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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1 Question
The tiled floor in Cayden’s dining room has a rug on it as shown below.
10
1.
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.