Exploring the Area of Rectangles in Saxon Math 76

The video tutorial by the 'cold math lady' covers the concept of area, focusing on rectangles and squares. It begins with an introduction using a block set to explain the difference between perimeter and area. The tutorial then demonstrates how to calculate the area of rectangles using the formula length times width, emphasizing the importance of square units. It also covers how to use units of measurement like centimeters in area calculations. Additionally, the video explains how to find the side lengths of squares from a given area and contrasts the concepts of perimeter and area.

What is the difference between area and perimeter?

• Perimeter is always larger than area.

• Perimeter is the length around the outside, and area is the space filled inside.

• Area is the length around the outside, and perimeter is the space filled inside.

• Area and perimeter are the same.

How many square units are in the Mickey Mouse block set example?

• 25 square units

• 20 square units

• 16 square units

• 12 square units

What is the formula for finding the area of a rectangle?

• Length - Width

• Length / Width

• Length + Width

• Length x Width

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

If a rectangle is 6 units long and 5 units wide, what is its area?

• 35 square units

• 11 square units

• 30 square units

• 25 square units

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Why is it important to include 'square' in the unit of area?

• To differentiate it from perimeter

• To make the answer look more complex

• Because it sounds better

• To indicate that the measurement is in two dimensions

Tags

CCSS.3.MD.C.6

What is the area of a rectangle that is 12 centimeters long and 5 centimeters wide?

• 17 centimeters

• 60 centimeters

• 17 square centimeters

• 60 square centimeters

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

How can you write 60 square centimeters in another way?

• 60 cm^4

• 60 cm

• 60 cm^2

• 60 cm^3

Tags

CCSS.3.MD.C.6

If the area of a square is 25 square inches, what is the length of one side?

• 6 inches

• 4 inches

• 7 inches

• 5 inches

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the perimeter of a square with a side length of 5 inches?

• 25 inches

• 30 inches

• 20 inches

• 15 inches

Tags

CCSS.4.MD.A.3

How do you label the perimeter of a shape?

• Inches squared

• Centimeters squared

• Meters squared

• Just inches