Squares Square Roots and Cubes

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Published on July 8, 2009

Author: bsndev

Source: authorstream.com

Squares, Square Roots and Cubes : Squares, Square Roots and Cubes Slide 2: Squaring a number 42 is an example of a squared number. To square a number, you need to multiply the number by itself That will look like: 4 x 4 = 16 Slide 3: Geometrically it looks like Squaring a number 4 4 Slide 4: Squaring a number Other examples: 52 ? 5 x 5 = 25 72 ? 7 x 7 = 49 92 ? 9 x 9 = 81 Slide 5: Square Roots are the opposite of squaring a number. This symbol is called the radical symbol or square root symbol. Slide 6: Square roots Other examples: Slide 7: Cubing a number 43 is an example of a cubed number. To cube a number, you need to multiply the number by itself three times That will look like: 4 x 4 x 4= 64 Slide 8: Geometrically it looks like Cubing a number 4 4 4 Slide 9: Cubing a number Other examples: 53 ? 5 x 5 x 5 = 125 73 ? 7 x 7 x 7 = 343 93 ? 9 x 9 x 9 = 729

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