Using arrays to find the factors of whole numbers between 10 and 100. Identifying the factors of composite numbers and prime numbers. Using multiplication and division facts to visualise and plan ...

An array is a way of visualising a calculation. See how to use one to solve multiplication in this Bitesize KS3 maths video.

The latter is where the kids, using their scalpels, would dissect the multiplication sentence. “We used our scalpels to break apart this array,” Sykora said.