lesson
Rows and Columns in Arrays
Count the number of rows and columns in an array and describe the total number of objects.

Count the number of rows and columns in an array and describe the total number of objects.
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7 lessons
Build understanding of equal groups and arrays as visual models, and connect them to repeated addition sentences.
communicate mathematical ideas, reasoning, and their implications using multiple representations, including symbols, diagrams, graphs, and language as appropriate;
analyze mathematical relationships to connect and communicate mathematical ideas; and