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Friday, March 21 Chapter 12.5 Interpret Line Graphs
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Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Dec 18, 2015

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Louise Barrett
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Page 1: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Friday, March 21

Chapter 12.5

Interpret Line Graphs

Page 2: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

Objective: To draw and interpret line graphs.

Page 3: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

At the end of this lesson you should be able to answer the following question.

How can you use lines graphs to predict data?

Page 4: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

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

Page 5: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

What does the graph tell you about the popularity of skateboarding?

Hint – is it decreasing, increasing or stayingthe same?

Page 6: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

What does the graph tell you about the popularity of skateboarding?

Sometimes we can predict trends by looking at a graph.

Page 7: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

What does the graph tell you about the popularity of skateboarding?

Can you predict how many skateboards willbe sold in ‘15?

Page 8: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

What does the graph tell you about the popularity of skateboarding?

Can you predict how many skateboards willbe sold in ‘15?

Page 9: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

What does the graph tell you about the popularity of skateboarding?

Can you predict how many skateboards willbe sold in ‘15?

Page 10: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

The line graph shows the weight of a kitten over several weeks.

Describe the trend.

Page 11: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

The line graph shows the growth of a plant over several weeks.

Describe the trend.

Page 12: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

The line graph shows the growth of a plant over several weeks.

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

Page 13: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

The 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

Page 14: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

The line graph shows the area of the Earth’s rainforests.

Describe the trend.

Page 15: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

The line graph shows the area of the Earth’s rainforests.

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

Page 16: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

The line graph shows the area of the Earth’s rainforests.

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

About 250 million acres.

Page 17: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

Describe the depth change from 10 minutes to 35 minutes.

Page 18: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

Describe the depth change from 10 minutes to 35 minutes.

10 minutes the depth was -22ft.35 minutes the depth was -42 ft

The diver went 20 ft lower

Page 19: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

Make a line graph of the Earth’s population. Describe the change in Earth’s 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.

Page 20: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

Make a line graph of the Earth’s population. Describe the change in Earth’s 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.

Page 21: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

Make a line graph of the Earth’s population. Describe the change in Earth’s population from 1750 to 2000.

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

Page 22: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

Make a line graph of the Earth’s population. Describe the change in Earth’s population from 1750 to 2000.

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

Page 23: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

Make a line graph of the Earth’s population. Describe the change in Earth’s 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.

Page 24: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

Make a line graph of the Earth’s population. Describe the change in Earth’s 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.

Page 25: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

Make a line graph of the Earth’s population. Describe the change in Earth’s population from 1750 to 2000.

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

Page 26: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

Make a line graph of the Earth’s population. Describe the change in Earth’s population from 1750 to 2000.

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

Page 27: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

Make a line graph of the Earth’s population. Describe the change in Earth’s population from 1750 to 2000.

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

Page 28: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

Make a line graph of the Earth’s population. Describe the change in Earth’s population from 1750 to 2000.

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

Page 29: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

How can you use lines graphs to predict data?

Page 30: Friday, March 21 Chapter 12.5 Interpret Line Graphs.

Interpret Line Graphs

Agenda Notes

Homework–

No Homework

Chapter 11/12 Test –Tuesday, March 25