Mathemetics Quiz Computation

1. Identify the rule in this sequence: 5, 10, 15, 20, ___

• A

• Add 5 each time.

• Add 5 to 20

• None of the above

1. A rectangle has a length of 8 cm and a width of 4 cm. What is its perimeter?

• 32 cm

• 12 cm

• 24 cm

• 4 cm

1. Expand the expression (x+3)(x−3)

• x − 9

• 9 + x²

In a right triangle, if one angle is 30° and the hypotenuse is 10 cm, find the length of the side opposite the 30° angle.

• 10 cm

• 5 cm

• 30 cm

• 60 cm

1. In a class of 30 students, 12 are boys. If one student is selected randomly, what is the probability that the student is a girl?

Find the measure of each interior angle of a regular octagon.

1. If you roll a fair die, what is the probability of getting a 5?

1. What is the area of a triangle with a base of 10 cm and a height of 6 cm?

What is the probability of flipping a coin and landing on heads?

What is the volume of a cube with edge length 4 cm?