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Whole & Decimal Place Value
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whole numbers, digits, place value, period, comparing, symbols,forms
Terms in this set (25)
whole numbers
the set of numbers that start with zero & go on forever; NOT fractions or decimals
digits
the ten symbols used to write all other numbers (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)
place value
The number a digit
represents, which is
determined by the
position of the digit.
period
A group/family of 3 digits in a number; separated by commas starting from the right
standard form
the form of a number written in groups of 3 digits starting from the right;
Ex. 345, 720
expanded form
the form of a number that shows the value of each digit;
Ex. 300,000+40,000+5,000+700+20+5
word form
the form of a number written in words using place value
Ex. three hundred forty-five thousand, seven hundred twenty
...its right
Each place is 10 times the value of the place to ____
compare
to determine if two quantities are greater than, equal to, or less than each other
equal sign
a symbol that shows two amounts have the same value
greater than
the symbol >; shows the first set is larger than the second set; also more than
less than
the symbol <; shows the first set is smaller than the second set; also fewer
decimal number
A decimal is any number in our base-ten number system that is part of a whole number.
example:
1/2 is the same as 0.5
one dollar and 5 cents= $1.05 = 1 and 5/100
equivalent decimals
Decimals that name the
same amount.
Example: 0.7=0.70
exponential form
when a number is written with a base and exponent
base
the number being multiplied by the exponent
exponent
The number of times a BASE number is multiplied by ITSELF
powers of ten
Numbers with a base of 10 and an exponent that states how many times the number 10 should be multiplied by itself
tenths value
The 3 represents what place value in the number: 4,267.385?
hundredths value
The 8 represents what place value in the number: 4,267.385?
thousandths value
The 5 represents what place value in the number: 4,267.385?
thousands value
The 4 represents what place value in the number: 4,267.385?
hundreds value
The 2 represents what place value in the number: 4,267.385?
tens value
The 6 represents what place value in the number: 4,267.385?
ones value
The 7 represents what place value in the number: 4,267.385?
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