Adding and Subtracting Multiple Integers

45 + (-47) + 31- (-12)

• 45

• 21

• 41

• -45

-14 + 23 - 14 + 23

• 18

• 46

• -28

• 74

17 - 11 + (-17) - 11

• -56

• -22

• 34

• 0

-98 + (-23) + (-98) + (-23)

• 0

• -46

• 196

• -242

Coach Bob’s football team lost 8 yards, gained 5 yards, and lost 2 yards on their first 3 plays from the line of scrimmage.
The team’s current position is ​​ (a)   yards relative to the original line of scrimmage.
The additive inverse,​ (b)   represents the number of yards the team needs to gain in order to return to the original line of scrimmage.

• -5

• 5

• 15

• -15

Coach Bob’s football team lost 8 yards, gained 5 yards, and lost 2 yards on their first 3 plays from the line of scrimmage.
The team’s current position is ​​ (a)   yards relative to the original line of scrimmage.
The additive inverse,​ (b)   represents the number of yards the team needs to gain in order to return to the original line of scrimmage.

• -5

• 5

• 15

• -15

An integer problem is modeled on a number line..

Which equation best represents the model?

​ (a)  

• 7 + (-10)=-3

• 7 + (-3) =4

• -3 + 7=10

• 10 + (-3) = 7

The equation ​ ​ (a)   is correct.

• (-3)+5=2

• ​(-3)+5=-2

• ​-3+(-5)=-2

• ​3+(-5)=2

Mathematical Equivalence

ON

An integer problem is modeled on a number line.. Which equation best represents the model? ​ (a)  

• 7 + (-10)=-3

• 7 + (-3) =4

• -3 + 7=10

• 10 + (-3) = 7