Math 7 Unit 3 Pre-Test

Front

What is the cost of one kids' movie ticket?

Back

$5.25

Front

If 't' represents the number of kids' tickets purchased, how can you express the total cost 'c' in terms of 't'?

Back

c = 5.25t

Front

What is the formula for calculating the area of a circle?

Back

Area = πr², where r is the radius of the circle.

Front

How do you calculate the area of a figure on graph paper?

Back

Count the number of square units that fit inside the figure.

Front

What is the perimeter of a square?

Back

Perimeter = 4 × side length.

Front

If the perimeter of a square desk is 248 cm, what is the length of one side?

Back

Side length = Perimeter / 4 = 248 cm / 4 = 62 cm.

Front

How do you convert centimeters to millimeters?

Back

Multiply the number of centimeters by 10.

Front

If Priya measured the perimeter of a desk as 248 cm and Noah measured it as 2468 mm, how do you find the difference in their measurements?

Back

Convert both measurements to the same unit (either cm or mm) and then subtract.

Front

What is the difference in millimeters between 248 cm and 2468 mm?

Back

12 mm.

Front

What is the area of a circle with a radius of 1 unit?

Back

Area = π(1)² = π square units.