When asked to multiply numbers with zeros, students love it. They realize they may disregard the zero during calculations and only include it again when recording the result. There is a lot of practice with this concept in the multiply multiples of 100 and 1-digit numbers worksheet. In each problem, the numbers are laid out in the vertical format. In this format, pair of digits in each successive place are tackled one by one. This helps students follow a structured approach.