6th Grade Math Textbook, Progress

(Marvins-Underground-K-12) #1
1
Numeration I

Whole Numbers: Place Value, Compare, and Order


Name the period of the underlined digits.


  1. 943,862 2. 802,400,253 3. 603,411,218 4. 9,527,000


Write the place of the underlined digit. Then write its value.


  1. 73 6. 6,423,728 7. 36,250 8. 24,983,402


Write in order from greatest to least.


  1. 9996; 999; 10,000; 9997 10. 32,423; 38,972; 36,401; 31,276


There are no hundred
thousands in the other
numbers. 130,434 is
greatest.

39,630
19,578
1 30,434
36,415

3  3 and 1  3
19,578 is least.
6  9
36,415 39,630

39 ,630
1 9,578
130,434
36 ,415

The value of each digit in a number depends on its place in the
number. Each place is 10 times the value of the next place to its right.

The 4 in 74 is in the ones
place. Its value is 4 ones, or 4.

The 4 in 741 is in the tens
place. Its value is 4 tens, or 40.

The 4 in 7415 is in the
hundredsplace. Its value
is 4 hundreds, or 400.

To compare and order whole numbers:
Align the digits by place value.
Compare the digits in each place, starting with the greatest place.

In order from greatest to least, the numbers are:
130,434; 39,630; 36,415; 19,578.

Millions
Period

Thousands
Period

Ones
Period

hundredstensoneshundredstensoneshundredstensones
74
741
7415

(^84297415) , , 8
Each period contains 3 digits.
8206-2_1-25 4/10/06 2:01 PM Page 1

Free download pdf