Converting to Percentages, page 55
What is a decimal?
A decimal is a system of numbers based on ten. It uses a point, called a decimal point, to separate the whole number from parts less than one. For example, in 0.75, the number represents three-quarters.
What is a fraction?
A fraction shows how many parts of a certain size there are. It consists of a numerator (above the line) and a denominator (below the line). For example, in 2/3, it means two out of three equal parts.
What is a mixed fraction?
A mixed fraction combines a whole number and a fraction. It shows a quantity more than one but not a round number. For example, 3 1/2 means three and a half.
What is a percentage?
A percentage expresses a number as a fraction of 100. It's denoted by the "%" symbol. So, 50% means fifty out of every hundred.
Divide 2/40 and then multiply by 100 to get the percent.
Turn 2.7 into a percent by multiplying it by 100.
Convert 2.9 to a percent with a simple multiplication by 100.
Divide 20/80 to get a decimal, then multiply by 100 for the percent.
Turn 200 into a percent by multiplying by 100.
To represent 21 in percent, just multiply by 100.
Divide 21/20 to get a decimal, then multiply to get the percent.
Divide 23/100 to get a decimal, then multiply for the percent.
Divide the fraction 25/100 and then express it as a percent.
To get the percent of 25/20, divide and then multiply by 100.
For 28/34, divide to get a decimal, then multiply to get percent.
Multiply 3.75 by 100 to express it as a percent.