. Grade 2, Illustrative icon

Partitioning a Rectangle into Unit Squares

Illustrative MathematicsVaries

The purpose of this task is to show the student that a rectangle can be partitioned into unit squares, and that there are a number of reasonable ways to count the resulting squares. The third part encourages the student to count by fives, as called for by 2.NBT.2, and makes the connection between the equal-sized groups and area of a rectangle representations for multiplication, which will be developed in third grade. Counting by numbers other than five is not called for by the standards, but would be a nice additional outcome.

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