Comparing 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 compare two rational numbers?

Back

To compare two rational numbers, convert them to a common denominator or decimal form, then compare their values.

Front

What is the greatest rational number among 5.2 x 10^4, 5.8 x 10^4, 9.3 x 10^2, and 1.8 x 10^-8?

Back

5.8 x 10^4 is the greatest.

Front

What is the least rational number among 4 2/5, -5 3/4, 4 5/7, and -5.205?

Back

-5 3/4 is the least.

Front

What is the value of 510% in decimal form?

Back

510% is equal to 5.1 in decimal form.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100.

Front

What is the greatest rational number among 7.18 x 10^3, 1.81 x 10^4, 4.98 x 10^-1, and 7.29 x 10^-5?

Back

1.81 x 10^4 is the greatest.

Front

Back

Front

How do you find the least common denominator (LCD) of two fractions?

Back

The least common denominator is the smallest multiple that both denominators share.

Front

What is the greatest rational number among 4 2/5, -5 3/4, 4 5/7, and -5.205?

Back

4 5/7 is the greatest.