In fourth grade, students focus most on using all four operations - addition, subtraction, multiplication, and division - to solve multi-step word problems involving multi-digit numbers. Fourth ...

Learn how to multiply 2-digit numbers mentally with this step-by-step guide for kids. Discover simple techniques to boost calculation speed, improve mental math skills, and build confidence for ...

The Common Core State Standards teach students the algorithm for multi-digit addition and subtraction in 4th grade. But some experts say it should be taught sooner.

This “math makes sense” approach to multi-digit multiplication (also called the “partial products method”) appeals to students because it values their prior learning by putting their basic ...

While the box method is essentially the same as the standard algorithm, it does a much nicer job of illustrating what's going on in a multiple-digit multiplication problem. 23 times 7 really just ...

The box method better illustrates what's going on in a multiple-digit multiplication problem, making students understand that 23 times 7 is just the sum of 20 times 7 and 3 times 7.

Four Wappingers Central School District students completed in long multiplication, including 96-digit numbers.