Unit 3a/b RETAKE: Rational Numbers 25-26

Which of the following statements is TRUE?

Each of the following phrases describes a numerical value:

• The opposite of the absolute value of 3
• The absolute value of the opposite of the opposite of -3

Which statement is true about the relationship between the numerical values?

Carina was comparing the amount of money her friends have.

• Pablo (P) had $1.25 and found a quarter on the ground.
• Alex (A) has $2.25, but owes a friend $3.
• Daniel (D) lost $5, but found a dime and 7 quarters.

Which number line best represents the changes in the amount of money each friend has?

The chart shows the lowest elevations for three caves.

Select all of the inequalities that are true based on the chart above.

The chart shows the lowest elevations for four states.

If Alabama is considered sea level, which state listed in the table is closest to Alabama’s elevation?

Using the same chart from #5, select two statements that are true.

List the following in descending order.

2. -2.75
3. |-1000|
4. -15
5. -2.5
6. 4.7

The bottom of the ocean is 4.5 feet below the surface of the water. The surface of the water is represented by the 0. A bird flying in the sky is the same distance above the surface of the water as the bottom of the ocean. What number represents the location of the bird?

A submarine is exploring the ocean at 54.8 meters below the surface. An airplane is flying 45.4 meters above the surface of the water. Which craft is furthest from the surface of the water? Justify your answer using a number line or a statement of absolute value.