Pre-Algebra Ch 1

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Across
  1. 2. The number corresponding to a point on a number line or an ordered pair (x, y) that corresponds to a point in a two-dimensional coordinate system.
  2. 5. A letter or symbol used to represent an unknown number.
  3. 7. Does not rely on the value of another quantity
  4. 8. The middle number of an ordered set of data. If there is no distinct middle, then the average of the two middle numbers.
  5. 9. A rate with a denominator of one when simplified. _______ rate.
  6. 11. The set of numbers {..., -3, -2, -1, 0, 1, 2, 3, ...}
  7. 12. When one quantity's value depends on one or more others.
Down
  1. 1. The point on a coordinate plane where the x-axis and y-axis intersect. The point has coordinates (0, 0)
  2. 3. An equation stating that two ratios (fractions) are equal.
  3. 4. The distance around a figure on a flat surface.
  4. 6. The number of square units needed to fill up a region on a flat surface.
  5. 10. Also known as the "average". One of way of defining the "middle" of the numbers.