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Numbers - PowerPoint PPT Presentation


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Numbers. Free powerpoints at http://www.worldofteaching.com. Perfect Square. Squares of whole numbers. Square root. One of two equal factors of a number. If a squared equals b then a is the square root of b . The square root of 144 is 12 because 12 squared is 144. Radical Sign.

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numbers

Numbers

Free powerpoints at http://www.worldofteaching.com

perfect square
Perfect Square
  • Squares of whole numbers
square root
Square root
  • One of two equal factors of a number. If a squared equals b then a is the square root of b. The square root of 144 is 12 because 12 squared is 144.
radical sign
Radical Sign
  • The sign used to represent a nonnegative square root.
principle square root
Principle Square Root
  • A nonnegative square root
irrational number
Irrational Number
  • Numbers that cannot be expressed as a/b.
real number
Real Number
  • Irrational numbers together with rational numbers to form the set of all numbers.
natural numbers
Natural Numbers
  • 1, 2, 3, 4...
whole numbers
Whole Numbers
  • 0, 1, 2, 3, 4, 5...
integers
Integers
  • The whole numbers and their opposites.
  • ...-3, -2, -1, 0, 1, 2, 3...
rational numbers
Rational Numbers
  • Any number that can be expressed in the form a/b where a and b are integers and b is not equal to 0.