Tuesday, Oct 30

Friday, March 21Chapter 12.5

Interpret Line GraphsInterpret Line GraphsObjective: To draw and interpret line graphs. Interpret Line GraphsAt the end of this lesson you should be able to answer the following question.

How can you use lines graphs to predict data?

Interpret Line GraphsA line graph is used to show how a set of data changes over a period of time.

Interpret Line GraphsWhat does the graph tell you about the popularity of skateboarding?

Hint is it decreasing, increasing or stayingthe same?

Interpret Line GraphsWhat does the graph tell you about the popularity of skateboarding?

Sometimes we can predict trends by looking at a graph.

Interpret Line GraphsWhat does the graph tell you about the popularity of skateboarding?

Can you predict how many skateboards willbe sold in 15?

Interpret Line GraphsWhat does the graph tell you about the popularity of skateboarding?

Can you predict how many skateboards willbe sold in 15?

Interpret Line GraphsWhat does the graph tell you about the popularity of skateboarding?

Can you predict how many skateboards willbe sold in 15?

Interpret Line GraphsThe line graph shows the weight of a kitten over several weeks.

Describe the trend.

Interpret Line GraphsThe line graph shows the growth of a plant over several weeks.

Describe the trend.

Interpret Line GraphsThe line graph shows the growth of a plant over several weeks.

Can you predict how tall theplant will be after 7 weeks?

Interpret Line GraphsThe line graph shows the growth of a plant over several weeks.

Can you predict how tall theplant will be after 7 weeks?

About 11 inches

Interpret Line GraphsThe line graph shows the area of the Earths rainforests.

Describe the trend.

Interpret Line GraphsThe line graph shows the area of the Earths rainforests.

Can you predict how many acres of rainforest there will bein 2020?

Interpret Line GraphsThe line graph shows the area of the Earths rainforests.

Can you predict how many acres of rainforest there will bein 2020?

About 250 million acres.

Interpret Line GraphsDescribe the depth change from 10 minutes to 35 minutes.

Interpret Line GraphsDescribe the depth change from 10 minutes to 35 minutes. 10 minutes the depth was -22ft.35 minutes the depth was -42 ftThe diver went 20 ft lower

Interpret Line GraphsMake a line graph of the Earths population. Describe the change in Earths population from 1750 to 2000.

How to Construct a Line Graph.Step 1 Draw a large L to represent the x and y axis of the graph.

Interpret Line GraphsMake a line graph of the Earths population. Describe the change in Earths population from 1750 to 2000.

How to Construct a Line Graph.Step 1 Draw a large L to represent the x and y axis of the graph.

Interpret Line GraphsMake a line graph of the Earths population. Describe the change in Earths population from 1750 to 2000.

How to Construct a Line Graph.Step 2 Label and list the time data on the x axis.

Interpret Line GraphsMake a line graph of the Earths population. Describe the change in Earths population from 1750 to 2000.

How to Construct a Line Graph.Step 2 Label and list the time data on the x axis.

Interpret Line GraphsMake a line graph of the Earths population. Describe the change in Earths population from 1750 to 2000.

How to Construct a Line Graph.Step 3 The other data set will be labeled and listed along the y axis.Decide upon an interval.

Interpret Line GraphsMake a line graph of the Earths population. Describe the change in Earths population from 1750 to 2000.

How to Construct a Line Graph.Step 3 The other data set will be labeled and listed along the y axis.Decide upon an interval.

Interpret Line GraphsMake a line graph of the Earths population. Describe the change in Earths population from 1750 to 2000.

How to Construct a Line Graph.Step 4 Plot and connect the data points.

Interpret Line GraphsMake a line graph of the Earths population. Describe the change in Earths population from 1750 to 2000.

How to Construct a Line Graph.Step 4 Plot and connect the data points.

Interpret Line GraphsMake a line graph of the Earths population. Describe the change in Earths population from 1750 to 2000.

How to Construct a Line Graph.Step 5 Title the graph.

Interpret Line GraphsMake a line graph of the Earths population. Describe the change in Earths population from 1750 to 2000.

How to Construct a Line Graph.Step 5 Title the graph.

Interpret Line GraphsHow can you use lines graphs to predict data?

Interpret Line GraphsAgenda Notes

Homework

No Homework

Chapter 11/12 Test Tuesday, March 25