Line Graphs

Line Graphs book cover — Table of Contents CHAPTER ONE WHAT IS A LINE GRAPH CHAPTER TWO GRAPHING LEMONADE SALES CHAPTER THREE GRAPHING COWS CHAPTER FOUR GRAPHING CLOUDS CHAPTER FIVE LINE GRAPHS ARE FUN Glossary For More Information Index About the Author 4 8 12 16 20 22 23 24 24

Line Graphs — page 1 — CHAPTER ONE What Is a Line Graph We can use a line graph to track all kinds of things including wait times for the roller coaster Have you ever measured something at different times to see how it changed A line graph is a great way to easily compare numbers over time A line graph is a type of number picture If you want to see how many minutes people waited to ride the roller coaster throughout the day a line graph can help A line graph can help us understand sales at our lemonade stand too Let’s learn about line graphs We’ll start at the amusement park 4

Line Graphs — page 2 — A line graph has many parts LABEL what was counted TITLE what the graph is about WAITING FOR THE ROLLER COASTER D E T I A W S E T U N I M 60 45 30 15 0 LABEL when the number was counted 10 00 a m 11 00 a m 12 00 p m 1 00 p m 2 00 p m 3 00 p m SCALE how many HOUR LABEL the category of time The points tell us how many minutes people waited to ride the roller coaster at different times of the day The lines show us how the wait time changed during the day When did people wait the longest Was there a time when people didn’t wait 5

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