Making array posters for the numbers 12, 16,18, 24, and 32. Arrays are rectangles whose rows and columns are equal. They are laying the foundation for multiplication. 2 groups of 6, 6 groups of 2, 3 groups of 4, 4 groups of 3, 1 group of 12, and 12 groups of 1 all make 12. They also can be recorded as 4+4+4=12, 3+3+3+3=12, 6+6=12, 2+2+2+2+2+2=12.
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