multiply and divide integers

multiply and divide integers

Word Problems

A sloth is climbing down the tree at a constant speed the sloth's height changes by -55 feet in 11 minutes.

Which expression the change in the sloth's height each minute?

a.) -55 • (-11)

b.) -55 ÷ 11

c.) -55 ÷ (-11)

d.) -55 • 11

If you chose the answer b, you are correct!!

b.) -55 ÷11

What is the change in the sloth's height each minute?

-5

Your answer is correct!!!

Miguel's saving account balance changed by -$48 over a year because a banking fee was withdrawn every month.

• He wants to find the monthly change to his account.

Which expression represents the monthly change in Miguel's account?

• a.) -48 ÷ (-12)

• b.) -48 ÷ (-1)

• c.) -48 ÷ 12

• d.) -48 ÷ 1

The correct answer is c!!!!

-48 ÷ 12

[There are 12 months in a year and Miguel's savings account decreased by -$48]

Each time Elena buys lunch at school, her balance on her school lunch account changes by -$3. Last month Elena's balance changed by -$36 in all.

Which expression represents the number of times Elena brought lunch last month?

• a.) -36 • (-3)

• b.) -36 ÷ (-3)

• c.) -36 ÷ 3

The correct answer is B!!!

How many times did Elena buy lunch last month?