It would be 1 1/4 to 2 tsp.
4cc = 4/5 of 1tsp
there is 5ml in one teaspoon so 250 divided by 5 is 50 teaspoons
0.25
2.5
0.5
That is 4/5 of a teaspoon.
5 divided by 1 is 5. 1 over 4 is a quarter. 5 divided by 1¼ is 5 divided by 5/4, which is 5 time 4/5, that is 4.
4
That is 4/5 of a teaspoon
If sugar is in the teaspoon it will be 4 grams = 1 teaspoon. Different materials have different mass so the full answer would have to be that it depends on what is in the teaspoon how many teaspoons will be in 4 grams.
Solve the proportion: 1 / 5 = x / 4. The solution is 4/5 of a teaspoon.