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Hooray! Arrays!

¡Hurra! ¡Matrices!

Hooray! Arrays!

Hooray! Arrays!

Hooray! Arrays!

Hooray! Arrays!

Hooray! Arrays!

Concept (fiction), 1,148 words Grade 2

The book Hooray! Arrays! illustrates a variety of different ways to arrange a group of twenty students into rectangular arrays. Students can use repeated addition or multiplication to find the total number of people in these arrays. Students will also discover that they can organize the same number of items in many different arrays without uneven rows or columns. The book helps introduce multiplication by using arrays.