CHSPE Mathematics - Number Sense 3

Question 1

Simplify: (−4) × (−3) × 2

Accepted Answer

24

Answer

−24

Answer

−10

Answer

10

Question 2

A bag contains 5 red, 3 blue, and 2 green marbles. What is the probability of randomly selecting a blue marble?

Accepted Answer

3/10

Answer

1/3

Answer

3/7

Answer

1/5

Question 3

What is 2.5 × 10³ written in standard notation?

Accepted Answer

2,500

Answer

250

Answer

25,000

Answer

0.0025

Question 4

Which set of numbers is ordered from greatest to least?

Accepted Answer

−1, −4, −7, −10

Answer

−10, −7, −4, −1

Answer

−7, −4, −1, −10

Answer

−4, −1, −7, −10

Question 5

A student earns $12.50 per hour. How much does she earn for working 6.5 hours?

Accepted Answer

$81.25

Answer

$75.00

Answer

$78.50

Answer

$82.50

Question 6

What is the GCF (greatest common factor) of 36 and 48?

Accepted Answer

12

Answer

6

Answer

18

Answer

24