National Library of Virtual Manipulatives

The following resources (for Grades 6-8) found through the Utah State University website the National Library of Virtual Manipulatives are approved for use. There is no sign-in & password requirement for the use of the website. Click here to read some frequently asked questions.

Numbers and Operations

• Abacus – An electronic abacus that can be used to do arithmetic.
• Base Blocks Subtraction – Use base ten blocks to model separation of groups in subtraction.
• Base Blocks Decimals – Add and subtract decimal values using base blocks.
• Diffy – Solve an interesting puzzle involving the differences of given numbers.
• Factor Tree – Factor numbers using a tree diagram.
• Grapher – A tool for graphing and exploring functions.
• Peg Puzzle – Win this game by moving the pegs on the left past the pegs on the right.
• Tangrams – Use all seven Chinese puzzle pieces to make shapes and solve problems.
• Venn Diagrams – Investigate common features of sets.

Algebra

• AFunction Machine – Explore the concept of functions by putting values into this machine and observing its output.
• Algebra Balance Scales – Negatives – Solve simple linear equations using a balance beam representation.
• Grapher – A tool for graphing and exploring functions.
• Pentominoes – Use the 12 pentomino combinations to solve problems.
• Function Machine – Explore the concept of functions by putting values into this machine and observing its output.
• Polyominoes – Build and compare characteristics of biominoes, triominoes, quadrominoes, etc.
• Stick or Switch – Investigate probabilities of sticking with a decision, or switching.

Geometry

• Attribute Trains – Learn about shape and color patterns of by completing trains of blocks.
• How High? – Try your hand at the classic Piagetian conservation of volume test.
• Tessellations – Using regular and semi-regular tessellations to tile the plane.
• Transformations – Rotation – Dynamically interact with and see the result of a rotation transformation.
• Transformations – Reflection – Dynamically interact with and see the result of a reflection transformation.
• Turtle Geometry – Explore numbers, shapes, and logic by programming a turtle to move.

Measurement

• Converting Units – Use a simple system for converting units.
• Fill and Pour – Solve puzzles requiring you to fill and pour containers.
• Great Circle – Use a 3D globe to visualize and measure the shortest path between cities.
• Money – Learn about money by counting and making change.
• Time – What Time Will It Be? – Answer questions asking you to indicate what time it will be before or after a given time period.

Data Analysis & Probability

• Bar Chart – Create a bar chart showing quantities or percentages by labeling columns and clicking on values.
• Coin Tossing – Explore probability concepts by simulating repeated coin tosses.
• Histogram – Use this tool to summarize data using a histogram graph.
• Pie Chart – Explore percentages and fractions using pie charts.
• Savings Calculator – Explore how savings, with or without regular deposits, grow over time.
• Scatterplot – Plot multiple data points in two dimensions and determine correlation.
• Spinners – Work with spinners to learn about numbers and probabilities.
• Stick or Switch – Investigate probabilities of sticking with a decision, or switching.

Fun Brain . Com

FunBrain.Com offers many different kinds of practice in a variety of subject areas.

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