23102013 FRACTIONS DECIMALS PERCENTAGES Fractions decimals and percentages

23/10/2013 FRACTIONS, DECIMALS & PERCENTAGES

Fractions, decimals and percentages are just three ways of saying the same thing. ½ 0. 5 50%

DECIMALS Starting from the decimal point, count the decimal places. If there is one decimal place, put the number over 10 and reduce. If there are two places, put the number over 100 and reduce. . . FRACTIONS EXAMPLES: a) 0. 8 = b) 0. 45 = c) 0. 123 = d) 0. 2917 =

FRACTIONS DECIMALS EXAMPLES: Change denominator to a multiple of 10 OR NUMERATOR ÷ DENOMINATOR a) ¼ = b)2/5 = c) 12/50 = d)3/8 = e) 9/ 12 =

FRACTIONS PERCENTAGES EXAMPLES: a) 2/10 = b) 3/25 = c) 7/50 = d) 3/16 = Make the denominator 100, then the answer is the numerator with a percentage sign

FRACTIONS PERCENTAGES You can also multiply by 100% EXAMPLE: What is 3 8 as a percentage?

FRACTIONS PERCENTAGES A percentage is just a special type of fraction. or 1% means 1 = 100 1 part per hundred 0. 01

PERCENTAGES FRACTIONS Write percentage over 100, then simplify a) 48% = EXAMPLES: b) 75% = c) 92% = d) 63% =

DECIMALS PERCENTAGES EXAMPLES: a)0. 23 = b)0. 8 = c)0. 56 = d)0. 231 = X 100

PERCENTAGES DECIMALS EXAMPLES: ÷ 100 a)55% = b)34. 5% = c)75% = d)97% =

Numerator ÷ Denominator ÷ 100 Write percentage over 100 then simplify FDP millionnaire. ppt x 100