GraphsGraphs V. Martinez Essential Question In what ways do we use graphs to solve problems in our daily lives?

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Presentation transcript:

GraphsGraphs V. Martinez

Essential Question In what ways do we use graphs to solve problems in our daily lives?

Line Plot –organizes data

Ages of People in an apartment building.

Bar Graph A bar graph is used to compare amounts.

Pictograph A pictograph uses pictures or symbols to represent an assigned amount of data. A pictograph takes the form of a bar graph.

Advantages of a pictograph A pictograph is easy to read. 2. They show trends in data clearly. 3. They are fun to use.

Disadvantages of a pictographs It may be difficult to find a symbol or picture to represent the data. 2. The key can be confusing to read. 3. A pictograph can be difficult to make.

Line Graph A line graph is used to show change over time. You can use a line graph to look for trends and to make predictions.

Temperature Line Graph

Click here to see more about line graphs /graphs/line.htmlhttp:// /graphs/line.html

Line Graph - a graph that shows changes over time. Use the data in the table to make a Line Graph. Each year the average rainfall was measured in inches.

1.Draw the “L” Box 2. Put the title. Average Yearly Rainfall l l l l l L________________________

3. Label the x and y axis Average Yearly Rainfall 10l 8 l 6 l 4 l 2 l 0 L________________________ Average Rainfall

Add the data by placing dots. Average Yearly Rainfall 10l x 8 l x 6 l x 4 l 2 l x 0 L_______________________x_ Average Rainfall

Connect the dots. LABELS LEGEND E TITLE

Draw a line graph. Temperatures In NY City Day 1 43° F Day 2 53° F Day 3 35° F Day 4 57° F Day 5 59° F Day 6 67° F

Compare your graph.

Use the data to make a line graph. Sam's Weight MonthWeight in Kg January49 February54 March61 April69 May73

The graph is easier to read than the table. What do you notice about Sam’s weight?