1. Order of Operations

2. Warm Up
1) ) 9 x ) ) 20 ÷ 4 + 6

3. Order of Operations What do we know?- +
Order of Operations What do we know? x ÷

4. PEMDAS Multiplication Parentheses Addition Exponents Subtracting
Division

6. Important Terms
A mathematical phrase that contains only numbers and operations is called a numerical expression.
To evaluate a numerical expression, you find its value.
You can use the order of operations to evaluate a numerical expression.

7. Evaluate each expression.

8. Evaluate
B. 4*

9. Evaluate
C ÷ (1 + 3) *

10. NOW IT’S YOUR TURN!
A) 15 – 10 ÷ 2 B) ÷ 2 +6 * 32 C) 3 + (4 + 7) + 22

11. IN PAIRS!
5 * 3 +8 * 2 31

12. Closure:
How would I evaluate this numerical expression?
5 – 6 ÷ * 4