In this lesson you will learn how to read and write algebraic expressions by using variables.
15 ÷ 3 4 x 6 5 + 3 - 2 12 - 3
“10 less than a number” is NOT the same as “10 minus a number.” Read carefully and don’t forget the variable!
Variable- a letter that takes the place of a number x, y, a, b, l, w, h
+ add, plus, total, sum, increased by subtract, minus, difference, decreased by, less than x multiply, product, total _ divide, quotient, break into equal parts
In this lesson you have learned how to read and write algebraic expressions by using variables.
Write an algebraic expression for the following: 12 less than x seventeen more than y
Write the following algebraic expressions in two different ways in word form: