Students must be able to describe the purpose and meaning of the parentheses and brackets in a numeric expression.
Vanessa’s parents like to ask her about what she is learning in her math class. Recently, they gave her the following problem and asked her to tell them what the parentheses and brackets meant. If you were Vanessa, what would you tell her parents? Explain your thinking.
8 x [2.5 + 12 – (3 + 4)] - 6