Corporal Whacking

Three problems as a set…

1. John made 3 marks on one leaf of his book, and six on another. How many marks did he make?
2. His teacher punished him, for soiling the book, by giving him 4 blows on one hand, and 5 on the other. How many blows did he strike him?
3. 7 boys laughed at him on one side of the house, when he was punished, and 2 on the other. How many boys laughed?