The lenses are called conversion lenses and are made for cameras that do not have interchangeable lenses.
Mostly they are used on Point-and-shoot cameras.
The 18-55 lens has a 52mm thread on the front for filters.
But those conversion lenses also have a 52mm thread and will fit on the 18-55 lens.
One is for macro, which means you can focus of something very close to the front of the camera.
One is for wide angle, which means you lens will have approx a 8mm focal length when you set the lens to 18mm.
That would result in a 12mm focal length as compared to 35mm film cameras.
One is for increasing your apparent optical zoom,
which means your lens will have a 82mm focal length when you set the lens to 55mm.
That will result in a 123mm focal length as compared to 35mm film cameras
Are they as good as having separate lenses for those purposes....No.
If the lenses are made by well known quality manufacturers, they could give good results.
If they are "no-name" lenses, the quality is very questionable.
Try the wide angle lens first and take a few pictures of some buildings.
I expect that you will see some serious barrel distortion of the buildings.
Probably with some vignetting (clipping of the corners) of the photo.
Barrel distortion will make building on the far left and right, look as if they are leaning toward the middle.
Try the Zoom lens next and I expect you will find it is at its best only when your lens is set to its maximum (55mm).
Quality of the photo is dependent upon the quality of the conversion lens (which will be less than the quality of your camera lens).
My guess is that the lenses would be useful as a novelty, or something to play with.
They will lower the quality of your pictures.
I am new to the digital camera world I have just bought a nikon d5000 it is the coolest, my question is there is three extra lenses that screw into the end of the 18-55mm that is on the camera, the first is digital-telephoto-lens 1.5, the second just marked macro, the third is 52 mm hs dslr mc af 0.45 wide angle w/macro, my question is when do you use these and what do they do? this is not covered in the use manual. if this can be answered or if there is a website I can go to to research this it would be greatly appreciated.