Lesson 04: Parallelograms | Unit 1: Area and Surface Area

Multiple Select

Select **all** of the parallelograms from the given figures.

• A

• B

• C

• D

• E

Open Ended

For each figure that is _not_ selected as a parallelogram, explain how you know it is not a parallelogram.

Draw

Decompose and rearrange this parallelogram to make a rectangle.

Open Ended

What is the area of the parallelogram? Explain your reasoning.

Multiple Choice

What is the area of the parallelogram with a base of 10 cm and a height of 3 cm?

• 25 cm²
• 15 cm²
• 20 cm²
• 30 cm²

Open Ended

Explain why this quadrilateral is _not_ a parallelogram. A quadrilateral on a grid. Bottom side length of 8 units. Top side length of 4 units. The left side ascends 5 units while moving right 13 units, and the right side ascends 5 units while moving right 9 units.

Open Ended

Do you agree with the statement: A parallelogram has six sides? Explain your reasoning.

Open Ended

Do you agree with the statement: Opposite sides of a parallelogram are parallel? Explain your reasoning.

Open Ended

Do you agree with the statement: A parallelogram can have one pair or two pairs of parallel sides? Explain your reasoning.

Open Ended

Do you agree with the statement: All sides of a parallelogram have the same length? Explain your reasoning.