Module · Arithmetic & Number Properties
Chapter 1: Integers & Number Properties
Arithmetic
5 topics
What this chapter covers
The 5 topics below make up Integers & Number Properties on the GRE. Click any topic to open its notes, examples and practice test.
1Integers, Signs & the Number Line
2Odd, Even & Consecutive Integers
3Positive/Negative Rules
4Absolute Value
5Properties of Zero & One
Study material & tests
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Notes, worked examples and hint-guided practice for every topic.
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🎯 Topic tests
8 auto-graded questions per topic, pulled from the question bank.
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📝 Chapter test
25 fresh mixed-difficulty questions, timed, with full solutions.
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Formula Reference Sheet
This chapter
Parity (odd / even)
| even ± even | even |
|---|---|
| odd ± odd | even |
| odd ± even | odd |
| even × anything | even |
| odd × odd | odd |
Signs & special numbers
| negative × negative | positive |
|---|---|
| (negative)^even | positive |
| (negative)^odd | negative |
| Absolute value | |x| = distance from 0 (never negative) |
| n consecutive integers | product divisible by n! |
GRE reference
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