I can USE THE ORDER OF OPERATIONS USE GROUPING SYMBOLS

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? 3 + 5 x 2 = 3 + 5 x 2 = 8 x 2 = 3 + 10 = 16 13

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

Please Excuse My Dear Aunt Sally

Now try to evaluate this expression 3 + 6 – 4 x 2 = 3 + 6 – 4 x 2 9 – 4 x 2 = 3 + 6 – 8 = 5 x 2 = 9 – 8 = 10 1

Example 1 – Simplify 32 + 62 – 14 * 3

Example 2 – 3(8 + 6) ÷ (42 – 10)

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

4[(2 + 9) + (15 ÷ 3)]

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

HOMEWORK ASSIGNMENT: 1.2 16 – 30, 36 - 39