Module 2- Topic B Review

Evaluate the expression (−9) + 12

• -21

• -3

• 3

• 21

A submarine starts at an elevation of 24 meters below sea level and then dives 17 meters deeper. Which expressions represent the submarine’s final elevation? Choose all that apply.

• 24 + 17

• −24 − 17

• 24 + (−17)

• −24 + (−17)

A submarine starts at an elevation of 24 meters below sea level and then dives 17 meters deeper. What is the submarines ending position?

• 7

• 41

• -41

• -7

What is the distance between point A and point B?

• 2

• 8

• -2

• -8

What is the ending position for 7-6

• -13

• 13

• -1

• 1

7 + (−6)

Where would the expression end on the number line?

• -1

• 1

• 13

• -13

Consider the expression −7.7 − (−4).

Write the expression as an equivalent addition expression

• -7.7 + (-4)

• -7.7 - 4

• -7.7 + 4

Evaluate the expression

−7.7 − (−4).

• 11.7

• -11.7

• -3.7

• 3.7