D globe to visualize and measure the shortest path between cities. Geometry (6–8), Measurement (6–8), Geometry (9–12), Measurement (9–12)
Hamlet Happens — Verify that rare events happen by drawing letters from a box. Data Analysis & Probability (6–8), Data Analysis & Probability (9–12)
Histogram — Use this tool to summarize data using a histogram graph. Data Analysis & Probability (3–5), Data Analysis & Probability (6–8), Data Analysis & Probability (9–12)
How High? — Try your hand at the classic Piagetian conservation of volume test. Geometry (6–8), Measurement (6–8), Measurement (9–12)
Hundreds Chart — Practice counting and visualize number patterns using a hundreds chart. Number & Operations (Pre-K–2), Number & Operations (3–5)
Ladybug Leaf — Program a ladybug to hide behind a leaf. Geometry (Pre-K–2), Measurement (Pre-K–2), Geometry (3–5), Measurement (3–5), Geometry (6–8), Measurement (6–8)
Ladybug Mazes — Program a ladybug to move through a maze. Geometry (Pre-K–2), Measurement (Pre-K–2), Geometry (3–5), Measurement (3–5), Geometry (6–8), Measurement (6–8)
Line Plotter — Practice drawing lines through a given point having a specified slope. Algebra (6–8), Algebra (9–12)
Loan Calculator — Explore how to pay off a loan, and how interest affects payment. Data Analysis & Probability (6–8), Data Analysis & Probability (9–12)
Mastermind — Use inference and logic to play a game and guess a hidden pattern of pegs. Number & Operations (Pre-K–2), Number & Operations (3–5), Number & Operations (6–8), Number & Operations (9–12)
Money — Learn about money by counting and making change. Number & Operations (Pre-K–2), Measurement (Pre-K–2), Number & Operations (3–5), Measurement (3–5), Number & Operations (6–8), Measurement (6–8)
Number Line Arithmetic — Illustrates arithmetic operations using a number line. Number & Operations (Pre-K–2), Number & Operations (3–5)
Number Line Bars — Use bars to show addition, subtraction, multiplication, and division on a number line. Number & Operations (Pre-K–2), Number & Operations (3–5)
Number Line Bars - Fractions — Divide fractions using number line bars. Number & Operations (Pre-K–2), Number & Operations (3–5), Number & Operations (6–8)
Number Line Bounce — Number line addition and subtraction game. Number & Operations (Pre-K–2), Number & Operations (3–5), Number & Operations (6–8)
Number Patterns — Discover the pattern and complete a sequence of numbers. Number & Operations (Pre-K–2), Number & Operations (3–5)
Number Puzzles — Solve puzzles involving arranging numbers on a diagram so that they add up to a given value. Number & Operations (3–5), Number & Operations (6–8), Number & Operations (9–12)
Pascal's Triangle — Explore patterns created by selecting elements of Pascal's triangle. Number & Operations (6–8), Number & Operations (9–12), Data Analysis & Probability (9–12)
Pattern Blocks — Use six common geometric shapes to build patterns and solve problems. Algebra (Pre-K–2), Geometry (Pre-K–2), Measurement (Pre-K–2), Algebra (3–5), Geometry (3–5), Measurement (3–5), Algebra (6–8), Geometry (6–8), Measurement (6–8), Algebra (9–12), Geometry (9–12), Measurement (9–12)
Peg Puzzle — Win this game by moving the pegs on the left past the pegs on the right. Number & Operations (3–5), Number & Operations (6–8), Algebra (6–8), Number & Operations (9–12), Algebra (9–12)
Pentominoes — Use the 12 pentomino combinations to solve problems. Algebra (Pre-K–2), Geometry (Pre-K–2), Algebra (3–5), Geometry (3–5), Algebra (6–8), Geometry (6–8), Algebra (9–12)
Percent Grids — Represent, name, and explore percentages using hundreds grids. Number & Operations (3–5), Number & Operations (6–8)
Percentages — Discover relationships between fractions, percents, and decimals. Number & Operations (Pre-K–2), Number & Operations (3–5), Number & Operations (6–8), Number & Operations (9–12)
Pie Chart — Explore percentages and fractions using pie charts. Number & Operations (Pre-K–2), Data Analysis & Probability (Pre-K–2), Number & Operations (3–5), Data Analysis & Probability (3–5), Data Analysis & Probability (6–8), Data Analysis & Probability (9–12)
Pinwheel Tiling — Construct and explore a very unusual tiling of the plane by right triangles. Geometry (9–12)
Place Value Number Line — Explore place value by placing dots on number lines. Number & Operations (Pre-K–2), Number & Operations (3–5)
Platonic Solids — Identify characteristics of the Platonic Solids. Geometry (Pre-K–2), Geometry (3–5), Geometry (6–8), Geometry (9–12)
Platonic Solids - Duals — Identify the duals of the platonic solids. Geometry (3–5), Geometry (6–8), Geometry (9–12)
Platonic Solids - Slicing — Discover shapes and relationships between slices of the platonic solids. Geometry (6–8), Geometry (9–12)
Point Plotter — Practice plotting ordered pairs on a graph. Algebra (6–8), Algebra (9–12)
Polyominoes — Build and compare characteristics of biominoes, triominoes, quadrominoes, etc. Algebra (Pre-K–2), Algebra (3–5), Algebra (6–8), Geometry (6–8), Algebra (9–12), Geometry (9–12)
