G.6 OUR Unit 1 Pre-Unit Diagnostic Assessment

The rectangle below has sides measuring 6 cm and 5 cm. What is the area of this rectangle in square centimeters? Use the show your work section to explain your reasoning.

Select all the expressions that give the area of the figure in square units.

Each small square in the graph paper represents 1 square unit. Which of the following is closes to the area of the rectangle, in square units?

Select all the line segments that appear to be parallel to a.

Select all the figures that have sides that appear to be perpendicular.

Select all the expressions that are equal to

Draw two triangles:

- one that is a right triangle

- one that is not a right triangle

Then, explain what makes a triangel a right triangle.