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two combine, put together two or more quantities
any number being added
associative property of addition
When the grouping of terms changes, the sum stays the same.
COMMUNICATIVE PROPERTY OF ADDITION
changing the order of the addends does not change the sum
used to represent larger & smaller amounts in a comparison situation
a number with one or more digits to the right of the decimal point
a dot separating the whole number from the fractions in decimals
to separate into components or basic elements
the answer to a subtraction problem
having the same value
A mathematical sentence that contains an equals sign
Identity Property of Addition
The sum of 0 and any number is that number.
to rearrange the formation of a group
an operation that gives the difference between two numbers
the answer to an addition problem
all of an object, group of objects, shape, or quantity