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Mathematical Expression Editor
Solve each of the following stories using a picture. Then, compare your solutions. Be
sure to address:
How are the pictures alike? How are they different?
Can these situations be viewed as multiplication? Do they fit with our
usual meaning of multiplication?
(a)
My mom’s oatmeal cookie recipe calls for 3 cups of oatmeal. I want to
make 2 batches. How much oatmeal will I need to make this?
(b)
My mom’s oatmeal cookie recipe calls for 3 cups of oatmeal. I want to
make of a batch. How much oatmeal will I need to make this?
(c)
My mom’s new oatmeal cookie recipe calls for cup of oatmeal. I want to
make 2 batches. How much oatmeal will I need to make this?
(d)
My mom’s newest oatmeal cookie recipe calls for cup of oatmeal. I want
to make of a batch. How much oatmeal will I need to make this?
Write an expression involving multiplication which represents the story below, then
solve the problem using a picture or pictures. Be ready to explain how you
drew your picture and what it means. How does the picture tell you the
answer?
I have a container that holds of a gallon when it is full. Today, my container is full
of milk. How much milk is in the container?
For each of the stories below, first write an expression involving multiplication which
represents each of these stories. Then, solve either version of this problem using
pictures. Be ready to explain how you drew your picture and what it means. How
does the picture tell you the answer?
(a)
I walked for of an hour at a speed of miles per hour. How far have I
walked?
(b)
Rewrite the story in (a) so that it is the same multiplication problem using
containers and gallons.
Write an expression involving multiplication which represents the story below, then
solve the problem using a picture or pictures. Be ready to explain how you
drew your picture and what it means. How does the picture tell you the
answer?
A Cub Scout pack decided to make their own chocolate-covered popcorn for the annual
sale, but they ate batches of the popcorn before selling any! If each batch of
popcorn used of a pound of chocolate, how much chocolate did the Scouts
eat?