Counting Area Using Square Units

Calculate the area of the shape below.

• 16 cm²

• 24 cm²

• 18 cm²

• 30 cm²

What is the area of the rectangle?

• 6

• 2

• 4

• 8

An artist paints a rectangular board using gray paint. Each square is 1 square foot. What is the area of the rectangle that the artist has painted gray?

• 16

• 20

• 4

• 5

Each square in this rectangle equals 1 inch. How do you find the area?

•  There are 7 rows and 8 columns, so you should add 7 + 8 to get 15 total blocks.

• There are 8 columns and 7 rows, so you should subtract 8 – 7 to get 1 rectangle

• There are 7 rows and 8 columns, so you should multiply 7 × 8 to get 56 square inches

• D. There are 8 columns and 7 rows, and you add the 8 from top and bottom and the 7 from both sides to get 8 + 8 + 7 + 7 to get an area of 30.

What is the area of the shaded portion?

• 10 square units

• 13 square units

• 30 square units

• 20 square units

Lilly wants to find the area of this piece of glass using gray square tiles. Each tile has the area of 1 square unit. Which models show a way that Lily could find the area of the piece of glass?

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Hannah is measuring the area of a blanket. She knows that an inch is longer than a centimeter but it is shorter than a foot. Which sentence is true?

• Hannah will need more square centimeters than square inches to cover the blanket.

• Hannah will need fewer square centimeters than square inches to cover the blanket.

• Hannah will need more square feet than square centimeters to cover the blanket.

• Hannah will need fewer square inches than square feet to cover the blanket.

What is area?

• The amount of square that are on the outside of a shape.

• The amount of square units that are overlapping on a shape

• The amount of square units that cover or fill a shape with no gaps or overlaps

• The number of tiles that are covering a shape with gaps.

How are the size of the shape and the amount of square units related?

• The bigger the shape, the more square units will fill it.

• The smaller the shape, the more square units will fill it.

• All shapes have the same area

Vince says the area of this shape is 4 square units. Is Vince correct? Choose the best explanation!

• Yes, Vince is correct because I count four gray rectangles, so the area is four square units

• Yes, Vince is correct because he used four squares to fill in his shape, so the area is four square units.

• No, Vince is wrong because he used more than four square units to fill his shape.

• No, Vince is wrong because he used rectangles and not squares to fill his shape.