Evaluate Expressions

Evaluate Expressions

Work Time

Evaluate Expressions

Read the problem and copy it into your notebook.

Carlos and Martin had different results for the same expression.

  • Do you agree with Carlos or Martin? Explain your reasons using words and a diagram.
  • Add parentheses to Carlos’s and Martin’s work to make both equations true.

     

Challenge Problem

Add parentheses to this expression so that it has a result of 68.

Hint:

  • In what order did Carlos complete the operations to get his result?
  • In what order did Martin complete the operations to get his result?
  • What are the rules for order of operations?