Teens as Divisors

Honors Math – Grade 5

Problem of the DayA plan uses 570 gallons of gasoline in a 15-hour trip. How many gallons of gasoline does it use in one hour?

Before we solve this problem, let’s review our basic division facts!

Math Minutes – Division Facts Review

Problem of the DayA plan uses 570 gallons of gasoline in a 15-hour trip. How many gallons of gasoline does it use in one hour?

What are the important facts?

What operation does this word problem suggest?

Division! Let’s take a closer look…

57015

When the divisor is a number between 11 and 19, you may have to change your estimate more than once!

The plane uses 38 gallons of gasoline in 1 hour.

Don’t forget…Does McDonald’s Sell CheeseBurgerS?

and The Cover-Up Method!

74714

152117

157819

512,1012

038,1618

732,14813

340,15518