
Integers & Order of Operations Help Fun Game Tips:  Adding positive and negative integers can be compared to winning and losing money.  A win of $4 added to a loss of $6 results in a total loss of $2. That is (+4)+(6)=(2).  To subtract an integer, you can add its opposite.  That means (3)(+7) is the same as (3)+(7) = 10.  Also (6)(2) is the same as (+6)+(+2)=8, because removing a $2 loss gives a $2 gain.  When multiplying 2 integers having the same sign, the result is positive. Example (4)(5)= 20.  When multiplying 2 integers having different sign, the result is negative. Example (3)(+6)= 18.  The positive and negative sign rules for integer division are the same as for integer multiplication.  The order of operations requires that bracket operations be done before the 4 basic operations.  As a general rule, when several of the 4 basic operations occur in succession, do multiplication and division first (from left to right) followed by addition and subtraction (from left to right).  It may take a minute to load the game at dialup speeds.  The game can be played using the mouse by itself or using the keyboard by itself.  If the game doesn't respond to keyboard input, click inside the game area to reset the game's focus.  The game speeds up as your score increases. Adjust this with the  and + keys. 
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