When you are solving an addition calculation with a two-digit number, you need to think about tens and ones. A place value chart can help you to see the value of each digit in a number. For example, ...

Division is the opposite of multiplication. It's when a number is shared into another number. Knowing your times tables can be very useful when multiplying or dividing. Let’s take a look at some ...

German company Helsing and Norway's Kongsberg Defence & Aerospace are working on a space-based intelligence, surveillance, reconnaissance, and targeting ...

Ever wanted to impress everyone by solving complex multiplication problems in your head, without needing a pencil or paper? It's not magic; it's mental math—a superpower you can learn! This article is ...

Decompose numbers to subtract. Engage in a Number Talk focused on subtraction strategies. Decompose numbers to subtract. Engage in a Number Talk focused on subtraction strategies. Can you solve the ...

The Interstate Highway System may seem like a tangled mess of letters and numbers. But on your next road trip, remember that there is an elegant method to its madness. Every major interstate has a two ...