Write variable expressions

Writing variable expressions is like translating from English to 'math-lish'. You are taking a word phrase and representing it with variables, numbers, and operations.

Lesson 3

Concept

**Keywords to look for:** * **Addition:** sum, plus, increased by, more than * **Subtraction:** difference, minus, decreased by, less than * **Multiplication:** product, times, of * **Division:** quotient, divided by, ratio of **Examples:** * "The sum of a number and 5" -> x + 5 * "10 less than a number" -> y - 10 * "The product of 7 and a number" -> 7z * "A number divided by 3" -> a / 3

Try it

Practice: Write variable expressions.