This is called repeated addition. You add the same number lots of times. This can also be written as a multiplication calculation. There are five equal groups of two. The five represents the number of ...

A key part—though surely not the only part—of early-grades math is ensuring students get the basic arithmetic functions down and, beyond that, making sure they’re able to swiftly and automatically ...

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 ...

Can you solve the elementary school problem that divided the internet in less than 30 seconds? Test your might in this ...

Vedic Maths is a traditional mathematical system based on the Vedas. It helps you solve complex problems quickly and accurately. These effective tricks include a shortcut approach for addition, ...

The confusion (likely intentional) boiled down to a discrepancy between the math rules used in grade school and in high school. By Steven Strogatz Recently I wrote about a math equation that had ...