There are a number of fetures about zero that need some notes. There is often confusion in young minds about the oddities.
Most children will be brought up to recognize the slightly squashed circle. Some books are not helpful over this and there is occasional confusion over capital O and 0. I have no idea how the last bit of that sentence will look on your computer screen or print-out. If the surrounding matter concerns maths ~ numbers ~ sums ~ then confusion is unlikely. Here are some handwritten possibilities ~
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