click below
click below
Normal Size Small Size show me how
+ and - Vocabulary
Term | Definition |
---|---|
Addend | One of the numbers in an addition problem |
Difference | Answer to a subtraction problem |
Sum | Answer to addition problem |
Estimate | A number close to an exact amount |
Expression | A mathematical combination of number, operations, and variables |
Inverse Operation | Operations that undo each other; opposite operations |
Addition | An operation that tells how many things there are when two sets are put together or combined |
Subtraction | An operation that takes away one quantity from another |
Operation | Addition, Subtraction, Multiplication, and Division |
Variable | A symbol or letter that represents an unknown number |