Other and Another

With Count Nouns
an + other + singular noun (one more)
another pencil
one more pencil the + other + singular man (last of set)
the other pencil
the last pencil present other + plural noun (more of the set)
other pencil
some more pencil the other + plural noun (the rest of these)
the other pencils
all remaining pencils

With Non-Count Nouns
other + non-count nouns (more of the set)
other water : some more water
the other + non-countnoun (all the rest)
the other water : the remaining water

Exercise
1. This pen isn't working please give me another
2. if you're still thirsty, i'll make the other pot of coffe
3. This dictionary has a page missing. Please give me the other one
4. He doesn't need those books. He needs the other
5. These are thirty people in the room. Tweenty are from Latin America and the other are from other countries
6. Six people were in the store two were buying meat the other was looking at magazines.
7. This glass of milk is sour. Another glass of milk is sour too.
8. The army was practicing its drills. One group was doing artillery other was marching, another was at attention, and the other was pradicing combat tactics.
9. These are seven students from Japan other are from Iran and the other from other places.
10.We locked at four cars today the first two were far too expensive, but the others ones were reasonably piced.