Geometry Topic 5 Test Envision

John draws this rectangle. Which explanations are correct to find the area?

• John should add 5 + 4. His area is 9 in.

• John can draw in 5 rows and 4 columns. He can count all the squares. His area is 20 square inches.

• John can break the shape into 2 parts. He can do (3x2) + (4x2) and find the area of 14 square in.

• John can do 5 x 4 because a rectangle is an array. He can multiply length times width because it is another way to say rows times columns. His area is 20 square inches.

Tony has a square garden. One of the sides is 7 yards long. What is the area of his garden?

• 14 square yds

• 28 square yds

• 49 square yds

• I don't have enough information to find the area of this shape.

Find the area.

• 24 square cm

• 28 square cm

• 32 square cm

• 36 square cm

Find the area.

How many points do you need to make a line?

• 1

• at least 2

• 3

• 4

Match the following

• A location in space

• point

• A 1 dimensional line that extends forever in two directions

• plane

• A 2 dimensional space that extends in all directions forever

• line

What is the missing side length AND area?

• 1cm, 20 sq. cm

• 2 cm, 26 sq. cm

• 4 cm, 26 sq. cm

Which of these shows how to find the area of the blue shape?

• Multiply, 8 x 5 = 40. The blue area is 40 sq cm.

• Multiply, 8 x 5 = 40 for the entire space. Then, multiply 2 x 3 = 6 to find the white rectangle. Add the white area, 6 sq cm, to the entire outside space area of 40 sq cm. The answer is 46 square cm.

• Multiply, 8 x 5 = 40 for the entire space. Then, multiply 2 x 3 = 6 to find the white rectangle. Subtract the white area, 6 sq cm, from the entire outside space area of 40 sq cm. The answer is 34 square cm.

Look at this shape. Would you find the exact or estimated area?

• exact

• estimate

Look at this shape. Choose if it is an exact or estimated area. Tell the area.

• exact, 14 square units

• estimate, 10 square unites

• exact, 12 square units

• estimate, 12 square units