### 9A Aim 0 - PEMDAS.notebook

```9A Aim 0 ­ PEMDAS.notebook
Aim # 0: How do we apply the order of operations to algebraic expressions?
Do Now: What does PEMDAS stand for?
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Simplify the following:
1. 12 + 8 ÷ 4
2. (12 + 8) ÷ 4
3. (4 x 3)2
4. 4 x 32
5. 18 ‐ (4 + 3)
6. 18 ‐ 4 + 3
7. 6 + 4 .8 ‐ 3
8.
15 ‐ 10 ÷ 5 . 2 + 4
What is the difference between (‐3) 2 and ‐3 2 ???
Evaluate the following:
1. 42
2. ‐42
3. (‐4)2
4. (4)2
9A Aim 0 ­ PEMDAS.notebook
Evaluate the following
b. √16
a. √25
c. ‐ √64
d. 3 √ 100
c. 2|‐3|
d. ‐5|‐20|
e. ‐2 √49
Evaluate the following
b. |‐5.7|
a. |3|
Simplify each of the following
1. 6(1 + √16) ‐ 4. 8
2. (2. 33) ÷ (3√4 )
3. 3(‐4) ‐ (2 + ‐4 )
4. ‐2(5) + 8. 2 ‐ 2√25
5. 8|32 ‐ 16| ÷ 4
6. 7(52 ‐ 2 . 11) ÷ 3 + 8
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9A Aim 0 ­ PEMDAS.notebook
1. Which choice demonstrates the correct way to evaluate 6 + 4 . 8 ‐ 3?
A. (6 + 4) . (8 ‐ 3)
C. [(6 + 4) . 8] ‐ 3
B. [6 + (4 . 8)] ‐ 3
D. 6 + [4 . (8 ‐ 3)]
2. Which of the following expressions is equivalent to 23 + 16 ÷ 4 + 4?
A. [23 + 16] ÷ (4 + 4)?
C. 23 + [16 ÷ (4 + 4)]
B. [(23 + 16) ÷ 4] + 4
D. [23 + (16 ÷ 4)] + 4
Let's sum it up!!!
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When dealing with exponents, it makes
a big difference if a ______________ sign
is inside parentheses or not.
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