Ask your students to turn and talk about how it changed the problem. Hands-on experiences giving children a choice in how they solve problems reflecting on math work by writing and talking teaching math primarily through problem solving and adequate practice and review. 9 - 5 8 - 3 x 2 6 For this problem you must calculate the operation within the parentheses firsteven if its an operation that would normally come after the other operations in the problem.
But within the parentheses we have multiplication and addition and we have to remember that we do the multiplication first.
Adding and subtracting is the LAST step in a calculation. Brackets and braces have the same function as parentheses. They are all grouping symbols. E - no exponents to evaluate inside the parentheses.