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Place Value Vocabulary

Terms in this set (29)

digits
Any of the symbols used to write numbers (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)
place value
The value of the place of a digit in a number.
millions
100,000,000 10,0000,000 1,000,000
billions
100,000,000,000 10,000,000,000 1,000,000,000
standard form
A common or usual way of writing a number using digits.
expanded form
A way of writing numbers in which the numbers are written to show the place value of each digit (639 = 600 + 30 + 9)
word form
A way to write numbers by using words.
10 times "bigger"
A number increases by 10 when it's one place over to the left and is the same digit. (x10)
one-tenth "smaller"
A number decreases by 10 when it's one place over to the right and is the same digit. (/10)
decimal point
A period separating the ones and the tenths in a decimal number.
tenths
The first place value after a decimal point.
hundredths
The place to the right of tenths
compare
Show how things are similar or different
greater than
When a number is larger than the other number.
less than
When a number is smaller than the other number.
equal
When numbers have the same value.
whole numbers
Any of the numbers 0, 1, 2, 3, 4, 5, and so on.
numerator
The number on the top of a fraction.
denominator
The bottom number in a fraction
number line
A diagram that represents numbers as points on a line.
rounding
To estimate to a given place value.
addends
The numbers that add together to make a sum.
sum
The answer to an addition problem.
minuend
The first number in a subtraction problem.
subtrahend
A number that is subtracted.
difference
The answer to a subtraction problem.
total
to add
how many more
means to subtract
how many less
subtract
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