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