Comparing and Ordering Rational Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction or ratio 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, 54% = 54 ÷ 100 = 0.54.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator. For example, 2/5 = 2 ÷ 5 = 0.4.

Front

What is the first step in ordering rational numbers?

Back

The first step is to convert all numbers to the same form (either fractions, decimals, or percentages) to compare them easily.

Front

How do you compare two decimals?

Back

To compare two decimals, look at the digits from left to right. The first digit that differs determines which decimal is greater.

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest number that can be used as a common denominator for two or more fractions.

Front

How do you order fractions with different denominators?

Back

Convert all fractions to have a common denominator, then compare the numerators to order them.

Front

What does it mean to order numbers from least to greatest?

Back

Ordering numbers from least to greatest means arranging them in ascending order, starting with the smallest number.

Front

What is the decimal equivalent of 3/4?

Back

The decimal equivalent of 3/4 is 0.75.

Front

How do you find a number between two given numbers?

Back

To find a number between two given numbers, you can take the average or choose a number that is greater than the smaller number and less than the larger number.