Word Problems with 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 add two rational numbers with different denominators?

Back

To add two rational numbers with different denominators, find a common denominator, convert each fraction, and then add the numerators.

Front

What is the process to subtract rational numbers?

Back

To subtract rational numbers, find a common denominator, convert each fraction, and then subtract the numerators.

Front

How do you multiply two rational numbers?

Back

To multiply two rational numbers, multiply the numerators together and the denominators together.

Front

What is the method for dividing rational numbers?

Back

To divide rational numbers, multiply by the reciprocal of the divisor.

Front

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

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is the first step in solving a word problem involving rational numbers?

Back

The first step is to read the problem carefully and identify the relevant information and what is being asked.

Front

How do you represent a word problem mathematically?

Back

Translate the words into an equation or expression using variables and numbers to represent the quantities involved.

Front

What is the importance of checking your answer in a word problem?

Back

Checking your answer ensures that it makes sense in the context of the problem and verifies that you have solved it correctly.

Front

If Mindy has 40 stuffed animals, and 3/8 are bears, how many bears does she have?

Back