8th Grade Number Worlds Unit PRE Assessment Unit 1

What is the absolute value of |5|?

• 5

• -5

• -1/5

• 1/5

What is the absolute value of |-1.5|?

• 0.15

• -2/3

• 15

• 1.5

Which number is shown on this number line?

• 1.1

• -0.2

• 0.3

• -1.01

Which decimal number is the same as 5/8?

• 5.8

• 0.625

• 0.58

• 1.6

Which of these converts to a repeating decimal?

• 3/4

• 1/8

• 1/6

• 2/5

What percentage of this figure is shaded?

• 40%

• 75%

• 12%

• 25%

Which answer is 5/6 converted to a decimal number and rounded to the nearest hundredth?

• 0.56

• 1.20

• 0.008

• 0.83

A wildlife camera recorded images of 3 rabbits, 8 squirrels, and 4 chipmunks. What is the ratio of chipmunks to rabbits?

• 4/3

• 3/8

• 8/4

• 4/8

A helium balloon rises at a rate of 45 feet in 3 minutes. What is this rate in its simplest form?

• 42 feet per minute

• 3 feet per minute

• 15 feet per minute

• 135 feet per minute

Which answer completes this proportion? 2/3 = ?/24

• 2

• 16

• 3

• 12