Nico drank 1.5 liters of water during his first soccer game. He drank half as much at his second game. How many more liters of water did he drink during his first game than his second game? The answer can be found by simplifying the expression 1.5 – 1.5 ÷ 2. What should be done first? First, subtract 1.5 – 1.5. Then, divide by 2. First, subtract 1.5 – 1.5. Then, divide by 1.5. First, divide 1.5 ÷ 2. Then, subtract 1.5 from that quotient. First, divide 1.5 ÷ 2. Then, subtract that quotient from 1.5.