Translate each of the following phrases into a mathematical expression:
The sum of a number and [beautiful math coming... please be patient] $\,3\,$:  [beautiful math coming... please be patient] $x + 3$ 
The product of a number and [beautiful math coming... please be patient] $\,3\,$:  [beautiful math coming... please be patient] $3x$ 
The sum of two numbers:  [beautiful math coming... please be patient] $x + y$ 
Three times the sum of two numbers:  [beautiful math coming... please be patient] $3(x + y)$ 
Three times a number:  [beautiful math coming... please be patient] $3x$ 
Three less than a number:  [beautiful math coming... please be patient] $x  3$ 
A number, less [beautiful math coming... please be patient] $\,3\,$:  [beautiful math coming... please be patient] $x  3$ 
Three more than a number:  [beautiful math coming... please be patient] $x + 3$ 
A number, plus [beautiful math coming... please be patient] $\,3\,$:  [beautiful math coming... please be patient] $x + 3$ 
The square of a number:  [beautiful math coming... please be patient] $x^2$ 
The square of three times a number:  [beautiful math coming... please be patient] $(3x)^2$ 
Three times the square of a number:  [beautiful math coming... please be patient] $3x^2$ 
Onethird of a number:  [beautiful math coming... please be patient] $\frac{x}{3}$ or [beautiful math coming... please be patient] $\frac 13 x$ 
One less than [beautiful math coming... please be patient] $\,3\,$ times a number:  [beautiful math coming... please be patient] $3x  1$ 
Two more than [beautiful math coming... please be patient] $\,5\,$ times a number:  [beautiful math coming... please be patient] $5x + 2$ or [beautiful math coming... please be patient] $2 + 5x$ 
The square of the sum of two numbers:  [beautiful math coming... please be patient] $(x + y)^2$ 
The sum of the squares of two numbers:  [beautiful math coming... please be patient] $x^2 + y^2$ 
CONCEPT QUESTIONS EXERCISE:
On this exercise, you will not key in your answer.However, you can check to see if your answer is correct. 
PROBLEM TYPES:
