Mod 2 Topic A Flashcard

Front

What is the result of the expression –5 + 9?

Back

4

Front

What is the sum of a negative number and its opposite?

Back

The sum of a negative number and its opposite is always 0.

Front

If Dylan swims 4 feet below the surface and then swims down another 7.5 feet, what is the total change in his elevation?

Back

-11.5 feet

Front

Evaluate the expression: -2 1/4.

Back

-2 1/4

Front

What is the definition of a negative number?

Back

A negative number is a number that is less than zero.

Front

What does the term 'opposite' mean in mathematics?

Back

The opposite of a number is the number that is the same distance from zero on the number line but in the opposite direction.

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 the result of adding two negative numbers?

Back

The result of adding two negative numbers is always a negative number.

Front

What is the definition of elevation in the context of swimming?

Back

Elevation refers to the height of an object above a reference point, often sea level or the surface of the water.

Front

How do you represent a number below sea level?

Back

A number below sea level is represented as a negative number.