Unit 3 Final Review

Front

What is the opposite of a number on the number line?

Back

The opposite of a number is its reflection across zero on the number line. For example, the opposite of 3 is -3.

Front

What integer represents a height of 34 feet above sea level?

Back

34

Front

What integer represents a gain of 40 yards?

Back

40

Front

What is the opposite of the opposite of a number?

Back

The opposite of the opposite of a number is the original number itself. For example, the opposite of -5.3 is 5.3, and the opposite of 5.3 is -5.3.

Front

What is the opposite of |-89|?

Back

The opposite of |-89| is -89.

Front

How do you find the opposite of a positive integer?

Back

To find the opposite of a positive integer, simply add a negative sign in front of it. For example, the opposite of 5 is -5.

Front

How do you find the opposite of a negative integer?

Back

To find the opposite of a negative integer, remove the negative sign. For example, the opposite of -7 is 7.

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. For example, |-5| = 5.

Front

What is the relationship between a number and its opposite?

Back

A number and its opposite are equidistant from zero on the number line and have the same absolute value.

Front

If Point A is at 3 on the number line, what is the opposite of Point A?

Back

The opposite of Point A (3) is -3.