1-10: Solve Problems With Rational Numbers

Front

What is a rational number?

Back

Any number that can be written as a fraction, including repeating decimals and terminating decimals.

Front

What is the additive inverse of a number?

Back

The additive inverse of a number is the value that, when added to the original number, results in zero.

Front

If Henry runs up 10 flights of stairs, how far does he need to run down to represent an additive inverse?

Back

-10 flights of stairs.

Front

What is the final score if Sean starts with 15 points, loses 15 points, and then loses 20 points?

Back

-20 points.

Front

How much money is in Josie’s account after 4 months if she starts with $450 and pays $35 each month?

Back

$310.

Front

What is an integer?

Back

A positive or negative whole number, including zero.

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.

Front

If a number is -7, what is its absolute value?

Back

7.

Front

What does it mean for a number to be terminating?

Back

A terminating decimal is a decimal that has a finite number of digits after the decimal point.

Front

What is an example of a repeating decimal?

Back

0.333... (which is equal to 1/3).