8.8 Mid-Unit Assessment

Find the area of the square. Each grid square represents 1 square unit.

Find the length of a side of a square if its area is 81 square inches.

Find the length of a side of a square if its area is 4/25 centimeters squared.

Find the area of a square if its side length is 3 inches.

Find the area of a square if its side length is 7 units.

Select which numbers are irrational:

• 7

• 3.74

Plot and label each number on the number line:

a

b

c

d