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The following chart shows the relationships among money, fractions, decimals and word forms Money Value Dimes Pennies Fraction Decimal Word Form $0 57 5
This example shows how decimals, fractions, and percents are closely related and To convert a percent to a decimal, we divide by 100
Give a general algorithm for converting any terminating decimal to fraction form Page 9 Activity 3: Converting repeating decimals to fraction form There are
(Minutes to Decimal Hours) Minutes Decimal Hours Minutes Decimal Hours Minutes Decimal Hours 1 02 21 35 41 68 2 03 22 37 42 70 3 05 23
To change a decimal to a fraction, count the number of decimal places • Drop the decimal point then place the result over 1 followed by the same
Quick Guide to Percentages and Decimals The is a percent sign, meaning divided by 100 So 25 means 25/100, or 1/4 To convert a percentage to a decimal,
can be written in a form, using a decimal point, called decimal numbers or decimals • Place value of the place immediately after the decimal point (i e tenth
If the percentage you need to convert is not a whole number then multiply both the numerator and denominator by 10 for every number after the decimal point
Page 1 TIME CONVERSION CHART (Minutes to Decimal Hours) Minutes Decimal Hours Minutes Decimal Hours Minutes Decimal Hours
0 3mm 0 32mm 80 0 35mm 79 0 38mm 1/64 0 4mm 78 0 42mm 0 45mm 77 0 48mm 0 5mm 76 75 0 55mm 74 0 6mm 73 0 62mm 72 0 65mm 71 0 7mm