ELL Math
NOTES
Name _______________________
Topic: Graphs-MMMR
Period _______ Date_________
Vocabulary
CLOs: Label the parts of a graph. Identify each type of graph. Collect data and create your own
graph. Analyze the data displayed in different graphs.
pictures
data
Pictograph
quantity
what ___________________each symbol represents.
This graph uses ___________________or symbols to show ______________. The key tells
number line
represents
Line Plot
This graph displays data along a ______________________. Each
X ___________________
one number in the data.
bars
Bar Graph
This graph uses _____________to show data. Bar graphs have a ______________ and an
scale
interval
__________________________.
The scale is the ____________ used on the graph to show numbers. The interval is the
difference between two _________________________ numbers on the scale.
units
===========================================================================
Name each graph.
consecutive
_________ _________ ________
Let’ explore some special vocabulary…
y-axis
x-axis
title
label of the
y-axis
label of the
x-axis
scale
interval
===============================
Line Graph
points
This graph connects _____________ to show how data ____________ ______________
_________________. Line graphs can indicate a TREND. A trend in the data shows a
changes over
time
pattern
increase
decrease
TREND
__________________ where the line can either ________________ or _________________.
divided into
pieces
Pie Chart
This graph is a circle _______________
_________________
_________________, each
piece _________________ the size of some related piece of information.
displays
1- What is the title of this pie chart? ____________________________________________
2- What continent has the greatest area? __________________________________________
3- How much is the percent of North America? ____________________________________
4- What continent has the smallest area? ______________________________________
5- How many continents are there? __________________________
6- What continent is represented by the purple color? _________________________
==============================================================================
so far
So far…
What is your favorite type of graph? ________________________________
Make a line graph with the collected data. Give a title to your line
graph.
data set
These are the average temperatures recorded in the city of Sterling during one year in 1910.
January
February
March
April
May
June
July
August
September
October
November
December
10º
15º
22º
35º
42º
65º
77º
83º
72º
65º
53º
35º
data point
Title: ___________________________________________________
Take a survey. Ask your classmates which of these snacks is their favorite. Fill in the tally
SURVEY
table to show their answers. Complete the blank bar graph to show the results.
Names of
Snacks
Tally
Number of
Students
popcorn
potato chips
Oreo cookies
ice cream
candy bars
how many
more
most
How many more people chose candy bars than Oreo cookies?_________________________
What is the most popular snack? _____________________ How many people answered the
survey?_________Did more people choose popcorn or potato chips?____________ What is the
least popular snack?________________Scale____________
Interval__________________
Title _______________________________________________
choose
chose
popcorn
the least
MMMR
Mean, Mode, Median, and Range
average
Mean is the _____________________ of all the numbers in the data.
To find the
mean/average you ___________all the numbers in the data and then _______________ the
add
total by the amount of ___________________________ in the data.
divide
For example:
3
15
4
9
12
0
4
8
12
12
12
ADD ALL THE NUMBERS
participants
3 + 15 + 4 + 9 + 12 + 0 + 4 + 8 + 12 + 12 + 12 =
91
is the total
DIVIDE THE TOTAL BY THE NUMBER OF PARTICIPANTS
How many participants are in the data? _______
Now divide 91 by 11 = 8.2727 is the
mean of the data!
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
appears
often
Mode is the number that ___________________ more _____________________.
For example:
3 15 4 9 12 0 4 8 12 12 12
The mode is ___________
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
order
Median
the number in the middle after placing the numbers in _____________________
from greatest to lowest or from lowest to greatest.
For example: 3 15 4 9 12 0 4 8 12 12 12
Order the numbers first! 0 3 4 4 8 9 12 12 12 12 15
The median is ________
greatest
Range The difference between the _________________ number and the _______________
number in the data.
For example:
lowest
3 15 4 9 12 0 4 8 12 12 12
The greatest number is 15
The lowest number is 0
…so, the range is 15 - 0 = __________
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
IT’S YOUR TURN! 
Find the MMMR of each data set.
1.
135, 100, 92, 52, 190, 101, 189, 22, and 136
Median ______ Mode ______ Mean_________ Range __________
2.
4, 8, 45, 77, 192, 183, 152, and 3
Median ______ Mode ______ Mean_________ Range __________