Introducing arrays is a perfect way to set students up for success with multiplication and division. Great post outlining how to build a thorough understanding of this simple mathematical concept in second or third grade!

Could be modified to show integer operations, order of ops, prime factorization etc

An array is a useful and powerful visual to teaching multiplication. In this post, learn tons of hands on ways to teach arrays to make multiplication fun!

baking up arrays.students make cookie arrays on a cookie sheet to show multiplication~An Array of Multiplication Activities!

addition using arrays. My Little Book of Arrays where students make a cute little book to practice rectangular arrays and repeated addition