Write variable expressions
Key notes:
When writing mathematical expressions, look for keywords to help you identify the operation.
Learn with an example
Write an expression for the operation described below.w divided by 8—
Look for keywords.
w divided by 8
The keywords are divided by. Use the keywords to convert the description into an expression.
w divided by 8
w/8
Write an expression for the operation described below.multiply p by 3—-
Look for keywords.
multiply p by 3
The keyword is multiply. Use the keyword to convert the description into an expression.
multiply p by 3
p . 3
Write an expression for the operation described below.y minus 7—-
Look for keywords.
y minus 7
The keyword is minus. Use the keyword to convert the description into an expression.
y minus 7
y–7
let’s practice!
