M7A Rational Numbers Test 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 add rational numbers with different signs?

Back

To add rational numbers with different signs, subtract the absolute values and take the sign of the number with the larger absolute value.

Front

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

Back

To convert a fraction to a decimal, divide the numerator by the denominator.

Front

What is the process to 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.

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 absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. It is always non-negative.

Front

What does it mean for two numbers to be equal?

Back

Two numbers are equal if they represent the same value or point on the number line.

Front

How do you subtract rational numbers?

Back

To subtract rational numbers, add the opposite of the number being subtracted.

Front

What is the result of adding a positive and a negative rational number?

Back

The result depends on the absolute values; if the positive number's absolute value is greater, the result is positive, and vice versa.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction.