SACTIVITY 2 Direction: Choose the letter of the correct answer. 1.It is a letter or symbol that represent a number in an equation. a. constant c. expression b. variable d. equation 2. It has a fixed value that does not change. a. equation b. variable c. constant d. expression 3.It is a mathematical sentence formed by placing an equal sign between two expressions. a. equation b. expression c. constant d. variable 4.It is mathematical phrase that uses variables, numerals and operation symbols. a. expression b. equation c. variables d. constant 5. Which of the following is an example of an expression? a. a number less than 4 is 12. c. the product of 2 and a number is 18 b. 7X-5 = 7 d. thrice the sum of 2 and 5
