LEAP 2025 Math Grade 6 Chapter 12

1 pt

1.

Find the surface area of the pyramid below.

A

$63i{n}^{2}$

B

$19.5i{n}^{2}$

C

$51i{n}^{2}$

D

$61i{n}^{2}$

1 pt

4.

What is the surface area of a cube whose sides measure 8 cm?

$S{A}_{cube}=sumoftheareaofallthefaces$

A

$512c{m}^{2}$

B

$64c{m}^{2}$

C

$384c{m}^{2}$

D

$448c{m}^{2}$

1pt

.

**Part 2:** If each edge of the cube is doubled, what is the difference in the area between the new cube size and the old?

1 pt

8.

JoAnn is building a rectangular prism with a volume of 324 cubic centimeters. The prism is 9 centimeters tall. JoAnn states the only possible base for such a prism is a 6 inch square. Which of the following gives an alternative set of measurements for the base of JoAnn’s prism?

A

6 cm × 9 cm

B

4 cm × 8 cm

C

9 cm × 4 cm

D

11 cm × 3 cm

1 pt

10.

Jeff has a dog kennel that is $25\frac{1}{2}$ inches long, 15 inches wide, and $12\frac{1}{4}$ inches tall. What is the volume of the dog kennel?

A

$4,500\frac{3}{4}i{n}^{3}$

B

$4,685\frac{5}{8}i{n}^{3}$

C

$4,400\frac{1}{2}i{n}^{3}$

D

$18,742\frac{1}{2}i{n}^{3}$