7A - Chapter 1 Review

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Across
  1. 3. vertical number line in the coordinate system
  2. 8. find the numerical value of an expression
  3. 10. way in which numbers are grouped when added or multiplied; does not change the sum or product
  4. 11. a branch of mathematics dealing with symbols
  5. 14. measure of variation that is the difference between the least and the greatest values in a set of data
  6. 15. second number in an ordered pair
  7. 17. statements that are true for any number
  8. 18. first number of an ordered pair
  9. 21. point where number lines intersect on a coordinate plane
  10. 22. mathematical sentence containing and equal sign
  11. 23. order in which numbers are added or multiplied does not change the sum
  12. 24. multiply a sum by a number, multiply each addend by the number outside the parentheses
Down
  1. 1. formed by the intersection of two number lines that meet at right angles at zero points
  2. 2. x coordinate of a point where a graph crosses the x axis
  3. 4. numbers and operations such as addition, subtraction, multiplication and division
  4. 5. an expression that contains sums and/or products of variables and numbers
  5. 6. placeholder for any value
  6. 7. horizontal number line in the coordinate system
  7. 9. rules to use if more than one operation is used in an expression (PEMDAS)
  8. 12. set of ordered pairs
  9. 13. the set of all x-coordinates from each pair
  10. 16. one name for the coordinate system
  11. 19. two numbers that locate any point on a coordinate plane
  12. 20. y coordinate of a point where a graph crosses the y-axis