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Angle Doubling |
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Middle-School (grades 5 through 9) math program written to provide skills in context. Students write and solve simple algebra problems, then manipulate the vertices of an on-screen triangle so that it matches given information about its angles. Sample problem: "Make triangle ABC so that mCBA = 30° and the mBAC is twice the mBCA."
middle school grades triangle abc algebra problems math program |
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$1.64 Puzzle |
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Middle-School (grades 5 through 9) math program written to provide skills in context. Students must place four quarters, four dimes, four nickels, and four pennies on a 4 by 4 grid so that the rows and columns sum to given values. The program generates hundreds of problems on two levels of difficulty.
middle school grades math program nickels dimes |
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Percent-O-Rama |
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Middle-School (grades 5 through 9) math program written to provide skills in context. Students use mental math and proportional thinking to find common percentages (10% 5% 1% 15%, etc.) of a given number.
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Adding Three Fractions |
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Middle-School (grades 5 through 9) math program written to provide skills in context. Students choose one of two types of problems: ruler fractions (halves, fourths, eighths, sixteenths) or regular fractions. Students must add the given three fractions. Every problem is illustrated with an interactive sketch.
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Fraction Tiles |
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Middle-School (grades 5 through 9) math program written to provide skills in context. Students are shown eight fraction representations and must choose three that add up to a given sum. Fractions are halves, fourths, and eighths.
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Mosquito |
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Middle-School (grades 5 through 9) math program written to provide skills in context. Students use coordinate graphing to guide a moving dot through a series of mazes. Think: coordinate graphing pinball.
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Chase |
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Middle-School (grades 5 through 9) math program written to provide skills in context. Students are shown a Cartesian plane across which a small dot moves. Students try to "capture" the dot by typing in its current or anticipated coordinates.
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Integer Balance Beam Puzzles |
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Middle-School (grades 5 through 9) math program written to provide skills in context. Students balance a beam by using positive and negative weights.
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