Dividing Shapes into Equal Parts

The video tutorial for third graders covers the relationship between shapes, fractions, and area. It begins with an essential question about dividing shapes into parts with equal areas and expressing these as unit fractions. The lesson progresses through practical examples, including dividing rectangles and trapezoids into equal parts, calculating areas, and understanding unit fractions. The tutorial concludes with a review of the concepts learned, emphasizing the connection between fractions, area, and shapes.

What is the essential question of the lesson?

• What is the difference between a square and a rectangle?

• What is the perimeter of a rectangle?

• How can you divide shapes into parts with equal areas?

• How do you calculate the volume of a cube?

How many groups is the rectangle divided into?

• Two

• Three

• Five

• Four

What is the area of each group in the rectangle?

• Four square units

• Five square units

• Six square units

• Seven square units

How many parts make up the whole in the rectangle divided into four parts?

• Five

• Four

• Three

• Two

What is the unit fraction for each part of the rectangle divided into four parts?

• 1/4

• 1/5

• 1/2

• 1/3

What is the area of each part in the rectangle divided into four parts?

• Four square units

• Five square units

• Six square units

• Seven square units

How many 1/4 parts make up the whole?

• Two

• Three

• Five

• Four

Are the shapes of each 1/4 part the same?

• No, they are different shapes.

• Some are the same, some are different.

• Yes, they are all the same shape.

• They are all circles.

What is the total area of the rectangle to be divided into six parts?

• 30 square units

• 24 square units

• 20 square units

• 18 square units

What is the unit fraction for each part when the rectangle is divided into six parts?

• 1/2

• 1/6

• 1/3

• 1/4