are u smart ??

−8+(−12)=

• 20

• -20

• 4

• -4

−4+(−3)

• 7

• 1

• -7

• -1

7+(−3)  

• -4

• 10

• -10

• 4

2+(−21)  

• 19

• -23

• -19

• 23

-10+10

• 20

• 0

• -20

• 100

The Cowboys lost 20 yards on the first play. On the second play, they gained 17 yards. Write an addition expression

• 20 + (-17)

• 20 + 17

• -20 + -17

• -20 + 17

When adding a NEGATIVE number and NEGATIVE number,  your result will be...

• Positive

• Negative

• The sign of the larger absolute value

• The sign of the smaller absolute value

What is a zero pair? 

• Two negatives

• One negative, one positive

• Two positives

• none

2+(−21)  

• 19

• 23

• -19

• -23

A submarine at −12−12  feet dives down 1818 feet. After the dive, what will be the submarines elevation?

• -14

• 14

• -30

• 50