Is it possible to count objects you can't see? If you've ever received a boxed gift, or a mysterious package from Amazon, you might have tried to lightly shake the box to try to guess its contents.

In pre-kindergarten, children ages 3-5 develop a basic understanding of numbers and counting, and connect both to the idea of “how many.” Pre-k math tips work on recognizing, grouping, and comparing ...

Picture puzzles that ask you to count objects are surprisingly challenging, even when the image looks simple. The challenge is straightforward: count how many bananas are in the picture within 25 ...

Counting objects is an ideal task for automation, and when focusing on a single type of object, there are many effective solutions. But what if you need to count hundreds of different objects? That’s ...