1. Lets Get Ready for Finals! Yellow Packet Note card, sheet of paper How to know when you are ready: –Can do most of the problems in review pkt When I am available for extra help –Through out the day in E-358.

2. Note Card for Finals Rounding Look to the number to the right. Look to the number to the right. If that number is 5 or bigger, +1 to the number. If that number is 5 or bigger, +1 to the number. If <5, keep the same. If <5, keep the same. Turn all numbers to the right of the rounding number to zeros. Turn all numbers to the right of the rounding number to zeros. Order of Operations P (), E x y, MD x ÷, AS + - Least Common Multiple Use purple sheet GCF Use marigold sheet Factor Tree Use marigold sheet 40 40 10 10 2 2 2 5 Decimals places Scientific Notation 950000 -> 9.5 x 10 5 0.00045 -> 4.5 x 10 -4 Fractions to Decimals Numerator, divide sign, denominator Decimals to Percents Multiply by 100

3. Ratios form a proportion Cross multiply Cross multiply See if answers are the same of different See if answers are the same of different Solve each proportion Cross multiply Cross multiply Divide by the number that is with the variable Divide by the number that is with the variable 5=a5=a5=a5=a 8 6a = 40 6 a = 6.6 Rate, Base, Percentage Rate: missing the percent 30 is what percent of 42? Divide 30 into 42, then multiply by 100 Percentage: missing the is What is 60% of 22? Turn percent into decimal Then multiply Base: missing the of 34 is 47% of what? Turn percent into decimal Then take the is divide into decimal OR is = % of100