Decimals and Order of Operation Flashcards
What is a Terminating Decimal?
When the numbers in a decimal comes to an end.
What is a Repeating Decimal?
When the numbers in a decimal go on forever.
How can you find out if a fraction is a repeating or terminating decimal?
By dividing the denominator by 1.
How do you divide fractions?
Keep Change Flip.
How do you change a decimal to a fraction?
divide the decimal by 1, .02/1 and then multiply the top and bottom by however many spaces there are after the decimal point. .02/1 * 100 = 2/100
How do you convert a decimal to a percent?
Multiply the decimal by 100.
How do you convert a fraction to a decimal?
Try and find a number to multiply the denominator to make 100, 3/4 *25 = 75/100 divide 75 by 100 and you get .75.
How do you convert a fraction to a percent
Convert the fraction to a decimal and then multiply the answer by 100.
How do you convert a percent to a decimal
Divide your percent by 100
How do you convert a percent to a fraction
Take away the % sign and put it over 100. 75%, 75, 75/100
How do you know what numbers to start with in a problem.
PEMDAS (first to last), Parentheses, Exponents, Multiplication, Division, Addition and Subtraction.