The document provides a math problem to solve using the order of operations: 6 + 3 ( 5-2) * 4 - 7. Mr. Z solved the problem as 9(5 – 2) * 4 – 7, 9(3)*4 – 7, 27*4 – 7, 108 – 7, resulting in 101. The summary asks if Mr. Z made a mistake and if so, to find the mistake and redo the problem with the correct order of operations.

1. Name: Do Now – 9/21/2011
Directions: Study the problem below. Did Mr. Z make a mistake? If he did, find
the mistake and redo the problem using the correct order of operations.
1) 6 + 3 ( 5-2) * 4 - 7
9(5 – 2) * 4 – 7
9(3)*4 – 7
27*4 – 7
108 – 7
101