Unit 1 Practice Set #1

The area of this shape is 24 square units. Which of these statements is true about the area? Select all that apply.

• The area can be found by counting the number of squares that touch the edge of the shape.

• The area can be found by adding 4×3 and 6×2.

• The area can be found by multiplying the sides lengths that are 6 units and 4 units.

Which shape has a larger area: a rectangle that is 7 inches by 3 inch, or a square with side length of 5 inches?

• the rectangle

• the square

• The areas of the two shapes are equal.

Priya decomposed a square into 16 smaller, equal-size squares and then cut out 4 of the small squares and attached them around the outside of original square to make a new figure.

How does the area of her new figure compare with that of the original square?

• The area of the new figure is greater.

• The area of the original square is greater.

• The two figures have the same area.

• We don’t know because neither the side length nor the area of the original square is known.

The area of a rectangular playground is 78 square meters. If the length of the playground is 13 meters, what is its width?

• 6 meters

• 65 meters

• 13 meters

• 12 meters

Each square in the grid is one square unit. Find the area of the shaded region.

• 30 square units

• 20 square units

• 24 square units

• 22 square units

Each square in the grid is one square unit. Find the area of the shaded region.

• 28 square units

• 36 square units

• 8 square units

• 44 square units

Find the area of the shaded region.

• 320 square centimeters

• 40 square centimeters

• 80 square centimeters

• 21 square centimeters

Select the parallelogram.

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Each square in the grid is one square unit. What is the area of the parallelogram?

• 45 square units

• 9 square units

• 60 square units

• 5 square units

Which of the following is the correct mathematical definition for area?

• Area is length x width.

• Area measures the number of unit squares inside a 2D shape with no gaps and no overlaps.

• Area measures the size of something.

• Area measures how many unit cubes can fit inside a 3D object.