Mode or Median
Pictographs
Bar Graphs
Name That Graph
Range
100
What does mode mean?
The number that occurs the MOST.
100
What is this called?

Key
100
Choose the best scale:
Favourite Things to Do at Home

Listening to CDs: 30
Listening to the radio: 80
Playing video games: 50
Reading: 40
Using a computer: 80
10
100
Pictograph
100
What is the range?
The biggest number - the smallest number
200
What does median mean?
The MIDDLE number
200
If our key=two, how do we show one?
Half the symbol
200
What are the two axes called?
X and Y axis
200

Vertical bar graph
200
What is the range? 15, 17, 11, 19, 3, 13
19-3=16
300
What is the mode?

0, 4, 7, 2, 7, 0, 7, 4, 1, 3
7
300
How many students are in grade 1?

18
300
Name the two types of bar graphs.
Horizontal and Vertical
300

Horizontal bar graph
300
What is the range? 16, 11, 14, 16, 16, 14, 11, 16
16-11=5
400
What is the median?

21, 4, 11, 17, 3, 9
10
400
How many fewer Grade 1 students walk to school than Grade 3 students?

6
400
On what axis is the scale on a horizontal bar graph? X or Y?
X
400
Double Bar Graph
400
What is the range? 16, 11, 16, 7, 16, 14, 11, 16
16-7=9
500
What is the mode AND median?
13, 18, 13, 14, 13, 16, 14, 21, 13
Mode: 13 Median: 14
500
What is the total number of strawberries?

30
500
Which has more votes?

Classical and Rock together or Jazz?
Classical and Rock
500
What is the range? 89, 73, 84, 91, 87, 77, 94
94-73= 21
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