Civil Service Exam (Subprofessional) Numerical Ability — Integers, PEMDAS & DivisibilityConcept Map
Civil Service Exam (Subprofessional) candidates who build concept maps early in review tend to retain Integers, PEMDAS & Divisibility better through the long stretch to exam day. The Integers, PEMDAS & Divisibility concept map on this page shows the sub-topics Civil Service Commission (CSC) includes most often in Civil Service Exam (Subprofessional) Numerical Ability, and how they branch off the central idea.
Exam context
On the Civil Service Exam (Subprofessional) 2026, the Numerical Ability subtest carries a "~25% weightage" weight in Civil Service Commission (CSC)'s pattern. Integers, PEMDAS & Divisibility lands at position 1st out of 9 in the standard review order. Target score is 80%, and roughly 17 items come from Numerical Ability on a typical Civil Service Exam (Subprofessional) paper.
Integers, PEMDAS & Divisibility - Concept map
Central Concept
Numerical Operations and Properties
Related Concepts
Concept
Integers
Sub Concepts
- Positive integers
- Negative integers
- Zero properties
- Law of signs
- Absolute value
- Integer operations
Relationship To Central
Foundation for all numerical operations
Concept
PEMDAS Order of Operations
Sub Concepts
- Parentheses first
- Exponents second
- Multiplication and Division left-to-right
- Addition and Subtraction left-to-right
Relationship To Central
Rules governing how to perform multiple operations correctly
Concept
Divisibility Rules
Sub Concepts
- Divisibility by 2,5,10
- Divisibility by 3,6,9
- Divisibility by 4,8
- Divisibility by 7,11,12
Relationship To Central
Quick methods to determine if numbers divide evenly
Concept
Factors and Multiples
Sub Concepts
- Prime factors
- Composite numbers
- GCF and LCM
- Common factors
- Common multiples
Relationship To Central
Related concepts that help understand number relationships
Concept Connections
To
PEMDAS
From
Integers
Strength
strong
Relationship
Integers are the numbers used in PEMDAS operations
To
Divisibility
From
PEMDAS
Strength
moderate
Relationship
PEMDAS helps evaluate expressions before applying divisibility tests
To
Factors and Multiples
From
Divisibility
Strength
strong
Relationship
Divisibility rules help find factors and determine multiples
To
Factors and Multiples
From
Integers
Strength
strong
Relationship
Factors and multiples are relationships between integers
To
Law of Signs
From
Absolute Value
Strength
strong
Relationship
Absolute value is used when applying sign rules in integer operations
To
Divisibility Rules
From
Prime Factors
Strength
moderate
Relationship
Prime factorization helps understand why divisibility rules work
To
Divisibility
From
GCF and LCM
Strength
moderate
Relationship
Finding GCF and LCM often requires checking divisibility
To
PEMDAS
From
Zero Properties
Strength
moderate
Relationship
Special zero properties affect calculations in PEMDAS
Ready to practise for the Civil Service Exam (Subprofessional) 2026?
Super Tutor's AI review plan adapts to your weak areas and builds a weekly practice schedule around your target Civil Service Exam (Subprofessional) exam date.