ParaPro Number Sense and Basic Operations 3

Question 1

A student is solving a word problem: 'Rosa has 3 boxes. Each box has 12 crayons. How many crayons in all?' Which operation should the student use?

Accepted Answer

Multiplication

Answer

Combining equal groups (3 groups of 12) requires multiplication: 3 × 12 = 36.

Question 2

What is the greatest common factor (GCF) of 18 and 24?

Accepted Answer

6

Answer

The factors of 18 are 1,2,3,6,9,18 and of 24 are 1,2,3,4,6,8,12,24; the greatest common factor is 6.

Question 3

A student converts 7/4 to a mixed number. The correct answer is:

Accepted Answer

1 3/4

Answer

7 ÷ 4 = 1 remainder 3, so 7/4 = 1 3/4.

Question 4

On the ParaPro math section, a student must evaluate: 5 + 3 × 2. Using order of operations, the answer is:

Accepted Answer

11

Answer

By order of operations (PEMDAS), multiplication is performed before addition: 3 × 2 = 6, then 5 + 6 = 11.

Question 5

A paraprofessional uses base-ten blocks to help a student understand regrouping in subtraction. This is an example of using:

Accepted Answer

Concrete manipulatives

Answer

Base-ten blocks are concrete manipulatives that provide a physical, hands-on representation of place value and regrouping.

ParaPro Assessment Test Practice Test