Question

Fill in the blanks!

Model this unknown number situation by writing an algebraic expression.
Three less than a number

Let n be the unknown number.
To get less than the number, we need to take 3 away.
_ - _
Be careful!

With subtraction, the _ does matter.

Answer 1

Let n be the unknown number. To model "three less than a number," we can write the algebraic expression as:

\( n - 3 \)

Be careful! With subtraction, the order does matter.