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Arcs & Sectors |
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Middle-School (grades 5 through 9) math program written to provide skills in context. Given the radius or diameter of a circle, and the measure of a central angle, students must find the following: the area of the circle; the area of the sector defined by the central angle; the circumference of the circle; the length of the arc defined by the central angle. All answers are rounded to the nearest hundredth.
middle school grades diameter of a circle central angle circumference of the circle |
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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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Graphing Functions |
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Middle-School (grades 5 through 9) math program written to provide skills in context. Students find and plot solutions to parabolas, hyperbolas, and absolute value functions using an on-screen Cartesian plane and five moveable points.
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Slot Machine Clinic |
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Middle-School (grades 5 through 9) math program written to provide skills in context. Students calculate the probability of three different types of outcomes on a slot machine: three apples, at least one apple, or no apples.
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Box & Whiskers Drill |
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Middle-School (grades 5 through 9) math program written to provide skills in context. Students use sets of data to construct on-screen box and whisker plots.
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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."
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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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Writing Numbers Part 2 |
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Middle-School (grades 5 through 9) math program written to provide skills in context. Given the English language version of a number (e.g. one thousand sixty-five and nine tenths) students must type in the numeral (e.g. 1065.9).
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Fraction Puzzles |
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Middle-School (grades 5 through 9) math program written to provide skills in context. The program shows a series of 150 preset problems. Each problem has a blank, sectioned square and a given fraction goal. Students must shade the square to match the given fraction. The program allows students to draw lines on the screen, and to shade certain fractional parts.
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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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Number Line |
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Middle-School (grades 5 through 9) math program written to provide skills in context. Students locate points on a number line. Problems deal with fractions, decimals, square roots, and/or absolute values.
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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.
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Evaluating Crossnumber Puzzles |
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Middle-School (grades 5 through 9) math program. Students solve crossnumber puzzles by evaluating simple expressions. Program uses only positive integers.
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