Things to know on section 1.4:
Integer - Any whole number that is negative, positive, or zero. Ex.
-1 is an integer, 1.3 is not an integer.
You must know how to order integers on a number line from least to greatest. Negative numbers are to the left of zero on a number line and positive numbers are right of zero on the number line.
You must know how to figure out absolute value. Ex.
|-6| = 6, since -6 is 6 units away from zero on the number line.
You must find the opposite of a number Ex.
The opposite of -6 is 6.
The opposite of 4 is -4
The opposite of b is -b
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