What is the sum of -40 and -60?
a. 20
b. 100
c. -20
d. -100

Find the sum of 25 and -10
a. 15
b. 35
c. -35
d. -15

What will you get when you combine -14 , -10 and 30?
a. 6
b. 54
c. -6
d. -54

Find the difference of -8 and -15
a. 7
b. -7
c. -13
d. -23

What is the difference between 20 and -9?
a. 11
b. 29
c. -11
d. -29

Find the difference between a mountain that has an altitude of 3476 feet and a valley that is 139 feet below sea level.
a .3 265
b. 3 347
c. 3 437
d. 3 425

Find the product of -8 and 9.
a. 72
b. -72
c. -- 5
d. -1 ​