Place Value
How numbers are related to one another.
relationship
To replace a number with a number that tells about how much or how many to the nearest ten, hundred, thousand, and so on.
round
Ten THOUSANDS. One hundred HUNDREDS. One thousand TENS. Ten Thousand ONES.
ten thousands
Ten ones.
tens
Ten HUNDREDS. One hundred TENS. One thousand ONES.
thousands
A number written as the sum of the values of its digits.
Expanded Form
The number with the fewest value.
least
The first number is "smaller" than the second number.
less than
Our number system is based on groups of ten. Whenever we get 10 in one place, we move to the next greater place.
Base Ten System
The value given to a place a digit has in a number.
Place Value
The way to write a number showing only digits.
Standard Form
A number written in words.
Word Form
Paper money
bill
Amount of money LESS than a DOLLAR.
cents
Metallic round money
coins
To decide if one number is greater than or less than another number.
compare
The dot used to separate dollars from cents.
decimal point
The symbols used to write the numbers o, 1, 2, 3, 4, 5, 6, 7, 8, and 9.
digits
Two NICKELS. Ten PENNIES.
dime
Two HALF-DOLLARS. Four QUARTERS. Ten DIMES. Twenty NICKELS. One hundred PENNIES.
dollar
The symbol used to indicate money.
dollar sign
The first number is the "same" as the second number.
equal to
The first number is "larger" than the second number.
greater than
The number with the most value.
greatest
Two QUARTERS. Five DIMES. Ten NICKELS. Fifty PENNIES.
half dollar
Ten TEN THOUSANDS. One hundred THOUSANDS. One thousand HUNDREDS. Ten thousand TENS. One hundred thousand ONES.
hundred thousands
Ten TENS. One hundred ONES.
hundreds
Currency used to buy.
money
Five PENNIES.
nickel
A line that shows numbers in order using a scale.
number line
The smallest unit of the base-10 system.
ones
When you arrange numbers from least to greatest or from greatest to least.
order
The smallest unit of money.
penny
A group of three digits in a number, separated by a comma.
period
Five NICKELS. Twenty-five PENNIES.
quarter
