Comparing Numbers
Rounding
Place Value
Addition
Subtraction
100

In one month, 18, 625 cars pass a store. That same month, 6,409 trucks pass that same store. Use < or > to write a comparison between trucks and cars and THEN state which is more, the cars or the trucks.

18, 625 > 6,409 ; more cars.

100

Determine whether the original (first number) has been rounded to (the second number) the nearest thousand, nearest ten thousand, or nearest hundred thousand.


473, 846 ---> 500, 000 

Nearest Hundred Thousand

100

Write two different ways to expand and show 402, 637. Fill in both blanks on both ways.

402, 637 = ___ thousands + ____ tens + 7 ones

402, 637 = ___ hundreds + ____  ones

402, 637 = 402 thousands + 63 tens + 7 ones

402, 637 = 4, 026 hundreds + 37  ones

100

Find the sum then check using rounding to see if your answer is reasonable. Show both the sum and the rounding example.

    3, 548

+  4, 615

___________

    3, 548                       3, 500

+  4, 615                +     4, 600

___________        ____________

8, 163                          8, 100 (yes)

100

Find the difference of 4491, 902 and 312, 684

129, 218

200

In the following number, how does the value of the 8 in the thousands place compare to the value of the 8 to it's right?

488, 630

In 488, 630 , the value of the 8 in the thousands place is 8, 000 and the other 8's value is 80, 000. The value of the 8 in the ten thousands place is 10x the value of the 8 in the thousands place.

200

Determine whether the original (first number) has been rounded to (the second number) the nearest thousand, nearest ten thousand, or nearest hundred thousand.


480, 715 ---> 480, 000

Nearest Ten Thousand

200

Ian counts twelve thousand, two hundred eight steps to hike a trail in the park.

What is this number written in expanded form?

10, 000 + 2, 000 +200 + 8

200

Which equations are true? Choose all the correct answers:


A. 3, 164 + 2, 208 = 5, 372

B. 31, 503 + 6, 623 = 97, 733

C. 5, 487 + 9, 205 = 14,682

D. 30, 885 + 7, 421 = 38,306

E. 16, 217 + 4, 050 = 20,267

A, D, E

200

Which equation can help you best estimate the difference? Solve the original problem using subtraction, and then pick the correct option from the multiple choice.

    32, 518                    A. 30, 000 - 19, 000 = 11,000

+  19, 640                    B. 30, 000 - 20, 000 = 10,000

___________               C. 32, 000 - 20, 000 = 12,000

                                   D. 33, 000 - 20, 000 = 13,000

    32, 518                    ;     D

+  19, 640

___________

     12, 878

300

Choose < or > to complete the comparison for the number below.


14, 021 ___ 4, 988


14, 021 > 4, 988

300

Determine whether the original (first number) has been rounded to (the second number) the nearest thousand, nearest ten thousand, or nearest hundred thousand.


450, 903 ---> 451, 000

Nearest Thousand

300

Look at the below number value chart, then decide which of the following choices are a correct way to write that number.

    Ten               

Thousands     Thousands    Hundreds    Tens   Ones 

      3                   2                0              7          9


A. 32, 079

B. three thousand, two hundred seventy-nine

C. 30, 000 + 2, 000 + 70 + 90

D. thirty-two thousand, seventy-nine

E. 30, 000 + 2, 000 + 700 + 9

A, C, D

300

Find the sum of the three numbers: 2,591; 43,218; 75, 043

120,852



300

Researchers count 15, 416 birds at a wildlife preserve. They also count 10, 855 land animals and 6, 954 water animals. 

How many more birds than land animals do they count?

4, 561

400

Choose < or > to complete the comparison for the numbers below.


25, 100 ___ 21, 555

 3, 170  ___ 3, 200

74, 328 ____ 74, 832


25, 100 > 21, 555

 3, 170  < 3, 200

74, 328 < 74, 832

400

Round 93, 600 and 51, 429. Then find the difference of the rounded numbers. Both parts are required to receive points on this answer.

   94, 000

-  51, 000

________

    43, 000

400

What number has 62 ones, 20 ten thousands, and 300 tens?

203, 062

400

Find the number missing:

    _ _, _ _ _

+   17, 516

_____________

     88,003

    70, 487

+   17, 516

_____________

     88,003

400

Find the difference between 80, 508 and 31,632

48,876

500

Researchers count 15, 416 birds at a wildlife preserve. They also count 10, 855 land animals and 6, 954 water animals. 

Teresa and Mark both round the number of water animals, but they each round to different place values. Their rounded numbers are the same. To which place value did each of them round?


A. Teresa rounds to the nearest hundred, and Mark rounds to the nearest ten

B. Teresa rounds to the nearest thousand, and Mark rounds to the nearest ten

C. Teresa rounds to the nearest thousand, and Mark rounds to the nearest hundred

D. Mark rounds to the nearest hundred, and Teresa rounds to the nearest ten

C

500

Which numbers have been correctly rounded to the nearest ten thousand. Choose all of the correct answers.

A.   13, 500 ---> 10, 000

B. 620, 499 ---> 600, 000

C. 456, 234 ---> 460 , 000

D. 324, 985 ---> 320, 000

E.  129, 302 ---> 129, 000

A, C, D

500

A taxi is driven 36, 704 miles. Round 36, 704 to each place value given below.

36, 704 to the nearest ten thousand ______

36, 704 to the nearest thousand ______

36, 704 to the nearest hundred ______

36, 704 to the nearest ten  ______


36, 704 to the nearest ten thousand 40, 000

36, 704 to the nearest thousand 37, 000

36, 704 to the nearest hundred 36, 700

36, 704 to the nearest ten  36, 700

500

Figure out the missing numbers:

     _ _ , 000           _ 52, 681

-   42, _ _ _        -     _4, _ _ _

____________       __________

26, 453                   117, 861

     69 , 000           1 52, 681

-   42, 547        -     34, 820

____________       __________

26, 453                   117, 861

500

Is this equation correct? Check via addition. If it's wrong, find the correct answer and state what the mistake is (USING WORDS).

   438, 620

-  359, 419

__________

    81, 201

Not correct, they reversed the numbers in the thousands place, and never regrouped as a result. 

   438, 620

-  359, 419

__________

   79, 201