NYSTCE ATAS Mathematical Concepts and Operations 2

Question 1

A student is simplifying the fraction 18/24. What is the greatest common factor (GCF) of 18 and 24?

Accepted Answer

6

Answer

3

Answer

9

Answer

12

Question 2

Which of the following best describes a prime number?

Accepted Answer

A number with exactly two factors: 1 and itself

Answer

A number divisible by 2

Answer

A number that is always odd

Answer

A number divisible only by even numbers

Question 3

A teaching assistant needs to help a student convert 0.75 to a fraction. What is the correct simplified form?

Accepted Answer

3/4

Answer

75/10

Answer

7/5

Answer

15/20

Question 4

A student counts 12 red cubes and 8 blue cubes. What is the ratio of red to blue cubes in simplest form?

Accepted Answer

3:2

Answer

12:8

Answer

2:3

Answer

4:3

Question 5

Which number sentence illustrates the commutative property of addition?

Accepted Answer

3 + 4 = 4 + 3

Answer

(3 + 4) + 5 = 3 + (4 + 5)

Answer

3 × (4 + 5) = 3×4 + 3×5

Answer

3 + 0 = 3

Question 6

A student earns $7.50 per hour babysitting. How much does she earn after working 4 hours?

Accepted Answer

$30.00

Answer

$28.00

Answer

$11.50

Answer

$32.50

Question 7

Which of the following is an example of an improper fraction?

Accepted Answer

9/4

Answer

3/7

Answer

1/2

Answer

2/5