Videos to help Grade 3 students learn how to draw rows and columns to determine the area of a rectangle, given an incomplete array.

Common Core Standards: 3.MD.5, 3.MD.6, 3.MD.7a, 3.MD.7b, 3.MD.7d

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Lesson Plans and Worksheets for Grade 3

Lesson Plans and Worksheets for all Grades

More Lessons for Grade 3

Common Core For Grade 3

New York State Common Core Math Module 4, Grade 3, Lesson 6

Application Problem

Huma has 4 bags of square-inch tiles with 6 tiles in each bag. She uses them to measure the area of a rectangle on her homework. After covering the rectangle, Huma has 4 tiles left. What is the area of the rectangle?

Note: This problem reviews multi-step word problems in the context of using square tiles to measure area.

Concept Development

Part 2: Draw rows and columns to determine the area.

Lesson 6 Homework

1. Each □ represents a 1-cm square. Draw to find the number of rows and columns in each array. Match it to its completed array. Then fill in the blanks to make a true equation to find each arrays area.

2. Minh skip-counts by sixes to find the total square units in the rectangle below. She says there are 36 square units. Is she correct? Explain your answer.

3. The tub in Paiges bathroom covers the tile floor as shown below. How many square tiles are on the floor, including the tiles under the tub?

4. Frank sees a book on top of his chessboard. How many squares are covered by the book? Explain your answer.

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