I assume that the sugar is to be added all at once and the baking powder is to be added alternately in equal amounts. BTW sugar grains are bigger, so bigger spoon suits better for them :P
About 2 sugar cubes equal 1 tablespoon of sugar.
3 tablespoons = 33 grams.
One tablespoon of sugar is approximately equal to 12.5 grams.
That is approximately 12 teaspoons of water.
There are about 14 tablespoons of caster sugar in 175 grams.
1 tablespoon equals a tablespoon.
What is .25 oz equal to tablespoon?
3 tsp (teaspoons) equal 1 T (tablespoon)
5 grams of sugar
3 teaspoons per tablespoon
15 ml equals a tablespoon.