PreAlgebra Chapter 1

12345
Across
  1. 3. contain a combination of numbers and operations such a addition, subtraction, multiplication, and division.
  2. 5. Find the numerical value
Down
  1. 1. A letter of symbol used to represent an unknown value
  2. 2. PEMDAS Parentheses, Exponents, Multiply and/or Divide, Add and/or Subtract
  3. 4. a branch of mathematics that uses symbols