Problem Solving Integers

The Tigers football team gained 7 yards, lost 8 yards, and then lost 7 more yards.  What is the total result of these three plays?

• a gain of 8 yards

• a loss of 8 yards

• a gain of 22 yards

• a loss of 22 yards

Hannah made four withdrawals of $20 from her checking account.  She also wrote a check for $215.  By how much did the amount in her checking account change?

• increased by 295

• increase by 315

• decreased by 115

• decreased by 295

Ron lost 10 points seven times playing a video game.  He then lost an additional 100 points for going over the time limit.   What was the total change in his score?

• gained 170

• lost 170

• gained 30

• lost 30

The concession stand made a profit of $135 on Saturday and lost $12 on Sunday. How much profit did the concession stand make over the weekend?

• 123

• 147

• -123

• -147

Match the following with the correct operation and sign of the answer.

• add, negative

• -717 + 927

• subtract, positive

• -762 + (-481)

• add, positive

• -1239 + 904

• subtract, negative

• 3 + 5

Match the following

• 2

• 1 - 5

• -8

• -7 + (-1)

• 1

• -4 - (-6)

• -4

• 8 - (-5)

• 13

• 10 - 9

A submarine is submerged at 20 feet below the surface. The submarine is now  descending at a rate of 120 feet per minute. Which integer represents the position of the submarine after 3 minutes?

• • -20 feet below the surface

• -380 feet below the surface

• -360 feet below the surface

When you subtract a negative number we add its ​ ​ (a)   .

• opposite

• inverse

A hike starts at an elevation 30 meters below sea level and ends at a point 9500 meters higher than the starting point. How high would you be at the end of the hike?  

• 9470

• -9470

• 9530

• -9530

If I am subtracting integers, I need to change the problem to addition by ​ ​ (a)   ​ the ​ (b)   ​

• opposite

• subtracting

• same sign

• adding