Rational Numbers, Rates, and Ratios Review

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 decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal as a fraction with a denominator of 1, then multiply the numerator and denominator by 10 for each digit after the decimal point, and simplify if possible.

Front

What is the process to convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100 and add a percent sign (%).

Front

What are equivalent fractions?

Back

Equivalent fractions are fractions that represent the same value or proportion, even though they may have different numerators and denominators.

Front

How do you compare two fractions?

Back

To compare two fractions, find a common denominator or convert them to decimals, then compare the numerators or decimal values.

Front

What is the relationship between ratios and fractions?

Back

A ratio is a comparison of two quantities, which can be expressed as a fraction. For example, a ratio of 3 to 4 can be written as 3/4.

Front

What is the value of 2.03 as a mixed number?

Back

2.03 can be expressed as 2 3/100.

Front

How do you determine if two decimals are equivalent?

Back

Two decimals are equivalent if they have the same value, regardless of the number of digits after the decimal point.

Front

What is the significance of the percent symbol (%)?

Back

The percent symbol (%) represents a fraction out of 100, indicating a ratio of a number to 100.

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common divisor (GCD).