Multiply by 5 using the grouping of objects, counting by fives, and arrays. Explore the Multiply by 5 facts using the grouping of objects, counting by fives, and arrays. Compete against characters to ...

When this reporter, ahem, asked for a friendly reminder (wink-wink) about the math concept, Sykora explained the distributive property of multiplication. “For example, if you have 12 times 3, instead ...

Mathematicians love a good puzzle. Even something as abstract as multiplying matrices (two-dimensional tables of numbers) can feel like a game when you try to find the most efficient way to do it.