Math Notes

Things to Remember

For Integers:


-when adding integers and signs are the same, add and keep the sign.

-when adding integers and signs are different , subtract an keep the sign of the bigger number

-when subtracting integers keep the first number the same, change subtraction to addition, change 2nd number to the inverse.

-When multiplying and dividing: same sign positive, different sign negative.
 
More to remember
 
1-step equations


-Use inverse of operation shown

-Make sure you take the sign of negative numbers

2-step equations

-Always start with the addition or subtraction opperation.

-Then multiply or divide