Aug 26-30 Day 1

How do parentheses change our steps with working a problem using the order of operations?

Put your answer in the chat!

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Order of Operations with parentheses

10 - 7 + 2

1. work from LEFT TO RIGHT when you are left with only addition and subtraction!
3 + 2
2. Solve what is left!
5

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​I do/We do

​How would this problem change if I add a set of parentheses?

10 - (7 + 2)

10 - (9)

1

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​You do

​1. Start in the parentheses. Add 7 and 2.
2. Subtract. 10-9

Multiple Choice

$$\left(12\div4\right)-1$$

• 2

• 15

• 4

• 7

Multiple Choice

Where can I put a set of parentheses ( ) in this expression to make the expression equal 5? $$12\ +\ 8\ \div4$$

• Around the 8 divided by 4

• Do not put any parentheses in the expression. It equals 5.

• Around 12 + 8

• around the entire expression

​Why is it important to do the parentheses FIRST in an expression?

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