Depending on the location, 1,000 square feet might seem like a lot of room to roam or like a smaller space. For example, as a former New York City studio apartment dweller, that size feels humongous.

What is a 100 square? A 100 square shows the numbers 1 to 100 on a grid. Each row has 10 numbers on it. At the end of each row is a multiple of ten. You can use the 100 square to count from 1 to ...