Can somebody correct the content of my presentation?(grammar)?

Question

I'm kind of struggling with the grammar on the content of my presentation. I'm a foreign student. so, i don't know whether my
grammar is correct or not.
My first question is....
is it Ok if i say " I'm going to tell you guys about my name tag"
before i start to explain my presentation??
is it awkward?

and please correct this sentences.

1. Hello in Korean is annyon.
2. As you can see the first picture, it said hello in 3 different languages.
3. this is Briteny Spears who is one of the most famous singer
in the world.
4. I took the first place.
5. That was my presentation.

Answer 1

When beginning a presentation, it is always good to start with a joke, if it fits in with the situation. If everyone is wearing name tags, and your story about your name tag is a bit funny, it would help to place everyone in a good mood to tell the story. If you're merely explaining that your name tag is mispelled, it would be best to leave it out. (I would also refrain from saying "You guys" when referring to the audience. Leave out "Guys"...which leaves you with "Allow me to begin by explaining my name tag. You can see...." This gets you into your presentation with the anecdote and is more formal.

As for the sentences..
1. "Annyon" is "Hello" in Korean.
2. As you can see, the first picture says "hello" in three different languages.
3. This is Brittany Spears, one of the most famous singers in the world.
4. This one is ok, depending on meaning. To take the first place in a line of people, yes; but if you're referring to a contest, it might be better to say "I won first place." or "I was awarded first place."
5. Seems ok, too, again depending on your usage. "That was..." is past tense, yet you may want to keep the tense of your entire presentation. "This concludes my presentation." might work better as it is present tense.

Answer 2

1. Hello in Korean is annyon. <--change to "Annyon" is hello in Korean.
2. As you can see the first picture, it said hello in 3 different languages. <--change "said" to "says"
3. this is Briteny Spears who is one of the most famous singer
in the world. <--capitalize the "t" in "this" and insert a comma after "Briteny Spears"
4. I took the first place. <--not sure what you mean in this one
5. That was my presentation. <--change to "I hope you enjoyed my presentation."

Answer 3

First, let me tell you about my name tag.

1. Annyon is how you say hello in Korean
2. As you can see in the first picture, it SAYS hello in 3 different languages
3. This is Brittney Spears who is one of the most famous singerS in the world.
4. I won first place.
5. Thanks for listening to my presentation. Are there any questions?

Answer 4

3 should be "This is Brittany Spears, who is one of the most famous singers
in the world." add a comma after spears, and make singer singers.
4 can be right, but i dont know how you're using it. it can be wrong.
other than that, its right.