Free Printable ECST Are You Smarter Than An 8th Grader?

1.

The perimeter of a square is 72 inches, what is the area?

[A= $s^2$ ]

a)

72 $in^2$

b)

324 $in^2$

c)

18 $in^2$

d)

5,184 $in^2$

2.

What is the surface area of a rectangular solid with a height of 4 m, a length of 15 m, and a width of 6 m?

[SA=(perimeter of base X height) + 2(area of base)]

a)

$174\ m^2$

b)

$347\ m^2$

c)

$348\ m^2$

d)

$360\ m^2$

3.

Find the surface area of a cube with edge of 12 mm.

[SA= 6 X $e^2$ ]

a)

$1,724\ mm^2$

b)

$959\ mm^2$

c)

$864\ mm^2$

d)

$432\ mm^2$

4.

A juice container shaped like a cylinder has a base area of 100 $cm^2$ and can hold 1500 $cm^3$ of juice. The height of the juice container is
[V=Bh]

a)

1.5 cm

b)

10 cm

c)

15 cm

d)

150 cm

5.

A crate is 4 m wide, 12 m long, and 3 m deep. You want to fill the crate with boxes that are 2 m wide, 3 m long, and 1 m deep. How many boxes will fit in the crate? [V= LWH ]

a)

26

b)

24

c)

12

d)

8

6.

Put the following decimals in order from least to greatest: 3.017, 3.17, 3.07, 3.107

a)

3.017, 3.17, 3.07, 3.107

b)

3.07, 3.017, 3.107, 3.17

c)

3.017, 3.07, 3.17, 3.107

d)

3.017, 3.07, 3.107, 3.17

7.

You work 15 hours a week (Monday to Friday). Last week you worked 3 $\frac{1}{2}$ hours on Monday, 4 hours on Tuesday, 2 $\frac{1}{6}$ hours on Wednesday, and 1 $\frac{1}{2}$ hours on Thursday. How many hours did you work on Friday?

a)

4

b)

$\frac{5}{6}$

c)

$3\ \frac{5}{6}$

d)

$2\ \frac{5}{6}$

8.

Last month, Karmin made $480 working for 30 hours. This month, she will get a 15% increase in the amount she earns per hour. What will be her hourly rate, in dollars per hour, after the raise?

a)

$552.00

b)

$18.40

c)

$16.00

d)

$2.40

9.

If 10% of a number is 7,

what is 80% of the number?

a)

5600

b)

70

c)

56

d)

0.7

10.

Hamburger sells for 3 pounds for $6. If Alicia buys 10 pounds of hamburger, how much will she pay?

a)

$10

b)

$20

c)

$30

d)

$60

11.

Which equation represents the proportional relationship of the total amount of money earned, m, to the number of hours worked, h, at a pay rate of $19 per hour?

a)

$m\ =\ 19h$

b)

$m\ =\ 19+h$

c)

$m\ =\ \frac{19}{h}$

d)

$h\ =\ 19m$

12.

$\frac{a}{b}=\frac{c}{d}\$ is equal to

which of the following?

a)

$ad=bc$

b)

$\frac{a}{c}=\frac{b}{d}$

c)

$\frac{b}{a}=\frac{d}{c}$

d)

$\frac{\left(a+b\right)}{b}=\frac{\left(c+d\right)}{d}$

e)

All of the other provided answers

ECST Are You Smarter Than An 8th Grader?

Total questions: 12

Worksheet time: 5mins

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