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Number Sentence
a completee sentence that uses numbers and symbols instead of words
Commutative Property of Addition
changing the order of addends does not change the sum
Identity Property of Addition
the sum of any number and 0 is equal to the initial number
Sequence
a list of numbers arranged according to a certain rule
Place Value
the value of where a digit is in the number
Word Form
writing a number in words
Value
what a digit is worth
Ten Times
each place has a value 10 times the place to its right
Whole Number
a number that is not a fraction or a decimal
Expanded Form
writing a number in a way that shoes the value of each digit
Period
the value of where a digit is in the number
Fact Family
a group of three numbers related by addition and subtraction or by multiplication and division.
Minuend
the number in a subtraction sentence or equation from which we subtract another number.
Subtrahend
the number being subtracted from another
Difference
the answer in a subtraction equation