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All About Rounding
Math in the Real World
100

Look at the number:  661


The 6 in the hundreds place is ____ times bigger than the 6 in the tens place.  

What is 10?

100

Look at the number:  375,081


The value of the 7 is _________________

What is 70,000.


7 ten thousands = 70,000

100

Use >, <, or = to compare:


45,895  ____  238,947

What is 45,895 < 238,947


5 digits is less than 6 digits.

6 digits is greater than 5 digits.

100

186,723 rounded to the nearest ten thousand is _________ 

What is 190,000?

100

The NFL noted the number of fans in attendance at three games.  

       GAME                            ATTENDANCE

Redskins vs. Titans             65,845 people 

Patriots vs. Colts                68,352 people

Ravens vs. Panthers           67,684 people

The attendance at this game has an 8 in the thousands place.

What is Patriots vs. Colts.

200

True or False:

Each place in a multi-digit is ten times larger than the position on it's right.

What is true.

200

Write three hundred fifty six thousand, two hundred eight.

What is 356,208.



200

Select the 2 correct answers that finish the comparison.      


                   42,613 < __________


A. 42,614

B. 42,514

C. 42,713


What is A and C?

200

463,067 rounded to the nearest ten thousand is ______________


A. 500,000

B. 460,000

C. 463,000

D. 470,000

B. 460,000


TEN THOUSAND

200

Mrs. Frazier has $1345. Ms. Ohene has $5895. How much money will they have if they put their money together?

What is $7,240

300

This can be said to compare the thousands place and the tens place.


The thousands place is ____ times bigger than the tens place. 

What is 100? 


The hundreds is 10x bigger than tens.  The thousands is 10x bigger than hundreds.  10x10=100.

300

True or False?

The value of 4 in 943,268 is 4,000.

False.


The value of 4 is 40,000.

300

The Kindergarten students have 13,546 letters in their first and last names.  First grade students have 13,585 letters.  Second grade has 13,056 letters.  Third grade has 12,864 and fourth grade has 12,476.  List the number of letters in order from least to greatest.  Then, name the grade that has the most and least amount of letters.

What is 12,476<12,864<13,056<13,546<13,585

Grade with the least letters: 4th Grade

Grade with the most letter: 1st Grade

300

A male tortoise weighs 3,728 pounds.  A female tortoise weighs 2,843 pounds.  To the nearest hundred, what is the total weight of the two tortoises?

What is 6,500 pounds.

300

Mr. Payne is buying construction paper for his fourth-grade class for the year. He needs exactly 14,830 pieces of construction paper for the whole year. To make sure he gets enough, Mr. Payne decided to round the amount of construction paper he needs to the nearest thousand. How many pieces of construction paper will Mr. Payne buy?

What is 15,000?

400

The number of lizards in American zoos is 20,000.  The number of birds is ten times the number of lizards.

How many birds are in American zoos?

What is 200,000 birds.

20,000 x 10 = 200,000

400

James went to the Sounds game.  He forgot the number of people that attended the game.  He does remember that the number had four digits and a 3 in the tens place.  

The number James could be thinking of is ______.

What is 1237?

Must have a 3 in the tens and be a four digit number.

400

Which of the following statements are true?

A. 1,622 < 1,335 

B. 3,980 < 3,809 

C. 4,054 < 4,540 

D. 5,765 > 6,235 

E. 14,234> 4,234 

C. 4,054 < 4,540

E. 14,234 > 4,234

400

The number of fans who came to the Titans game last season rounded to the nearest ten thousand was 360,000.  Pick all the options that could be the exact attendance.

A. 362,957

B. 400,000

C. 357,486

D. 353,857

What is A and C. 

400

Students at three elementary schools collected a total of 34,592 cans of food to donate to a local food bank. Students at Liberty Point collected 10,234 cans of food, while students at College Park Elementary School collected 12,252 cans of food. How many cans of food did students at S.L Lewis Elementary School collect?

What is 12,106?

500

Which base ten numeral represents 

forty-seven thousand, three hundred five?

What is 47,305?  


40,000 + 7,000 + 300 + 5

500

Look at the number 736,144.


Record this number in the SIMPLEST DECOMPOSED expanded form.

What is (7x100,000)+(3x10,000)+(6x6,000)+(1x100)+(4x40)+(4x1)?

500

Ms. Sharon wrote a comparison on the board, as shown.

56,625  ____  57,243

Bobby says 56,625 is greater.  Dylan says 57,243 is greater.

Who is correct and why?

A. Bobby is correct because the hundreds digit in 56,625 is greater than the hundreds digit in 57,243.

B. Dylan is correct because the value of the tens place in 57,243 is greater than the value of the tens place in 56,243.

C. Dylan is correct because the value in the thousands place in 57,243 is greater than the value in the thousands place in 56,625.

What is C.

500

What number rounds to 170,000 when rounded to the nearest ten thousand and rounds to 174,000 when rounded to the nearest thousand? 

A. 169,430

 B. 174,340

 C. 174,660 

D. 174,540

What is B 174,340?

500

Mrs. Frazier’s water bottle holds 1000 ml of water. If she drank 345 ml during lunch and 269 ml after recess, how much water is left in her water bottle?

What is 386?