This lesson covers subtracting fractions and interpreting line plots. Students learn to solve problems involving the lengths of dragonflies, ribbons, and sea bass using line plots. Various methods, such as bar models and number lines, are explored to find differences in lengths. The lesson also includes answering questions based on line plot data and encourages students to practice independently.

What is the main topic of Lesson 22, Session Four?

• Adding fractions and line plots

• Subtracting fractions and line plots

• Multiplying fractions and line plots

• Dividing fractions and line plots

In the dragonfly problem, what is the first step to find the difference in lengths?

• Multiply the lengths of the longest and shortest dragonflies

• Identify the longest and shortest dragonflies

• Find the average length of dragonflies

• Add the lengths of all dragonflies

What is the difference in length between the longest and shortest dragonfly?

• Two and one-fourth inches

• One and one-fourth inches

• Two and two-fourths inches

• One and two-fourths inches

Which method is NOT mentioned as an alternative to solve the dragonfly problem?

• Using a line plot

• Using a number line

• Using a bar model

• Using a pie chart

On page 482, what is the length with the greatest number of dragonflies?

• Three and three-fourths inches

• Three and one-half inches

• Four and one-half inches

• Four and three-fourths inches

What is the length with the least number of dragonflies?

• Four and one-half inches

• Three and three-fourths inches

• Three and one-half inches

• Four and three-fourths inches

How long is Terry's ribbon if it is one and five-eighths inches shorter than the longest piece?

• Ten and three-eighths inches

• Eleven and two-eighths inches

• Nine and two-eighths inches

• Ten and two-eighths inches

What is the difference in inches of rain between the month with the greatest and least amount of rain?

• Two and one-eighth inches

• One and one-eighth inches

• Three and one-eighth inches

• Seven-eighths of an inch

How many months did it rain more than two inches?

• Six months

• Seven months

• Eight months

• Five months

What is the difference in length between the longest and shortest sea bass?

• One and three-eighths inches

• One and two-eighths inches

• One and four-eighths inches

• One and one-eighth inches