Homework Tips for 1st Week


Rule for Addition & Subtraction of Signed Numbers

Like Signs...Add & take the same sign

Unlike Signs...Subtract & take the sign of the larger

+ ( )...Remove ( ) and outside sign and keep sign of what's inside

- ( ) ...Remove ( ) and outside sign and change sign of what's inside

Rule for Multiplication and Division of Signed Numbers

Like Signs...Positive Result

Unlike Signs...Negative result

Order of Operations... PEMDAS (Memory Guide)

P... Do what's in parenthesis first

E...Exponents next

MD...Multiplication or division as they appear from left to right

AS... Addition or subtraction as they apear from left to right

Do all homework problems, not just some of them!

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