LET Elementary Mathematics — Numbers, Number Sense and the Four OperationsSlides
Slide library for Numbers, Number Sense and the Four Operations. Every LET Elementary Mathematics concept in this chapter, broken into bite-sized slides that are easy to scan on mobile. Built around Professional Regulation Commission (PRC)'s recent question patterns for the LET Elementary 2026.
Exam context
The Licensure Examination for Professional Teachers — Elementary is conducted by Professional Regulation Commission (PRC) and is scheduled for Bi-annual. The Mathematics subtest is marked as "Core" in the official pattern, and Numbers, Number Sense and the Four Operations appears in position 1st of 7 in the LET Elementary Mathematics review rotation. Passing mark: Weighted average of 75% with no grade below 50%. Recent LET Elementary 2026 papers have drawn roughly a meaningful share of questions from this subject.
Numbers, Number Sense and the Four Operations - Slides
Slides
Introduction: Number Sense in Elementary Teaching
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S1
The Real Number System: Nested Sets
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S2
Properties of Real Numbers (Part 1): Commutative and Associative
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S3
Properties of Real Numbers (Part 2): Distributive, Identity, and Inverse
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S4
Order of Operations (GEMDAS/PEMDAS)
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S5
Worked Example: Order of Operations
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S6
Operations on Integers (Signed Numbers)
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S7
Worked Example: Signed Numbers in Context
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S8
Factors, Multiples, and Divisibility Rules
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S9
Prime Numbers, Composite Numbers, and Prime Factorization
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S10
Greatest Common Factor (GCF) and Least Common Multiple (LCM)
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S11
Worked Example: GCF and LCM in Real Contexts
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S12
Estimation and Mental Computation
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S13
Absolute Value and Comparing Numbers
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S14
Scientific Notation and Place Value
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S15
Rounding and Roman Numerals
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S16
Chapter Summary: Key Concepts and LET Test Patterns
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S17
Stored In
chapter_slides
Slide Count
17
Summary Only
true
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