Use multiplication to tell "how many." Multiply by 2 using the grouping of objects. Explore multiplication to help us tell "how many." Multiply by 2 using the grouping of objects and arrays. Connect ...

He was supposed to be working on long-form multiplication problems—457 x 214, 378 x 29, 112 x 978—and my son kept asking me to check his answers. But it had been so long since I’d written out any math ...

Multiply by 8 using the grouping of objects, arrays, and facts you already know. Explore the Multiply by 8 facts using the grouping of objects and arrays. Compete against characters to see who finds ...

Ah, math. It’s why I became an English major. But now math is spinning back around and haunting me in the form of my fifth grader. Last night, I found myself dealing with how to multiply fractions as ...

When you multiply decimals by integers (whole numbers), you can use everything you already know about multiplying multi-digit numbers. You can use written or mental methods to multiply decimals by ...

This summer, battle lines were drawn over a simple math problem: 8 ÷ 2(2 + 2) = ? If you divide 8 by 2 first, you get 16, but if you multiply 2 by (2 + 2) first, you get 1. So, which answer is right?