Rational Number Word Problems - 7.NS.3

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 fractions with different denominators?

Back

To add fractions with different denominators, find a common denominator, convert the fractions, and then add the numerators.

Front

What is the process to convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

How do you multiply fractions?

Back

To multiply fractions, multiply the numerators together and the denominators together.

Front

What is the formula to calculate distance traveled?

Back

Distance = Speed × Time.

Front

How do you convert a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal over its place value and simplify if possible.

Front

What is the importance of estimating in word problems?

Back

Estimating helps to quickly assess the reasonableness of an answer before calculating the exact solution.

Front

How do you find the total distance traveled in a multi-part journey?

Back

Add the distances of each segment of the journey together.

Front

What is the formula for calculating total earnings based on hourly wage?

Back

Total Earnings = Hourly Wage × Total Hours Worked.

Front

How do you find a fraction of a whole number?

Back

Multiply the whole number by the numerator of the fraction and divide by the denominator.