Students explore the concept of equal rows. They place objects into rows, then identify the number of rows and objects within each row
B. Explore the concept of columns
C. Identify the number of columns and the objects within them
D. Identify the number of rows and the objects within them
E. Compose a repeated addition sentence based on an array's rows
F. Compose a repeated addition sentence based on an array's columns
G. Represent arrays as their number of rows and objects and as repeated addition sentences
H. Describe arrays in terms of their columns and rows