Pre-Algebra Diagnostic Pre-Test

Which of the following is a factor of 60?

• 11

• 12

• 13

• 14

If 4/5 = N/15 , then N =

• 5

• 9

• 12

• 25

Round the answer to the nearest hundredth: 3.21 + 3.62 ÷ 2.43

• 4.69

• 2.81

• 4.70

• 15.02

5³•5⁸ =

• 5¹¹

• 5²⁴

• 25¹¹

• 25²⁴

Judy’s heart beats 70 times a minute. At this rate, how many times does her heart beat in an hour?

• 2800

• 4200

• 7000

• 8400

9(x + 3) – (2x + 5) =

• -11x – 2

• 7x – 32

• 11x – 22

• 7x + 22

Find 25% of 840.

• 210

• 420

• 1050

• 730

Which of the following is the area of the square shown to the right?

• 210

• 60

• 225

• 30

The least common multiple of 20 and 12 is

• 240

• 30

• 60

• 120

The difference of a number n and the number 8 is 42. Which of the following equations represents this statement?

• n/8 = 42

• n – 8 = 42

• n + 8n = 42

• 8 = 42