hundred thousand
1,000,000
100,000
10 ten thousands
2 ten thousands
standard form
a number written with one digit for each place
10,000 + 2,000 + 300 + 40 + 5
12,345
a number written to show the value of each digit
word form
twelve thousand, three hundred forty five
a number written in words
periods
a group of three places
representing less of a quality
the value of a digit in a place in a number
expanded form