1. 
There are sixty mice in the barn. If the ratio of brown mice to gray mice is 1:2 how many gray mice are there?


2. 
One group (A) contains 138 people. A third of the people in group A will be selected to win free tickets to a concert. There is another group (B) in a nearby town that will receive the same number of tickets, but there are 243 people in that group. What will be the ratio of nonwinners in group A to nonwinners in group B after the selections are made?


3. 
* This is a premade sheet. Use the link at the top of the page for a printable page. 

4. 
Hunter had three out of five of the 20 items required to start the school year. What fraction of the number of items was he lacking?


5. 
Of the approximately 104,000 insect species estimated to exist on Weird Island, most have yet to be discovered. In fact, just this year it was estimated that about a third of the species presumed to exist on the island had been discovered. What is the ratio of discovered to undiscovered species?


6. 
If one out of six people surveyed prefer brand B over brand A, then how many out of six prefer brand A? Assume that everyone surveyed liked either brand A or B but no one chose "both" or "neither."

