Chapter 2 Vocabulary

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Across
  1. 2. A number that consists of an integer (whole number) and a fraction.
  2. 4. Represents numerical information in a visual form. The numbers may come from a table, situation or rule.
  3. 5. The set of positive and negative whole numbers, including zero.
  4. 6. The point on a graph where the x-axis and y-axis intersect. This point is at the ordered pair or coordinate (0,0).
  5. 8. The horizontal number line on a graph. This goes from left to right.
  6. 9. A mathematical sentence that has an equal sign between two expressions that tells us both sides are equal.
  7. 11. Two numbers written in order as follows: (x,y). These can help us locate or plot points on a graph.
  8. 12. Numbers that can be expressed as a fraction. Rational numbers include positive and negative whole numbers, fractions and decimals.
Down
  1. 1. A fraction in which the numerator is greater than the denominator. This gives us a value greater than 1 whole.
  2. 3. A combination of individual terms separated by plus or minus signs.
  3. 7. The vertical number line on a graph. This goes up and down.
  4. 10. The distance a number is from zero. 5 and -5 have the same absolute value which is 5 units from zero. Absolute value is indicated by two vertical lines around a number.