Converting to Percentages, page 92
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.
Start with 2 7/10, multiply, add, and then scale to get the percent.
To find the percent value of 2.34, just multiply by 100.
To express 2.36 as a percent, multiply by 100.
To get the percent form of 2.56, multiply it by 100.
To find the percent of 2/19, divide first, then multiply by 100.
Divide 20/40 to get its decimal, then multiply to get the percent.
To express 20/45 as a percent, divide and then multiply by 100.
For 20/60, divide to get a decimal, then multiply for the percent.
Divide 21/10 to get a decimal, then multiply by 100 for the percent.
Divide 21/24 to get a decimal, then multiply to get the percent.
Divide 22/100 to get a decimal, then multiply for the percent.
Divide 23/20 to get a decimal, then multiply by 100 for the percent.