Annenberg Foundation
Annenberg Learner: Constructing Triangles
Use a "linkage strip" to build triangles with different side lengths. When you build a triangle, see if you can deform it into a different triangle while keeping the side lengths the same.
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Annenberg Learner: Creating a Line Plot
Watch as a physical stack of coins is added as a series of dots to a line plot.
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Annenberg Learner: Drawing a Box Plot
Learn how to represent the Five-Number Summary graphically using a box plot.
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Annenberg Learner: Equivalent Expressions
Determine if nine mathematical expressions are equivalent to 20. Then match the equivalent expressions to corresponding word problems.
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Annenberg Learner: From Corner to Corner
Measure the lengths and diagonals of three squares with a ruler. Look over your measurements and try to come up with a rule of thumb for estimating the length of a diagonal if you know the length of a side.
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Annenberg Learner: Geometry: Circles: Inscribed Angles
Study inscribed angles in semicircles and quarter-circles. What conjectures can you make about the measure of an inscribed angle in semi- or quarter-circles?
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Annenberg Learner: Analyzing Binomial Probabilities
A tree diagram is a helpful tool for determining theoretical or mathematical probabilities. Toss a coin and watch as branches represent a toss of either head or tails.
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Annenberg Learner: Characters
Learn about the different types of characters in Cinderella, and determine which traits belong to the hero and villain. Click on the "Character" button.
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Annenberg Learner: Grade 4 Spelling Bee
Read and listen to stories with some words missing. Fill in the missing words, see how many words you spelled correctly, and get corrections for the ones you missed.
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Annenberg Learner: Grade 5 Spelling Bee
Read and listen to stories with some words missing. Fill in the missing words, see how many words you spelled correctly, and get corrections for the ones you missed.
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Annenberg Learner: Civil Liberties Recap: You Be the Judge
How well can you decide the balance of civil liberties? Review three case summaries as well as the laws and facts about each case and arguments, and then make a ruling.
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Annenberg Learner: Running a Function Machine
The connected machine is a single function that takes an input, runs it through the network inside and produces an output. You control a network of function machines along with the input and the operation performed by each machine to...
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Annenberg Learner: Organizing Data in a Stem and Leaf Plot
A stem and leaf plot is a graphical representation for investigating variation. You will convert an ordered stem and leaf display grouped by tens into an ordered display grouped by fives.
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Annenberg Learner: Reasoning About Fractions
Apply the reasoning and proof standard to a problem based on the Fraction Tracks game. Students practice building fractions by combining fraction pieces.
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Annenberg Learner: Geometry 3 D Shapes
Learn about several three-dimensional geometric shapes and the terminology used to describe them. Learn how to calculate their surface area and volume, and explore their mathematical properties.
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Annenberg Learner: Us History Map Assessment: Test Your Skills
Test how much you know about major U.S geographic features, Indian tribes, states and regions, European colonists and territorial expansion. View your correct and incorrect answers, and print out your assessment.
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Annenberg Learner: Converting English Lengths
Practice converting lengths from one British unit to another. Use your calculator if you need to.
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Annenberg Learner: Converting English Mass Units
Practice converting mass from one British unit to another. Use your calculator if you need to.
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Annenberg Learner: Converting Metric Mass Units
Practice converting mass from one metric unit to another. Use your calculator if you need to.
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Annenberg Learner: Converting Metric Volume
Practice converting volume from one metric unit to another. Use your calculator if you need to.
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Annenberg Learner: Which Famous Cathedral Collapsed?
After looking at four photos of cathedrals, try to choose which one fell and see if you can determine, from the pictures, why it might have collapsed.
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Annenberg Learner: Colliding Cars
Try to predict what will happen in three different bumper car collisions. For each collision, you'll be shown two possible outcomes.
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Annenberg Learner: Sampling the Electorate
As the pollster for candidate Higgins, you need to know how she is faring with different groups. Read her political profile, view the demographic profile of the city, decide on the groups to poll, review the results and learn about...
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Annenberg Learner: Cast Your Vote!
Cast your vote and answer some questions on the accuracy, usefulness, and impact of polls. Then read about what role polls play in an election.