12. Jake and his family share a new computer.
Friday night is Jake’s turn. He has 1 ¼ hours
After dinner to use the machine.
Jake and his family share a
new computer. Jake sent
emails to his friends. If
each email took 1/8 of an
hour to finish, how many
emails did he send?
13. On his second Friday night, Jake played his
favorite computer game. If each level took
½ of an hour to finish,
How many levels did he complete?
Editor's Notes
Start with students understanding how to divide objects into equal groups
Let’s analyze this group of 3/5 to find out why “flipping” the second fraction or finding the reciprocal works.
With whole numbers, we only had to chop the whole up once, but when we divide part of a whole, we have to chop it twice!Pearl Thompson 7/19/2012Students need to know what is meant by equal parts and as with equivalence of fractions, it is important in comparing fractions to make sure that each fraction refers to the same whole!
