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The Order or Operations!

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on 21 August 2013

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Transcript of The Order or Operations!

The Order or Operations!
Addition and Subtraction!
The next step is to add and/or subtract!
(Left to Right!)
Examples!
5(29-18)-7+4
5(11)-7+4
55-7+4
48+4
52
Conclusion
So ,let's review the steps! Shall we?
Grouping Symbols!
In the Order or Operations, the first step is to evauate the expression inside the grouping symbols! (Parentheses, Brackets, etc.)
Examples:
5(25+8)-7
5(33)-7
165-7
158
Exponents!
The next step, is to evaluate any exponents!
Examples:
7^2+5(8*5)
7^2+5(40)
49+5(40)
49+200
249
Multiplication/Division!
The next step is to multiply and/or divide!
(Left to Right!)
Examples:
6-8*2/4
6-16/4
6-4
2
Multipilcation and Division!
Parentheses!
Examples:
7(2)+8-9
14+8-9
22-9
13
Addition and Subtraction!
4[(54/6)-7]+6
4[9-7]+6
4[2]+6
8+6
13
360/2(28+7)-4
98/2(35)-42
49(35)-42
1715-42
1,673
Volunteers?
Exponent!
4(8*4)7^3+6
4(32)343+6
(128)343+6
43,904+6
43,910
5.) 49/7(8^2)+21

6.) 81/9+2(8*4)

7.) 29-25[(7^2)+8]

8.) 5^3(7*3)+9
1.) 98-87(8*5)

2.) 27/9(6*6)-5

3.) 84+8-6(24/12)

4.) 8^2(28-9)+11

Answer Key!
1.) 98-87(8*5)
11(40)
440

2.) 27/9(6*6)-5
27/9(36)-5
3(36)-5
108-5
103

3.) 84+8-6(24/12)
84+8-6(2)
84+8(-12)
84+(-96)
-12

4.) 8^2(28-9)+11
8^2(19)+11
64(19)+11
1,216+11
1,227
5.) 49/7(8^2)+21
49/7(64)+21
7(64)+21
448+21
469

6.) 81/9+2(8*4)
81/9+2(32)
9+64
73

7.) 29-25[(7^2)+8]
29-25[49+8]
29-25[57]
4[57]
228

8.) 5^3(7*3)+9
5^3(21)+9
125(21)+9
2,625+9
2,634
Grouping Symbols!
Exponents!
Multiplication/Division!
Addition/Subtraction!
Another way to remember?

Please Excuse My Dear Aunt Sally!
(Parentheses, Exponents, Multiplication, Division, Addition, Subtraction!)
The End! :)
By Audrey Maze!
Full transcript