Pythagorean Theorem — Solve two puzzles that illustrate the proof of the Pythagorean Theorem. Geometry (6–8), Geometry (9–12)
Rational Numbers Triangle — Explore a triangular array that contains every positive rational number exactly once. Number & Operations (9–12)
Rectangle Division — Visualize and practice dividing numbers by using an area representation. Number & Operations (Pre-K–2), Number & Operations (3–5)
Rectangle Multiplication — Visualize the multiplication of two numbers as an area. Number & Operations (Pre-K–2), Number & Operations (3–5)
Rectangle Multiplication of Integers — Visualize and practice multiplying integers using an area representation. Number & Operations (Pre-K–2), Number & Operations (3–5)
Right Triangle Solver — Practice using the Pythagorean theorem and the definitions of the trigonometric functions to solve for unknown sides and angles of a right triangle. Geometry (9–12)
Savings Calculator — Explore how savings, with or without regular deposits, grow over time. Data Analysis & Probability (6–8), Data Analysis & Probability (9–12)
Scatterplot — Plot multiple data points in two dimensions and determine correlation. Data Analysis & Probability (6–8), Data Analysis & Probability (9–12)
Sieve of Eratosthenes — Relate number patterns with visual patterns. Number & Operations (Pre-K–2), Number & Operations (3–5), Number & Operations (6–8), Number & Operations (9–12)
Space Blocks — Create and discover patterns using three dimensional blocks. Geometry (Pre-K–2), Algebra (3–5), Geometry (3–5), Algebra (6–8), Geometry (6–8), Geometry (9–12)
Spinners — Work with spinners to learn about numbers and probabilities. Number & Operations (Pre-K–2), Data Analysis & Probability (Pre-K–2), Data Analysis & Probability (3–5), Number & Operations (6–8), Data Analysis & Probability (6–8), Data Analysis & Probability (9–12)
Stick or Switch — Investigate probabilities of sticking with a decision, or switching. Algebra (6–8), Data Analysis & Probability (6–8), Algebra (9–12), Data Analysis & Probability (9–12)
Tangrams — Use all seven Chinese puzzle pieces to make shapes and solve problems. Geometry (Pre-K–2), Number & Operations (3–5), Geometry (3–5), Measurement (3–5), Number & Operations (6–8), Geometry (6–8), Measurement (6–8), Geometry (9–12)
Tessellations — Using regular and semi-regular tessellations to tile the plane. Geometry (Pre-K–2), Geometry (3–5), Geometry (6–8), Geometry (9–12)
Tight Weave — Visualize the creation of the Sierpinski Carpet, an iterative geometric pattern that resembles a woven mat. Number & Operations (6–8), Geometry (6–8), Number & Operations (9–12), Geometry (9–12)
Time - Analog and Digital Clocks — Interactively set the time on a digital and analog clocks. Measurement (Pre-K–2), Measurement (3–5)
Time - Match Clocks — Answer questions asking you to show a given time on digital and analog clocks. Measurement (Pre-K–2), Measurement (3–5)
Time - What Time Will It Be? — Answer questions asking you to indicate what time it will be before or after a given time period. Measurement (Pre-K–2), Measurement (3–5), Measurement (6–8)
Towers of Hanoi — Solve the tower problem and test your theory by varying the number of disks. Algebra (3–5), Algebra (6–8), Algebra (9–12)
Transformations - Composition — Explore the effect of applying a composition of translation, rotation, and reflection transformations to objects. Geometry (3–5), Geometry (6–8), Geometry (9–12)
Transformations - Dilation — Dynamically interact with and see the result of a dilation transformation. Geometry (3–5), Geometry (6–8), Geometry (9–12)
Transformations - Reflection — Dynamically interact with and see the result of a reflection transformation. Geometry (Pre-K–2), Geometry (3–5), Geometry (6–8), Geometry (9–12)
Transformations - Rotation — Dynamically interact with and see the result of a rotation transformation. Geometry (Pre-K–2), Geometry (3–5), Geometry (6–8), Geometry (9–12)
Transformations - Translation — Dynamically interact with and see the result of a translation transformation. Geometry (Pre-K–2), Geometry (3–5), Geometry (6–8), Geometry (9–12)
Triangle Solver — Practice using the law of sines and the law of cosines to solve for unknown sides and angles of a triangle. Geometry (9–12)
Triominoes — Manipulate the puzzle pieces and find multiple solutions. Algebra (Pre-K–2), Geometry (Pre-K–2), Algebra (3–5), Geometry (3–5), Algebra (6–8), Geometry (6–8)
Turtle Geometry — Explore numbers, shapes, and logic by programming a turtle to move. Geometry (Pre-K–2), Geometry (3–5), Number & Operations (6–8), Geometry (6–8), Number & Operations (9–12), Geometry (9–12)
Turtle Rectangles — Change variables to observe differences in spiral designs. Algebra (Pre-K–2), Algebra (3–5)
Venn Diagrams — Investigate common features of sets. Number & Operations (3–5), Number & Operations (6–8), Number & Operations (9–12)
Whammy Awards — See how using different voting schemes can result in contradictory outcomes. Data Analysis & Probability (9–12)
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