chapter one number system

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Across
  1. 4. a fraction represents a part of a whole or, more generally, any number of equal parts.
  2. 5. numbers, an integer is colloquially defined as a number that can be written without a fractional component.
  3. 7. number, a rational number is a number that can be expressed as the quotient or fraction p/q of two
  4. 8. Pythagoras theorem states that in a right-angled triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.
  5. 10. numbers, real number is a value of a continuous quantity that can represent a distance along a line.
Down
  1. 1. an arithmetic value used for representing the quantity and used in making calculations.
  2. 2. numbers, the real numbers that cannot be represented as a simple fraction.
  3. 3. whole-valued positive or negative number or 0
  4. 6. numbers, the natural numbers are those numbers used for counting and ordering.
  5. 9. root, a number that produces another particular number when it is multiplied by itself.