Created by irenepapers
about 9 years ago


Question  Answer 
Integer  a number that has a direction (shown by the sign) and a distance (shown by the absolute value) 
Direction of an Integer:  Positive  right of zero Negative  left of zero 
Absolute Value  the distance from zero. Absolute value has no sign. It is NOT positive or negative. 
Opposite  the opposite of an integer is the integer with an opposite sign 
To Use a Number Line to Do Integer Addition or Subtraction:  1) Draw a number line with an appropriate scale. 2) Find and label the starting value. 3) Beginning at the starting value, drawn in steps shown by the operation in your expression. 4) Find and label your finishing value. 
Disk/Chip Model  is based on using two different chips to represent positive and negative values (basically, another way to show work for adding or subtracting negative or positive integers) 
Equivalent Expressions  expressions that look different, but represent the same value 
Multiplying and Dividing Integers:  Positive x Positive = Positive Positive x Negative = Negative Negative x Negative = Positive Negative x Positive = Negative 
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