Assessment Want even more practice? Writing multi-part algebraic expressions Some expressions are slightly more complicated than the ones we looked at on the last page. For instance, you must know the significance of a variable, which is a letter that acts as a placeholder for an unknown number.
It's multiplication and the reason why once you start doing algebra, you use this symbol instead of that kind of cross for multiplication is that x-looking thing gets confused with x when you're using x as a variable so that's why this is a lot more useful.
Have you ever split a check among three people? In addition, when you encounter this math word difference make sure to pay attention to the order. Updated April 24, By Amy Harris In order to write algebraic expressions successfully, you must have some familiarity with fundamental algebraic operations and key terms.
Check my answer. For instance, think about the word sum.