Do Now 9/9/11 Copy HW in your planner. Copy HW in your planner.  Text p. 9 & 10, #8-32 evens, #43-45 all In your journal, simplify the following expression.

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Do Now 9/9/11 Copy HW in your planner. Copy HW in your planner.  Text p. 9 & 10, #8-32 evens, #43-45 all In your journal, simplify the following expression. Explain your thought process. In your journal, simplify the following expression. Explain your thought process x x 3

Evaluate the Expression x = x 3 = x 3 = =

Objective SWBAT use the order of operations to simplify numerical expressions.

Numerical expression consists of numbers and operations (10) ÷ 2 Section 1.1, Order of Operations

Order of Operations – the rules established to simplify an expression involving more than one operation (4 + 7 · 6)² 10 ÷ 2 · 6

1 3 4 PEMDAS 2 Order of Operations Perform operations within grouping signs. ( ) parentheses, [ ] brackets, fraction bars Evaluate powers. Multiply and divide in order from left to right. Add and subtract in order from left to right.

Simplify the Expression PEMDAS · 4

Simplify the Expression PEMDAS 9 · ÷ 2 · 4

POWER the result of repeated multiplication of the same factor 3 4 BASE EXPONENT Repeated Multiplication (Factors) Words three to the three to the fourth power Remember this???

Simplify the Expression PEMDAS · ² · 3

Simplify the Expression PEMDAS 12 – Grouping symbol (14 + 6) ÷ (12 – 7) 20 ÷ 5 4

Simplify the Expression [2 x (4 + 4)] + 3 PEMDAS [2 x 8] ³ ³ ³

Simplify the Expression [(4 +12 ÷ 4) – 2] PEMDAS [(4 + 3) – 2] [7 – 2] 125 ³ ³ ³ 5 ³

What Did We Learn Today? Numerical expression POWER EXPONENT BASE PEMDAS Order of Operations

Text p. 9 & 10, #8-32 evens, #43-45 all Homework Scavenger Hunt