posted by John .
I will distribute a piece of paper to each of you. Hand down the pieces of paper (In a line composed of two people in each row.). Pass them to the students back. Do you have a piece of paper? OK. Write down your name on the paper. Then take the paper attached to the double-edged tape. Then you can paste the paper on your left chest. Are you done? All right. Let's do the Introducing Game.
Is my explanation grammatical?
Would you let me know more useful expression?
I'd delete the second sentence. The first and third sentences give all the needed instructions.
Use "double-sided" instead of "double-edged" tape.
Instead of "paste," the word "attach" is better.
"Let's play..." -- not "Let's do..."
Everything else looks good.