There are 312 students at Panyasak School. 122 of them are girls. How many are boys?
190
15
949 - 602 = ?
347
10
A scuba diver finds a treasure chest in the ocean. When he opens it up, he discovers that it is filled with 3,567 gold coins and 1,793 silver coins. How many coins does the chest contain in all?
5,360
15
Mt. Bachelor had 356 centimetres of snow. If 55 centimetres melted yesterday, how many centimentres does the mountain snow have left?
301 centimetres
15
4,876 - 1,382 = ?
3,494
15
5,555 - 295 = ?
5,260
15
Tom had 3,942 baseball cards. He gave away a small stack to his friend Andy, who had none. Now Andy has 550 cards thanks to Tom! So... How many cards does Tom have left?