1. I can
USE THE ORDER OF OPERATIONS
USE GROUPING SYMBOLS

2. 1. 2 – Order of Operations Which of the two answers is the correct one
1.2 – Order of Operations Which of the two answers is the correct one? x 2 = x 2 = 8 x 2 = =

3. HOW DO I KNOW WHICH ONE IS CORRECT?
Use Order of Operations.
1. Grouping Symbols – ( ) { } [ ] PARENTHESES
2. Simplify Powers EXPONENTS
3. Multiply OR Divide from left to right MULT/DIVIDE
4. Addition OR Subtraction from left to right ADD/SUB

4. Please Excuse My Dear Aunt Sally

5. Now try to evaluate this expression
3 + 6 – 4 x 2 = – 4 x 2 9 – 4 x 2 = – 8 =
5 x 2 = – 8 =

6. Example 1 – Simplify – 14 * 3

7. Example 2 – 3(8 + 6) ÷ (42 – 10)

8. IF you have multiple grouping symbols, do the INNER most 1st.

9. 4[(2 + 9) + (15 ÷ 3)]

10. LET’S TRY SOME ON OUR OWN. WE WILL USE THE DRY ERASE BOARDS.

11. HOMEWORK ASSIGNMENT: 1.2 16 – 30, 36 - 39