Add and Subtract rational number word problems

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 for subtracting rational numbers?

Back

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

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

How do you find the range of two temperatures?

Back

To find the range, subtract the lowest temperature from the highest temperature.

Front

If a climber ascends and then descends, how do you calculate their final position?

Back

Add the distance ascended to the initial position, then subtract the distance descended from that result.

Front

What does it mean to be below sea level?

Back

Being below sea level means that the elevation is lower than the average level of the ocean's surface.

Front

How do you 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

What is the difference between two heights?

Back

To find the difference between two heights, subtract the lower height from the higher height.

Front

How do you add mixed numbers?

Back

Add the whole numbers together, then add the fractions. If the fraction sum is improper, convert it to a mixed number.