Chapter 23

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Across
  1. 2. a mathematical statement in which the two mathematical expressions are equal
  2. 5. rules that determine the sequence of mathematical calculations
  3. 8. to present values in their basic, most easily understood form
  4. 9. groups of numbers, symbols or variable which show the value of something
  5. 10. a symbol or letter used to represent an unknown number or value
  6. 11. a fixed value that may be represented by a number, letter or symbol
  7. 12. numbers or variables multiplied together
Down
  1. 1. a diagram used too describe a process or operation
  2. 3. the number used to multiply a variable
  3. 4. to use mathematical symbols to write a fact or rule
  4. 6. to put numbers in place of letters to simplify or solve expressions or equations
  5. 7. a branch of math that substitutes letters and symbols for numbers in equations and formulae