Write the sentence using mathematical symbols.
A number (call it $n$n) plus one.
Write the following using numbers and symbols.
Write the expression using mathematical symbols and numbers.
What does the algebraic expression $m+67$m+67 represent?
Write expressions that record operations with numbers and with letters standing for numbers.
Identify parts of an expression using mathematical terms (sum, term, product, factor, quotient, coefficient); view one or more parts of an expression as a single entity.
Use variables to represent numbers and write expressions when solving a real-world or mathematical problem; understand that a variable can represent an unknown number, or, depending on the purpose at hand, any number in a specified set.