MASS Math 4

Question 1

What is the area of a circle with radius 5 (use π ≈ 3.14)?

Accepted Answer

78.5

Answer

Area = πr² = 3.14 × 25 = 78.5.

Question 2

Solve for y: y/4 = 9.

Accepted Answer

36

Answer

Multiply both sides by 4 to get y = 36.

Question 3

What is 0.6 written as a percent?

Accepted Answer

60%

Answer

Multiply 0.6 by 100 to get 60%.

Question 4

If 5 pencils cost $1.25, how much does one pencil cost?

Accepted Answer

$0.25

Answer

$1.25 ÷ 5 = $0.25 per pencil.

Question 5

What is the value of x in the proportion 3/6 = x/10?

Accepted Answer

5

Answer

Cross-multiply: 3 × 10 = 6x, so 30 = 6x and x = 5.

MASS Test Practice Test