Adding and Subtracting Integers

The Panthers get the football at their 20 yard line. On their first play, the quarterback is sacked for a loss of 4 yards. Then the running back is tackled for another loss of 2 yards. Which of the following expressions can be used to determine the yard line the Panthers are on after the second play? Select all that apply.

• 20 + (−4) + (−2)

• 20 − (4 + 2)

• 20 − 4 − 2

• 20 − 4 + 2

Tags

TEKS.MATH.7.3B

The difference of a positive integer minus a negative integer is ___.

• always negative

• always positive

• sometimes negative

• never positive

Tags

TEKS.MATH.6.3D

Elevation is the height compared to sea level. If the height of a landmass is below sea level, the elevation is negative. The Prince Alexander Polder neighborhood in Rotterdam, Netherlands, has an elevation of -7 meters. Which point on the number line below represents -7 m if the units are 1 m?

• A

• B

• C

• D

• E

Tags

TEKS.MATH.6.2C

More than one quarter of The Netherlands lies below sea level. Lucas visits a museum located at an elevation of 7 m and bicycles to the neighborhood of Purmerend which has an elevation of -16 m. Which integer represents his change in elevation for the trip?

• 0 m

• -23 m

• -9 m

• 9 m

The table above gives the elevation of some areas in The Netherlands. Which of the following lists the elevations from least to greatest?

• A -3, -7, -10, 7, 10

• B -3, -7, 7, -10, 10

• C -3, 7, -7, 10, -10

• D -10, -7, -3, 7, 10

Tags

TEKS.MATH.6.2C

What is the difference between the highest elevation and the lowest elevation listed in the table above?

• A 17 m

• B 20 m

• C 10 m

• D 0 ft

• E None of the above

The opposite of -5 is

• A 1/5

• B 0

• C -1/5

• D 5

Tags

TEKS.MATH.6.2B

What is the additive inverse of -3?

• -3

• 1/3

• 0

• 1/3

• 3

The lowest point of land on Earth is located on the shore of the Dead Sea. Its elevation in 1996 was reported to be -400 m. The Dead Sea is lowering at a rate of nearly 1 m every 10 years so the elevation of the shoreline is constantly changing. Approximately what will the elevation be in 2096?

• -10 m

• 10 m

• -390 m

• -410 m

• None of the above

Tags

TEKS.MATH.6.3D

Eventually, the water in the Dead Sea is expected to dry up. The lowest point on the sea floor is approximately 800 m below sea level. This will eventually be the lowest elevation on land. If in 1996 the elevation was reported to be -400 m, what is the difference between this elevation and the eventual lowest elevation?

• -800 m

• 800 m

• 400 m

• 0 m