The Shape of Math to Come! Math Arrow Poster (24"x36") is perfect for a classroom... The Math Arrow is a patented matrix conveying number sense to kids, making addition and subtraction more intuitive. The Mathematical Association of America asks whether the Math Arrow will replace the number line; the inventor of the cellphone calls it "ingenious." Sproglit uses neuro-scientific principles to teach math. The Math Arrow is a matrix designed to make the relationship among numbers more intuitive and to enhance the learning of mathematical functions. Unlike a number line, which extends horizontally and infinitely, the Math Arrow aligns numbers in a parallel zigzag design. The Math Arrow has a number of unique characteristics that allow users to detect patterns in the relationship of numbers. Among them are: • The zigzag pattern creates nodes for numbers that are divisible by 5 and 10 • Odd numbers are designated by triangles, except for numbers divisible by 5, which are displayed as pentagons • Even numbers are displayed as quadrilaterals or circles • Each number horizontally across from each other adds to 100 • On the left hemisphere of the Math Arrow, each number has a vertical correspondent that adds to 50 • On the right hemisphere of the Math Arrow, each number has a vertical correspondent that adds to 150 • The zigzag pattern creates a unique shape with triangles, squares and rectangles, allowing users to apply geometrical formuli such as the area of shapes and the calculation of angles
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