Funded by the soybean checkoff.
www.ilsoy.org
Rounding It All
Rounding It All
Out
Out
Grade Level: 4-6 Mathematics
Math
Grade Level: 4-6 Mathematics
Math
Objective: This activity will allow students to practice skills of rounding numbers to the nearest
tenth
andactivity
hundredth.
Students
should
exhibit skills
an understanding
mean, to
medium,
and mode.
This
will allow
students
to practice
of rounding of
numbers
the nearest
Objective:
enth and hundredth. Students should exhibit an understanding of mean, medium, and mode.
Illinois Learning Standards: Math 10.A.2a; 10.A.2b; 10.A.2c; 10.B.2b; 10.B.2c Assessment Framework:
Standard
10.4.03
Math 10A
10.A.2a;
10.A.2b; 10.A.2c; 10.B.2b; 10.B.2c Assessllinois Learning
Standards:
ment Framework: Standard 10A 10.4.03
Suggested Reading Materials:
The
Super Soybean
by Raymond Bial
uggested
Reading
Materials:
Soybean
Ag MagBial
he Super AITC
Soybean
by Raymond
AITC Soybean Ag Mag
Materials Needed
Paper
MaterialsGraph
Needed
Ruler
Graph Paper
Colored pencils
uler
olored pencils
Introduction: One of Illinois’ most important cash crops is the soybean. This exercise allows
studentsOne
to practice
rounding
numbers in
thecrops
ones, istens,
thousands,
even millions.
ntroduction:
of Illinois’
most important
cash
the hundreds,
soybean. This
exerciseand
allows
will be able
to see the
actual
production
numbers
for their and
home
state
and maybe even
tudents toStudents
practice rounding
numbers
in the
ones,
tens, hundreds,
thousands,
even
millions.
their
Along
rounding
students
willhome
also state
be asked
workeven
with mean, metudents will
be county.
able to see
the with
actualpracticing
production
numbers
for their
and to
maybe
dium,
mode
range. rounding students will also be asked to work with mean, meheir county.
Along
withand
practicing
ium, mode and range.
Lesson Extenders!
1. Obtain a quart jar of soybeans from a local farmer or your local County Farm Bureau ManLesson Extenders!
ager.jarCount
the number
beansfarmer
in theor
jar.your
Have
students
howManmany beans are in
. Obtain a quart
of soybeans
fromof
a local
local
Countydetermine
Farm Bureau
or how
much in
thethe
beans
in the jar.determine how many beans are in
ager. Countthethequart
number
of beans
jar. weigh
Have students
the quart or how much the beans weigh in the jar.
Adapted from “Rounding It All Out”, Illinois Farm Bureau® Agriculture in the Classroom
29
Funded by the soybean checkoff.
www.ilsoy.org
Name______________________________ Today’s Date_________________
Below are recent soybean production numbers for select counties. Round the production numbers to the degree stated in the box nearest to your answer box.
Helpful Hint Chart
Number
Name
How Many
100
One hundred
Ten tens
1,000
One thousand
Ten hundreds
10,000
Ten thousand
Ten thousands
100,000
One hundred thousand
One hundred thousands
1,000,000
One million
One thousand thousands
County
Total Soybean Production
(2005)
Rounded Number to the
Nearest
Your Answer
McLean
61,771,541
Hundredth
1.
Iroquois
59,763,200
One hundred thousand
2.
Henry
42,333,642
One millionth
3.
Bureau
49,978,200
One thousandth
4.
Livingston
53,358,800
Ten thousandth
5.
Whiteside
39,875,549
Hundred thousandth
6.
Sangamon
43,353,635
Hundredth
7.
Lee
45,251,000
One hundred thousandth
8.
Champaign
52,906,322
One millionth
9.
Reprinted with Permission of Illinois Farm Bureau® Agriculture in the Classroom