Transcript Rounding Whole Numbers

Rounding
to the nearest
ten thousand & hundred thousand
A Teacher-Led Presentation
Virginia Standards of Learning
(SOL) 4.1c
The student will identify
(orally and in writing)
the place value for each digit in a whole
number expressed through millions;
TEACHER NOTES
• This presentation is a resource to assist with teaching
students to read large numbers by identifying periods and
place value.
• The lesson gives students only two answers to choose
from. This reinforces the idea of a particular place
value staying the same or increasing by one.
• There is opportunity to assess student understanding, so
make sure students have pencil and paper (or math
notebooks) available.
Round this number to the
nearest ten thousand.
8,127,983
The 2 is in the ten thousands place.
Look to the right . The 7 helps you decide.
Will the 2 stay the same or become a 3.
8,120,000
8,130,000
Round this number to the
nearest ten thousand.
5,083,157
The 8 is in the ten thousands place.
Look to the right . The 3 helps you decide.
Will the 8 stay the same or become a 9?
5,080,000
5,090,000
Round this number to the
nearest ten thousand.
4,958,067
The 5 is in the ten thousands place.
Look to the right . The 8 helps you decide.
Will the 5 stay the same or become a 6?
4,950,000
4,960,000
Round this number to the
nearest ten thousand.
4,673,152
The 7 is in the ten thousands place.
Look to the right . The 3 helps you decide.
Will the 7 stay the same or become a 8?
4,670,000
4,680,000
Round this number to the
nearest hundred thousand.
8,205,983
The 2 is in the hundred thousands place.
Look to the right . The 0 helps you decide.
Will the 2 stay the same or become a 3?
8,200,000
8,300,000
Round this number to the
nearest ten thousand.
5,348,127
The 4 is in the ten thousands place.
Look to the right . The 8 helps you decide.
Will the 4 stay the same or become a 5?
5,340,000
5,350,000
Round this number to the
nearest hundred thousand.
7,631,248
The 6 is in the hundred thousands place.
Look to the right . The 3 helps you decide.
Will the 6 stay the same or become a 7?
7,600,000
7,700,000
Let’s Practice Together
Can you identify:
• which number is in the given place?
• which number will help you decide?
• two possible answers?
Round this number to the
nearest hundred thousand.
7,631,248
Which number is in the hundred thousands place?
Which number will help you decide how to round?
What are the two possible answers?
7,600,000
7,700,000
Round this number to the
nearest hundred thousand.
4,562,098
Which number is in the hundred thousands place?
Which number will help you decide how to round?
What are the two possible answers?
4,500,000
4,600,000
Round this number to the
nearest hundred thousand.
3,695,271
Which number is in the hundred thousands place?
Which number will help you decide how to round?
What are the two possible answers?
3,600,000
3,700,000
Round this number to the
nearest hundred thousand.
8,937,422
Which number is in the hundred thousands place?
Which number will help you decide how to round?
What are the two possible answers?
8,900,000
9,000,000
Round this number to the
nearest hundred thousand.
1,548,346
Which number is in the hundred thousands place?
Which number will help you decide how to round?
What are the two possible answers?
1,500,000
1,600,000
Round this number to the
nearest hundred thousand.
6,427,812
Which number is in the hundred thousands place?
Which number will help you decide how to round?
What are the two possible answers?
6,400,000
6,500,000
Round this number to the
nearest hundred thousand.
4,716,001
Which number is in the hundred thousands place?
Which number will help you decide how to round?
What are the two possible answers?
4,700,000
4,800,000
Round this number to the
nearest hundred thousand.
5,114,348
Which number is in the hundred thousands place?
Which number will help you decide how to round?
What are the two possible answers?
5,100,000
5,200,000
Round this number to the
nearest hundred thousand.
7,365,981
Which number is in the hundred thousands place?
Which number will help you decide how to round?
What are the two possible answers?
7,300,000
7,400,000
Round this number to the
nearest hundred thousand.
6,241,724
Which number is in the hundred thousands place?
Which number will help you decide how to round?
What are the two possible answers?
6,200,000
6,300,000
Round this number to the
nearest hundred thousand.
9,348,625
Which number is in the hundred thousands place?
Which number will help you decide how to round?
What are the two possible answers?
9,300,000
9,400,000
Try These On Your Own
Round to the nearest hundred
thousand:
A.
B.
C.
D.
E.
4,349,128
254,498
3,561,490
6,789,120
8,451,308
4,300,000
300,000
3,600,000
6,800,000
8,500,000
Try These On Your Own
Round to the nearest
hundred thousand:
F. 6,279,169 6,300,000
200,000
G. 174,495
6,600,000
H. 6,597,341
2,100,000
I. 2,148,743
4,100,000
J. 4,063,620
Try These On Your Own
Round to the nearest ten thousand:
A.
B.
C.
D.
E.
4,349,128
254,498
3,561,490
6,789,120
8,451,308
4,350,000
250,000
3,560,000
6,790,000
8,450,000
Try These On Your Own
Round to the nearest ten thousand:
F. 6,279,169
G. 174,495
H. 6,597,341
I. 2,148,743
J. 4,063,620
6,280,000
180,000
6,600,000
2,150,000
4,060,000