Standard, Word, and Expanded Form
What would this number be in standard form?
100 + 50 + 3
153
The form of a word that uses written words.
Word form.
When the number next door is 5 or greater.
7,001 and 7,010
7,001 < 7,010
What is the value of the digit in the hundreds place?1,804
800
Write this number in word form: 190
one hundred ninety
The usual way of writing a number that shows only its digits.
Standard form.
When does the digit in a place value stay the same when rounding?
When the number in the place value next door is 4 or less.
18,880 and 17,880
18,880 > 17,880
What is the value of the digit in the thousands place?
24,790
4,000
Write this number in expanded form: 93,333
90,000+3,000+300+30+3
A way to write a number as a sum that shows the value of each digit.
Expanded form.
Round this number to the nearest hundred.
14,583
14,600
901,765 and 901,755
901,765 > 901,755
What is the relationship between the 2 in the first number and the 2 in the second number?
207 and 2,197
The two in 207 is ten times less than the two in 2,197.
OR
The two in 2,197 is ten times more than the two in 207.
What is this number in standard form?
Two hundred thirty-five thousand, six hundred
235,600
A grouping of three digits in a number.
A period.
Round this number to the nearest thousand.
79,158
79,000
801,108 and 801,801
801,108 < 801,801
In which number does the digit 5 have a value that is ten times the value of the digit 5 in 15,738?
A. 56 C. 5,387
B. 512 D. 53,901
D. 53,901
Write this number in expanded form: 4,086,321
4,000,000+80,000+6,000+300+20+1
One way to determine a reasonable estimate.
By rounding.
Round this number to the nearest ten thousand.
898,157
900,000
6,429 and 8,108 and 7,946
6,429 < 7,946 < 8,108
Example: 205, 351, 567
If a digit goes up a place value, it is 10 times bigger.
If a digit goes down a place value, it is 10 times smaller.