Download 3rd chapter 12 lesson 7

Name
Measurement and Data
3.MD.4, 3.OA.3
Lesson 7
Collect and Display
Measurement Data
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Mrs. Carnes measured her students at the
beginning of the school year and then again
half way through the year. She recorded their
growth in a tally chart. What is the most frequent
measurement of growth of Mrs. Carnes’ students?
Use a line plot to display the data.
Students’ Growth in
Third Grade
Measurement
1
in.
4
2
in.
4
3
in.
4
4
in.
4
1
1 in.
4
2
1 in.
4
Students’ Growth in Third Grade (inches)
0
1
4
2
4
3
4
4
4
1
14
Tally
2
14
The most frequent measurement of growth is _ of an inch,
4
or 1 inch.
4
Practice
1. Tell why, in the line plot above, there are no Xs above _ of
4
an inch.
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Sample answer: There were no tallies in the tally chart for that
length.
2. Did more of Mrs. Carnes’ students grow an inch or more or
less than an inch? Explain.
_
An inch or more; Sample answer: 4 of an inch is one inch so 7 of
4
the 12 students grew an inch or more.
Lesson 7 My Homework733
3. Ribbon can be bought in many different widths.
The tally chart shows how many spools of each
width of ribbon can be bought. Represent the
measurement data in a line plot.
Ribbon Widths (inches)
0
1
4
2
4
3
4
4
4
1
2
14
14
Ribbon Widths
Width
Tally
1
in.
4
2
in.
4
3
in.
4
4
in.
4
1
1 in.
4
2
1 in.
4
Problem Solving
4.
2
Use Number Sense Which two widths, of
different length, when put together will equal _ of an inch or
4
1 whole inch?
4
_1 inch and _3 inch
4
4
5. Which two widths, of different length, when put together will
1
equal 1_ inches? Explain.
_
4
_
_
Sample answer: 4 inch and 1 inch; 4 inch is the same as 1 inch.
4
1
6.
4
4
Make Sense of Problems Which has a
greater combined width, two spools of ribbon that are each
2
4
_
inch in width, or one spool that is _ inch in width? Explain.
2 +_
2 4
4
_
They are equal in width.
equal _
, or 1 inch.
4
4
4
Test Practice
7. How many spools of ribbon are represented in the line plot for
Exercise 3?
A
1_ spools
C
15 spools
B
14 spools
D
16 spools
2
4
734Need more practice? Download Extra Practice at
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