Exploring Area and Perimeter Concepts

The video tutorial for third graders covers the concepts of area and perimeter. It begins with an introduction to these concepts, explaining that area measures the inside of a shape while perimeter measures the outside. The tutorial provides methods for calculating area by multiplying length and width, and for calculating perimeter by adding all sides. Several examples are given to illustrate these calculations, followed by practice problems to reinforce learning. The video emphasizes the importance of distinguishing between area and perimeter calculations.

What is the area of a rectangle with a length of 5 cm and a width of 4 cm?

• 22 cm²

• 20 cm²

• 9 cm

• 18 cm

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

How do you calculate the perimeter of a rectangle?

• Subtract the lengths from widths

• Add all sides

• Multiply length by width

• Count the squares inside

Tags

CCSS.4.MD.A.3

If a square has a side length of 3 cm, what is its perimeter?

• 6 cm

• 12 cm

• 15 cm

• 9 cm

Tags

CCSS.4.MD.A.3

What does the perimeter of a shape measure?

• The inside area

• The outside boundary

• The volume

• The weight

In a classroom, what could represent the perimeter?

• The desks

• The floor

• The walls

• The ceiling

What is the area of a square where each side is 5 cm?

• 25 cm²

• 10 cm²

• 15 cm²

• 20 cm²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

How do you find the area of a shape?

• Add all sides

• Divide by two

• Subtract the smallest side

• Multiply length by width

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the perimeter of a rectangle with sides 6 cm and 7 cm?

• 26 cm

• 24 cm

• 30 cm

• 13 cm

Tags

CCSS.4.MD.A.3

If a shape's length is 9 cm and width is 3 cm, what is its area?

• 27 cm²

• 12 cm²

• 6 cm²

• 18 cm²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the perimeter of the same shape with length 9 cm and width 3 cm?

• 24 cm

• 18 cm

• 12 cm

• 30 cm

Tags

CCSS.4.MD.A.3