Splash Screen. Five-Minute Check (over Chapter 5) Main Idea and Vocabulary Example 1: Write a Ratio in Simplest Form Example 2: Use Ratios to Compare Parts to a Whole Example 3: Find a Unit Rate. Lesson Menu. Express ratios and rates in fraction form. ratio. rate unit rate.
The GCF of 4 and 10 is 2.
Answer: The ratio of scooters to unicycles is ,
2 to 5, or 2:5. This means that for every 2 scooters, there are 5 unicycles.
Write a Ratio in Simplest Form
RECREATIONWrite the ratio in simplest form that compares the number of scooters to the number of unicycles. Then explain its meaning.Example 1
BOOKSSeveral students were asked to name their favorite kind of book. Write the ratio that compares the number of students who chose fantasy books to the total number of students who responded.
Five students preferred fantasy out of a total of 7 + 9 + 4 + 5 or 25 responses.Example 2
The GCF of 5 and 25 is 5.
Answer: The ratio of the number of students who chose
fantasy to the total number of responses is ,
1 to 5, or 1:5. Analyzing the ratio tells us
that one out of every 5 students preferred
Use Ratios to Compare Parts to a WholeExample 2