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

Bains Elementary third graders learn to use arrays to solve multiplication problems in Sidney Cranford's math class. An array is a linear data structure that collects elements of the same data ...

Educational Studies in Mathematics, Vol. 70, No. 3 (Apr., 2009), pp. 217-241 (25 pages) We examine whether the array representation can support children's understanding and reasoning in multiplication ...

These include using visual aids, such as an array or place counters, or by using written methods. ... There are different ways to approach a 2-digit by a 1-digit multiplication problem.