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.
Do this: Read the concept below, then try the quiz or activity.
Lesson 3 of 192
1%
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.