Tips for Test

Literal Equations:
* isolate the variable

Simplifying Expressions:
adding polynomials: line up like terms and combine like terms
subtracting polynomials: change the signs, line up like terms, and combine like terms

Exponents and Scientific Notation:
1. for multiplication, add exponents
2. for division, subtract exponents
3. with terms with in ( ) multiply exponents
4. any number to the 0 power is 1
5. any number to a negative exponent needs to be rewritten

Motion Problems:
* list knowns and unknowns or list your main characters
* draw a picture
* d= vt
* same direction set equal
* opposite direction add

Coin Value Problems
* list knowns and unknowns or list your main characters
* set up an equation that has at least one variable and an equal sign

Percent Increase Problems
* original + original (%) = final
* underline the key words and numbers in the word problem

Inequalities:
* open circle = greater than OR less than
* closed circle = greater than or equal to OR less than or equal to
* draw a number line