Mind Reading Trick #1 Step I Pick a number between 1 and 10.
Step 2 Subtract from your number
Step 3. Multiply the number you got in step 2 by 3
Step 4 Add 12 to the number you got in step 3
Step 5 Divide the number you got in step 4 by 3.
Step 6 Add 5 to the number you got in stop 5
Step 7. Subtract your original number (the number you picked in step 1)
from the number you got in step 6
And now for the magical reveal (drum roll...)
You are now thinking of the number 8
1. Figure out why this magic trick works by writing out each step
symbolically Begin by letting x represent the number chosen in step 1.
and then write an algebraic expression to represent the result after each
subsequent step
Step 1 x
Step 2 x-1
Step 3
Step 4.
Step 5
Step 6
Step 7