Introduction of Area

What is one way I can find the area of a shape?

• Count how many square units it takes to go around the shape.
• Count how many square units can be found inside the shape.

Tags

CCSS.3.MD.C.5A

If I am finding the area of a square, what MUST I do to find the answer?

• Count all the squares inside the shape.
• Make sure there are no gaps in the unit squares that make up my shape.
• Make sure there are no overlaps in the unit squares that make up my shape.
• I must do all of these to find the area of my shape.

Tags

CCSS.3.MD.C.5A

What is the area of this shape?

• 22
• 42
• 26
• 36

Tags

CCSS.3.MD.C.5A

What is the area of this shape?

• 14
• 12
• 13
• 16

What is the area of this shape?

• 12 square units
• 16 square units
• 10 square units
• You cannot find the area of a shape like this.

What is the area of this shape?

• You cannot find the area of a shape like this.
• 6 square units
• 8 square units
• 10 square units