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7th Grade
Chapter 2 Vocab.
Question | Answer |
---|---|
Variable | A ______ is a letter that stands for a number. |
Algebraic Expression | A mathematical phrase that uses variables, numbers, and operations. |
Equation | A mathematical sentence with an equal sign. |
Inverse Operation | Operations that undo each other. |
Addition Property of Equality | The _______ states that if the same value is added to each side of an equation, the results are equal. |
Subtraction Property of Equality | The ______ states that if the same number is subtracted from each side of an equations, the results are the same. |
Division Property of Equality | The ______ states that if both sides of an equation are divided by the same nonzero number, the results are equal. |
Multiplication Property of Equality | The ________ states that if each side of an equation is multiplied by the same number, the results are equal. |