To test his mental math-solving skills, the Guinness World Records team recently invited Aaryan to Dubai, where he was asked ...

The first story, Small Number Counts to 100 was inspired by narration from Ms. Rina Sinclair of the Siksika Nation. The story can be shown to elementary school students as a counting practice/puzzle ...

You should end up with a list of 25 prime numbers between 1 and 100. These are shown in the grid below.

Here is the number 8. Here is 8 made 10 times bigger. How many can you see? 8 multiplied by 10 makes 80. If I know that 2 + 8 = 10, then I also know that 20 + 80 = 100. Let's look at the 100 ...