Mathematical Concepts and Proportionality

The video tutorial covers various math problems, including calculating the number of tiles needed for a ceiling, determining flight time based on distance and speed, understanding proportional relationships, converting miles to inches, and drawing scaled copies of polygons. Each section involves practical applications of mathematical concepts such as multiplication, division, and proportionality.

How many tiles are needed for 2 square meters of ceiling?

• 25 tiles

• 21.5 tiles

• 20 tiles

• 10.75 tiles

What is the result of multiplying 10 by 10.75?

• 105.5

• 100.75

• 107.5

• 110.75

If an airplane travels 800 miles, how long will it take?

• 1 hour

• 1.6 hours

• 2.5 hours

• 2 hours

What is the constant of proportionality if P = 4S?

• 10

• 8

• 4

• 2

What is the equation for the circumference of a circle using Pi?

• C = Pi * r

• C = 2 * d

• C = 2 * Pi * r

• C = Pi * d

What is the constant of proportionality if 8 divided by 2 equals?

• 5

• 2

• 4

• 3

How many inches are there in 20 miles?

• 1,267,000 inches

• 1,267,200 inches

• 63,360 inches

• 126,720 inches

What is the scale factor if a polygon's side length changes from 2 to 6?

• 3

• 1/2

• 2

• 1/3

If a scale factor is 1/2, what happens to the side lengths of a polygon?

• They triple

• They halve

• They double

• They remain the same

What is the scale factor from B to A if B's side is 1 and A's side is 6?

• 1/6

• 1

• 3

• 6