Read the problem situations below. Be sure to include your thinking!

 

a) Ethan and his three brothers plan to mow their yard, which is 1/3 of an acre. How much of an acre will each of the 4 boys mow? Explain your thinking.

b) Candy has 4 boards to use for a project. The plan calls for boards 1/3 the size of the existing boards. How many of the one-third sized pieces will Candy have? Explain your thinking.
 

Hint 

Possible Solution 

 

5.3 Number and operations. The student applies mathematical process standards to develop and use strategies and methods for positive rational number computations in order to solve problems with efficiency and accuracy. The student is expected to: