Algebra I. Lesson 2
Rational Numbers (High School)

Problems 2-3
Answer Key

Problems  (click HERE for a printer-friendly version)

Directions: Complete the problems below. Consult the Answer Key below for answers once you finish. Review the Instruction material which relates to any questions you do not get correct.

Find a number between the given numbers below. Put your answer in fraction form.

  1. _____
     
  2.   _____
     

Simplify the expressions below:

  1.       _____
     
  2.       _____
     
  3.       _____

Find the sum:

  1. 4|(-5 + 2)|2 + (-72) _____

Answer Key (click HERE for a printer-friendly version) (top) 

  1.   This is only one example of a number between the two numbers given. Begin by putting each number into decimal form: becomes (note: the line above the two numbers indicates a repeating decimal) and becomes 1.85714 . . .Any decimal between the two is an answer to this question. The number one is an answer to this question. So is 0.5 or , so is 0.6 or . is yet another answer to this problem.
     
  2.   Since is - 0.6 and is -.6476 . . ., I would tend to look for a simpler answer, such as -.65 or . Again, the answer given is correct, but it must be stressed that it is only one of many correct answers.


     
  3.  
     
  4. -2
     
  5. 15
     
  6. -36

  

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