6.G.1: Area Review

6.G.1: Area Review

Area of Parallelograms
Area of Triangles

Let's test this out!

• Answer the question on the next screen

• Make sure to answer before time is up!

Multiple Choice

What units do we use for area?

• regular units (inches, feet, cm, yards)

• square units (inches² or square inches)

• cubic units (inches³ or cubic inches)

Open Ended

Explain how to calculate the area of this parallelogram.

Open Ended

Explain how to calculate the area of this triangle.

Open Ended

What is the extra step when calculating the area of a triangle?

Why?

Open Ended

What angle do we look for to identify base and height?

What do you look for to find it on the shape?

Let's practice!

• Next, you will decide which process to use (parallelogram or triangle area)

• YOU WILL NEED A CALCULATOR!

• Open a new tab and go to desmos.com/scientific

Multiple Choice

Calculate the area of the triangle

• 22.5 cm²

• 15.75 cm²

• 45 cm²

• 31.5 cm²

Multiple Choice

Calculate the area of the parallelogram.

• 30 square inches

• 50 square inches

• 21 square inches

• 60 square inches

• 25 square inches

Open Ended

What is the area of this triangle?

Open Ended

Calculate the area of the triangle

Open Ended

Calculate the area of this parallelogram.

Multiple Choice

The parallelogram shown has an area of 54 square units. What is the height of the parallelogram?

• 6 units

• 6.75 units

• 72 units

• 0.75 units

Multiple Choice

The triangle has an area of 24 square units. What is the height of the triangle?

Hint: test out the different heights to see which one gives an area of 24 units²!

• 3 units

• 6 units

• 2.4 units

• 3.3333 units

Open Ended

Do you have any questions about calculating the area of triangles and parallelograms?