Area with Tiles Square Inches and Centimeters

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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Tags

CCSS.3.MD.C.5A

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

Tags

CCSS.3.MD.C.5A

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.

Tags

CCSS.4.MD.A.1

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.

Tags

CCSS.3.MD.C.5A

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.

Tags

CCSS.3.MD.C.5A

When can we use area in real life?

• We can use area to find out how much fabric we need to make a blanket to fit on our bed.

• We can use area to find how much boarder we need to go around the outside of a bulletin board.

• We can use area to find out how much paint we need to cover a wall.

• We can use area to find out how much string we need to cut to make a bracelet for our wrist.

Which is a way to find area?

• Counting the square units inside a shape

• Counting the square units around the outside of a shape

Tags

CCSS.3.MD.C.5A

What is the area of this shape?

• 36

• 36 square units

• 32

• 32 square units

Tags

CCSS.3.MD.C.6

Which shape has an area of 30 square units?

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Tags

CCSS.3.MD.C.6

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

Tags

CCSS.3.MD.C.5A