Unit 1 Number Systems

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Across
  1. 2. to add, to subtract, to multiply, to divide
  2. 4. a number that can be expressed as a ratio of two integers
  3. 5. all whole numbers and their opposites and zero
  4. 7. a mathematical sentence that contains an equal sign
  5. 8. a decimal whose digits repeat in groups of one or more
Down
  1. 1. reducing it to the fewest terms necessary
  2. 3. a decimal whose digits end
  3. 6. a mathematical expression that has a combination of numbers and at least one operation
  4. 9. to find the value of an expression by working it out.