It depends on the context. If someone helped you and you want to pay him/her back, you can say “我要怎么回报你呢?”. If you owe money to someone and you are not sure if he/she wants cash(现金)or online transfer(eg.支付宝/微信转账), you can say”我要怎么给(付)你钱呢?”. Chinese people rarely use check in their daily life lol.