3.4.B.06 - Draw Rows and Columns to Determine the Area of a Rectangle Given an Incomplete Array – Exit Ticket

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The tiled floor in Cayden’s dining room has a rug on it as shown below.

How many square tiles are on the floor, including the tiles under the rug?

From EngageNY.org of the New York State Education Department. Grade 3 Mathematics Module 4, Topic B, Lesson 6. Internet. Available from http://www.engageny.org/resource/grade-3-mathemati... accessed 27/Oct/2015.