integers shelby ferreira. group activity line up according to the integer you received. then change...
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![Page 1: Integers Shelby Ferreira. Group Activity Line up according to the integer you received. Then change the sign of your integer and line up again](https://reader036.vdocuments.mx/reader036/viewer/2022070414/5697c01c1a28abf838ccff52/html5/thumbnails/1.jpg)
IntegersShelby Ferreira
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Group Activity
Line up according to the integer you received.
Then change the sign of your integer and line up again.
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Integers on a Number Line
What are integers?
What is a number line?
Moving left on the number line
Moving right on the number line
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Adding and Subtracting Integers
“Combining”
What happens when you combine +1 and -2?
Other examples?
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Absolute Value
Distance between zero and any positive or negative integer
Notation
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Rules of Adding Integers
1. When signs are alike, add the absolute values. The sign of the sum is the sign of the numbers added
Ex: (-4)+(-3)
2. When the signs are different, subtract the absolute values. The sign of the answer is the sign of the number with the larger absolute value.
Ex: (+4)+(-3)
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Rules of Subtracting Integers
1. Change the subtraction to addition
2. Change the sign of the second number
3. Follow the rules for adding integers
Ex: -3-8
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Combining More than Two Integers
1. Rewrite the problem so there are no double signs. Remove parentheses.
2. Do the problem from left to right OR combine the like terms
3. Solve by combining the final terms OR following the rules for adding and subtracting integers.
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Multiplying and Dividing Integers
1. Multiply or divide by the absolute values
2. If the signs are alike, the answer is +(positive).
3. If the signs are different, the answer is – (negative).
Ex: -5(3)
Ex: -32/(-16)
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Exponents
Base
Exponent
25
-22
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Radicals
The opposite of an exponential expression
Notation
If 32=9, then √9 =3
Between which two integers is √100 ?
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Order of Operations
P
E & R (exponents AND radicals)
M &D (from left to right)
A & S (from left to right)
Ex: √100-[500 ÷(4-6)2]
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Create an Equation with Integers to Solve
Yoshi had $50.00 in the bank. Since he doesn’t have health insurance, he had to spend $54.00 on medication for his sick daughter. He bought the medication using his bank card. The bank charges a $35.00 overdraft fee for each day the account stays overdrawn. Is has been overdrawn for 4 days. What is Yoshi’s account balance?