Ten Wins

 
Fun with Numbers

You can use expressions to have fun with 
numbers. Here is a number game called 
Ten Wins.

Follow the steps and play Ten Wins.

Steps                    Expression Example
a. Pick any whole number.    x         1
b. Double it.               2x         2
c. Add 20.               2x + 20      22
d. Divide that number 
   by 2.                  x + 10      11
e. Subtract the number you
   started with. The
   result is always 10.    10         10

This game is called Ten Wins because no matter what number you start with, the result is always 10.

Write the expression for each step
 in the number game.

 1.
Steps                   Expression Your #

a. Pick any whole number.
b. Add 12.
c. Double that number.
d. Subtract 8.
e. Divide by 2.
f. Subtract your original number.
The result is always _________.


2.
Steps                   Expression Your #

a. Pick any whole number.
b. Add 5.
c. Triple that number.
d. Subtract 6.
e. Divide by 3.
f. Subtract your original number.
g. The result is always ________.

3. On another sheet of paper, write another number game whose result is always the same number that you started with.