Rational and Irrational Numbers Flashcard

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

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction; it cannot be written as a ratio of two integers.

Front

What is the product of 4 1/2 and 1/2?

Back

2 1/4

Front

How do you simplify the fraction 20/28?

Back

5/7

Front

What is the sum of 7.5 and 4.7?

Back

12.2

Front

How do you solve the inequality: (x - 7)/2 ≥ -12?

Back

x ≥ -17

Front

What is the sum of 7/6 and 3/7?

Back

1 5/42

Front

What is the definition of a mixed number?

Back

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

Front

How do you convert an improper fraction to a mixed number?

Back

Divide the numerator by the denominator; the quotient is the whole number, and the remainder over the denominator is the fraction.

Front

What is the least common multiple (LCM) of 6 and 8?

Back

The LCM of 6 and 8 is 24.