Exploring Perimeter and Area of Rectangles

What are the learning targets for the lesson on perimeter and area?

• To understand and apply perimeter and area calculations

• To memorize formulas for perimeter and area

• To draw rectangles and squares only

• To calculate volume of rectangles

What unit is used to measure the perimeter of a shape?

• Units of weight

• Units of length

• Cubic units

• Square units

How do you calculate the area of a rectangle?

• Divide length by width

• Multiply all sides

• Multiply length by width

• Add all sides

What is the perimeter of a square if one side is 3 units?

• 12 units

• 9 units

• 6 units

• 3 units

How is the area of a square calculated differently from a rectangle?

• Square uses length plus width

• Square uses perimeter divided by 4

• Square uses side times side

• It is not different; both use length times width

What is the area of a rectangle with length 6 inches and width 3 inches?

• 9 square inches

• 18 square inches

• 15 square inches

• 12 square inches

If a rectangle has an area of 20 square centimeters, which could be a possible set of side lengths?

• 4 by 6

• 1 by 20

• 2 by 15

• 3 by 8

What is the perimeter of a 2 by 10 rectangle?

• 20 centimeters

• 22 centimeters

• 24 centimeters

• 26 centimeters

Which statement is true about rectangles with the same area?

• They have different perimeters

• They cannot be rectangles

• They have the same perimeter

• They are always squares

What is the perimeter of a 4 by 5 rectangle?

• 22 centimeters

• 24 centimeters

• 20 centimeters

• 18 centimeters