Unit Two: Expressions & Equations
Variable
A variable is symbol for a number we don't know. |
Coefficient
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Expression
A expression is numbers, symbols, and operations grouped together that show the value of something. Associative Property
Associative Property states that you can group the numbers any way you want, by multiplying or adding either way it will equal the other equation. Commutative Property
When having a equation you can use the same numbers but swap them for different places. Exponent
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Like Terms
Distributive Property
It states that multiplying a number by a group of numbers added together is the same as doing each multiplication separately. Zero Property
When multiplying two products the sum will be zero. "Zero Property" is also known as "Rule of Zero". There are two types of Zero Properties, one is with adding and the other (shown below) multiplication. Identity Property
Just like Zero Property there is a multiplication and addition part of Identity Property. When adding two products, (For example) 9+0 |