Comparing and Ordering Rational Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 56% = 56 ÷ 100 = 0.56.

Front

What is the first step in comparing rational numbers?

Back

The first step is to convert all numbers to the same form (either fractions, decimals, or percentages) to make comparison easier.

Front

How do you order rational numbers from least to greatest?

Back

Convert all numbers to the same form, then compare their values to arrange them in order.

Front

What does the symbol '>' mean?

Back

The symbol '>' means 'greater than'. For example, 5 > 3 means 5 is greater than 3.

Front

What does the symbol '<' mean?

Back

The symbol '<' means 'less than'. For example, 2 < 4 means 2 is less than 4.

Front

What does the symbol '=' mean?

Back

The symbol '=' means 'equal to'. For example, 3 = 3 means both sides are equal.

Front

How do you compare negative rational numbers?

Back

When comparing negative rational numbers, the number with the greater absolute value is actually the smaller number. For example, -5 is less than -3.

Front

What is the decimal equivalent of 1/4?

Back

The decimal equivalent of 1/4 is 0.25.

Front

How do you find a common denominator for fractions?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators.