Expressions Seeing Structure in Expressions

Number Tricks and Expressions


Comment on anything, but note the parentheses.


3 replies on “Number Tricks and Expressions”

It seems evident to me that the student interpreted the problem statement phrases in sequential fashion, putting the arithmetic operations in the correct order. *HOWEVER*, once they completed writing the numbers and operations, in the correct order, they then put parentheses in as though what they’d written was to be evaluated via the *ORDER OF OPERATIONS*. What we should have seen was: (((b – 3) X 10) – 30) / 10

How wrong is the answer? It depends on the way you interprete the question, if this answer is right or wrong.

Comments are closed.