NBT Mathematics Proficiency

Question 1

What is the value of x in the equation 3x + 7 = 16?

Accepted Answer

x = 5.

Answer

x = 2.

Answer

x = 3.

Answer

x = 6.

Question 2

What is the result of multiplying 9 by 4?

Accepted Answer

36.

Answer

40.

Answer

38.

Answer

45.

Question 3

If a rectangle has a length of 6 units and a width of 3 units, what is the area?

Accepted Answer

18 square units.

Answer

15 square units.

Answer

9 square units.

Answer

20 square units.

Question 4

What is the square root of 81?

Accepted Answer

9.

Answer

8.

Answer

10.

Answer

7.

Question 5

Solve the equation 2x + 5 = 15. What is x?

Accepted Answer

x = 7.

Answer

x = 5.

Answer

x = 4.

Answer

x = 10.

Question 6

Which of the following is a prime number?

Accepted Answer

7.

Answer

9.

Answer

6.

Answer

8.

Question 7

What is the area of a circle with a radius of 4 units?

Accepted Answer

50.24 square units.

Answer

40 square units.

Answer

60 square units.

Answer

45 square units.

Question 8

What is the perimeter of a square with a side length of 5 units?

Accepted Answer

20 units.

Answer

25 units.

Answer

15 units.

Answer

10 units.

Question 9

What is the volume of a cube with a side length of 3 units?

Accepted Answer

27 cubic units.

Answer

30 cubic units.

Answer

18 cubic units.

Answer

25 cubic units.