Unit 2, Section A

Concepts of Area Measurement

Grade 3

Practice

1. Problem 1

   2.G.2

   Pre-unit

   Student Task Statement

   1. Partition the rectangle into 4 equal rows and 5 equal columns.
   2. How many small squares are there in the rectangle?

   

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2. Problem 2

   2.OA.4

   Pre-unit

   Student Task Statement

   Is the number of dots in each image even or odd? Explain how you know.

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   2.  

      

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3. Problem 3

   Pre-unit

   Student Task Statement

   How many dots are in each array? Explain or show your reasoning.

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   2.  

      

   3.  

      

4. Problem 4

   Pre-unit

   Student Task Statement

   

   Use the centimeter ruler to find the lengths of Rectangles A and B. Explain your reasoning.

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5. Problem 5

   ForLesson 1: What Is Area?

   Student Task Statement

   Which shape is the largest? Which shape is the smallest? Explain your reasoning. You may trace and cut out the shapes if it is helpful.

   

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6. Problem 6

   ForLesson 2: How Do We Measure Area?

   Student Task Statement

   Lin, Han, and Elena made letters from squares. Put the letters in order from least area to greatest area. Explain your reasoning.

    

   

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7. Problem 7

   ForLesson 3: Tile Rectangles

   Student Task Statement

   1. Find the area of each rectangle drawn on the grid.

      

   2. Can rectangles with different shapes have the same area? Explain your reasoning.

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8. Problem 8

   ForLesson 4: Area of a Rectangle

   Student Task Statement

   Find the area of the rectangle. Explain or show your reasoning.

   

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9. Problem 9

   Exploration

   Student Task Statement

   Which shape has the greater area, the green triangle pattern block or the tan rhombus pattern block? Explain your reasoning

   

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10. Problem 10

    Exploration

    Student Task Statement

    Here are 2 rectangles.

    

    

    1. What is the area of the larger rectangle?
    2. What is the area of 3 of the smaller rectangles combined?
    3. Can you completely cover the first rectangle with 3 of the smaller rectangles without cutting them up? Explain or show your reasoning.

11. Problem 11

    Exploration

    Student Task Statement

    1. How many different rectangles can you make with 36 square tiles? Describe or draw the rectangles.
    2. How are the rectangles alike? How are they different?

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