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Download - Do Now 1.) 1.89 + 2 2.) 4.5 – 1.34 3.) 6.1 × 0.3 1.) 3.892.) 3.163.) 1.83

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Page 1: Do Now 1.) 1.89 + 2 2.) 4.5 – 1.34 3.) 6.1 × 0.3 1.) 3.892.) 3.163.) 1.83

Do Now

1.) 1.89 + 2 2.) 4.5 – 1.34 3.) 6.1 × 0.3

1.) 3.89 2.) 3.163.) 1.83

Page 2: Do Now 1.) 1.89 + 2 2.) 4.5 – 1.34 3.) 6.1 × 0.3 1.) 3.892.) 3.163.) 1.83

11/1/2013 Order of Operations

Page 3: Do Now 1.) 1.89 + 2 2.) 4.5 – 1.34 3.) 6.1 × 0.3 1.) 3.892.) 3.163.) 1.83

Simply/ Evaluate = Solve

• Order of operations- the order in which to solve problems with many operations

• PEM/DA/S

Page 4: Do Now 1.) 1.89 + 2 2.) 4.5 – 1.34 3.) 6.1 × 0.3 1.) 3.892.) 3.163.) 1.83

P E M D A S D UD B

TRACT

XPONENTS

U IL VT II DP ELY

ARANTHESES

Page 5: Do Now 1.) 1.89 + 2 2.) 4.5 – 1.34 3.) 6.1 × 0.3 1.) 3.892.) 3.163.) 1.83

Add +

Subtract -

Multiply x

Divide

Please Excuse My Dear Aunt Sally

PEMDAS

Parentheses ( )

Exponents 43

Page 6: Do Now 1.) 1.89 + 2 2.) 4.5 – 1.34 3.) 6.1 × 0.3 1.) 3.892.) 3.163.) 1.83

Ex. 1 3+23- (9+1)

3+23- 10

3+8-10

11-10

1

Page 7: Do Now 1.) 1.89 + 2 2.) 4.5 – 1.34 3.) 6.1 × 0.3 1.) 3.892.) 3.163.) 1.83

Ex. 23 (9+1) + 62

3(10)+62

3(10)+36

30+36

66

Page 8: Do Now 1.) 1.89 + 2 2.) 4.5 – 1.34 3.) 6.1 × 0.3 1.) 3.892.) 3.163.) 1.83

Ex. 34+5 x (6-2)

4+5 x 4

4+20

24

Page 9: Do Now 1.) 1.89 + 2 2.) 4.5 – 1.34 3.) 6.1 × 0.3 1.) 3.892.) 3.163.) 1.83

Create an expression using multiple operations

Switch with your neighbor.

Page 10: Do Now 1.) 1.89 + 2 2.) 4.5 – 1.34 3.) 6.1 × 0.3 1.) 3.892.) 3.163.) 1.83

Ex. 4

Eduardo is 16. Eduardo’s dad takes him and his younger sister to a soccer match. Tickets are $17 for adults and $13 for children (18 and under). Write an expression for the total cost of the tickets. What is the total cost of the tickets?

Page 11: Do Now 1.) 1.89 + 2 2.) 4.5 – 1.34 3.) 6.1 × 0.3 1.) 3.892.) 3.163.) 1.83

Exit Ticket Time!

Page 12: Do Now 1.) 1.89 + 2 2.) 4.5 – 1.34 3.) 6.1 × 0.3 1.) 3.892.) 3.163.) 1.83

1.) (3 + 5) – 2 2.) 3 + 8 ÷ 4 + 12

3.) 28 – 32 x 2 4.) (3 + 5)2 – 2

6 17

10 62


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