What is the Rule?

Tim, Jim, and Sue started with the same amount of marbles.

Tim lost 3 marbles his first game and doubled his marbles the second game. Write a number sentence ______________________________.

Jim won 7 marbles his first game and lost 5 marbles his second game. Write a number sentence ____________________________________.

Sue lost 3 marbles her first game and tripled her marbles on the second game. Write a number sentence _______________________________.

Which player wins the most marbles? ___________________________

Starting Marbles	Tim	Jim	Sue
5	4	3	6
10		8
	8		12
		6	15
4	2