PERCENTS

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85/100

"I must write the number over 100"

27%

"I must read the decimal in word form to help me write it as a fraction over 100. Then I will have the percent, because all percents are a number over 100.

The decimal point is being moved 2 places to the right every time.

4/5 as a percent is 80%. I changed 4/5 to 80/100 by multiplying the numerator and denominator by 20. Then I got 80% because 80 over 100 is 80%.

#1 - 46% = 46/100 = 23/50
#2 - 128% = 128/100 = 32/25 = 1 7/25

#1 - .01 x 78 = .78 or 1/100 x 78/1 = 39/50 = .78
#2 - .25 x 40 = 10 or 25/100 x 40/1 = 10
#3 - 1 x 78 = 78 or 100/100 x 78/1 = 78
#4 - .50 x 62 = 31 or 50/100 x 62/1 = 31