For #4 on the previous page, what if we hadn’t put a zero in the tens place? Let’s say we’d written this, thinking, “Well, I see 2 hundreds and 3 ones and that’s it!”
Oops! If we don’t write SOMETHING in the tens place, we might end up with the wrong answer, 23, which is way less than the real answer!
Instead, we need to do this: = 203 (Yes!)
The actual answer is 203. Yep, 203 buns!
Just to compare, here’s what 23 looks like in pictures: