Integers & Absolute Value
Operations with Integers
Writing Equations
Solving Addition & Subtraction Equations
Solving Multiplication & Division Equations
100
What is absolute value?
The number's distance from 0 on a number line (the number without its sign)
100
When you add two numbers with different signs, how do you know which sign your answer is? Ex: -3+10
You always keep the sign of the larger number
100
What is a variable?
It is a letter that represents an unknown number
100
What operation "cancels out" subtraction?
Addition
100
What operation cancels out multiplication?
Division
200
Solve |-5|
5
200
What rule do you follow for subtracting with negative numbers?
Same-Change-Change or Stay-Change-Opposite
200
Write an equation to model the situation: a number decreased by nine is twelve
x-9=12
200
In the equation x+3=12, what operation do you use to solve it? (addition, subtraction, multiplication or division)
Subtraction because you subtract 3 from both sides
200
Solve: 4c+44
c=11
300
Which is greater -10 or 5
5
300
What rule do you follow for your signs when multiplying and dividing integers?
Same sign= positive answer different sign=negative answer (good guy/bad guy rule)
300
Write an equation to model the situation: Sarah's score of eighty two was five points higher than the class average
A+5=82
300
Solve: x+(-4)=-5
x=-1
300
Solve: u/9=6
u=54
400
Solve -3 + |-6|
3
400
Solve -11-(-14)
3
400
Write an equation to model the situation: the sum of a number and -16
x+(-16) or x-16
400
Solve: -8=d-11
d=3
400
Solve: 36=-18y
y=-2
500
Solve |-15| - |5|
10
500
Evaluate -11x16
-176
500
Write an equation to model the situation: if you increase a number by forty-five the result it fifteen
x+45=15
500
Solve: r-15=-7
r=8
500
Solve: 20=q/-5
q=-100
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