Flashcard: 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 convert a fraction to a decimal?

Back

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

Front

What is the scale of a map?

Back

The scale of a map shows the relationship between distances on the map and actual distances on the ground.

Front

If 1 inch on a map represents 1/2 mile, how many inches represent 12 miles?

Back

24 inches (12 miles ÷ 1/2 mile per inch = 24 inches).

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100.

Front

How do you find a fraction of a number?

Back

To find a fraction of a number, multiply the number by the fraction.

Front

What does it mean to have a negative account balance?

Back

A negative account balance means that the account is overdrawn, indicating that more money has been withdrawn than is available.

Front

How do you add a negative number to a positive number?

Back

To add a negative number to a positive number, subtract the absolute value of the negative number from the positive number.

Front

What is a border in geometry?

Back

A border in geometry refers to the space around the edges of a shape or object.

Front

How do you calculate the remaining length after adding a border?

Back

Subtract the total width of the border from the original length.