Fractions, Decimals, and Order of Operation Section 5.5 Fractions, Decimals, and Order of Operation
Fraction → Decimal Steps Change mixed number to improper fraction. Convert fraction into division format Add a decimal to the end of the dividend (num) Add zeros after the decimal Perform long division
Examples Given the fraction determine the decimal ⅔ ½ 5¾ -2
Comparing Steps Write all numbers in decimal format. Compare and place values in Increasing order : smallest to largest Decreasing order : largest to smallest Use inequalities : < , >
Example Write the numbers in increasing order
Example Write the numbers in decreasing order
Example Insert <, >, = to form a true statement
Example Insert <, >, = to form a true statement
Order of Operation P E M D A S One step per line per point
Example Use order of operation to simplify the expression. (4 points)
Example Use order of operation to simplify the expression. (6 points)
Word Problem Find the Area and Perimeter
Word Problem Find the Area.
Word Problem In 2012, there were 11,434 commercial radio stations in the US. The most popular formats are listed in the table. Use the graph to answer the following questions.
Question 1 Write as a decimal the fraction of radio stations with a classic hits music format. Round to the nearest thousandths.
Question 2 Write as a decimal the fraction of radio stations with a Spanish format. Round to the nearest hundredths.