文档介绍:Practice problems
A Multiplication of Fractions: Solve these without using the fraction multiplication algorithm. Use a picture or drawing to justify your answer.
1. Julio runs 4 times a week. His route is miles long. How many miles does he run each week?
2. A group of investors purchased a rectangular piece of land that is of a mile long andof a mile wide. How many square miles did they buy?
3. You bought a rug to cover part of the floor in your house. The rug’s dimensions are by yards. How big is the rug in square yards?
4. Ifof the class went on a field trip and there are 24 students in the class, how many went on the field trip?
5. You have a rectangular shaped floor which measures square yards and bought a rug to cover part of it. The rug covers of the floor. How big is the rug in square yards?
6. You need cups of sugar to make 1 pound of cookies. How many cups of sugar do you need to make lbs of cookies?
7. A group of friends have ordered two pizzas. Each pizza what divided into equal size parts. Eight of the friends ate of the 2 pizzas. What fraction of the two pizzas did each of the friends eat? What fraction of 1 pizza did each of the 8 friends eat?
Hint: Solve the problem two different ways: Representing the 2 pizzas as a single unit and representing the two pizzas as 2 individual units.
B Other operations
Explain how the following picture could simultaneo