Place Value Flashcards
1
Q
Place vs. value
A
place: the location of the digit
value: how much the digit is worth
2
Q
area
A
area- These shapes all have the same area of 9:
3
Q
expanded notation
A
Writing a number to show the value of each digit
4
Q
digit
A
A symbol used to make numerals.
5
Q
estimate
A
A close guess of the actual value, usually with some thought or calculation involved.
Example: Alex estimated there were 10,000 sunflowers in the field by counting rows.
6
Q
round
A
Rounding means making a number simpler but keeping its value close to what it was.The result is less accurate, but easier to use.