#### the ferrer diagram of 12 as monochrome trains...

: ‘Ferrer’ means ‘complete breakdown’ that is all. This below is a breakdown o … more →

#### Chapter 4 Section 1: Factors and Multiples

: Number Theory is the study of nonzero whole numbers and their relationships. An important type of re … more →

#### Math Picture Book Post #3: Miss Lina's Ballerinas — 4 comments

: Miss Lina’s Ballerinas by Grace Maccarone is about “teamwork, making new friends, and th … more →

#### September 7, 2012

: Dear Searchers and Seekers, Today’s probably my favorite lesson of the year. We’re going … more →

#### September 5, 2012

: Dear Number Classifiers, Humans make sense of the world by classifying it. We put like things in one … more →

#### Num3er 10

: 10 is remarkable because the prime numbers under 10 are (2, 3, 5, 7) There are 4 primes. The composi … more →

Tags: Math Beauty, Prime Numbers

#### Barking Up the Prime Number Tree — 1 comment

: You’ve heard it before: “Prime numbers are the building blocks of all numbers”. … more →

#### [1.3] Composite Numbers As Powers On Primes

: Tell me I’m wrong but it seems to me that composite numbers, while the most common thing stude … more →

#### Fermat Numbers

: Proofs from THE BOOK by Martin Aigner and Günter Ziegler begins by giving six proofs of the infinity … more →

#### Test Alert!!! — 1 comment

: Topics 4 and 5 Multiples, Factors, Primes, and Composite: Test Date: January 18, 2012 To help your c … more →

#### Infinity of primes (re-posted to test my changes to latex2wp.py to support LyX 1.6.9)

: I have re-posted this to test my changes to the latex2wp.py and terrystyle.py programs, compiled wit … more →

#### Infinity of primes

: Proofs from THE BOOK by Martin Aigner and Günter Ziegler begins by giving six proofs of the infinity … more →

#### Vocabulary Word of the Week — 2 comments

: Math Vocabulary Word of the Week Prime Number – A whole number greater than 1, that has exactl … more →

#### Prime and Composite Numbers

: The lesson’s objectives were to identify prime and composite numbers in a hundreds chart.  An introd … more →

#### A Strategy for Remembering the Difference between Primes and Composites and an Amusing Teacher Story (by Sig)

: A Strategy for Remembering the Difference between Primes and Composites Subject: Prime and Composite … more →

#### Formal Proof of the Infinitude of Primes — 2 comments

: Note: This is the third part of the Prime Number Series. These are the first two parts: Part I: Intr … more →

#### Prime Series 2: The Intuition Behind The Infinitude of Prime Numbers — 8 comments

: Note: This is the third part of the Prime Number Series Part I: Introduction to Prime Numbers Part I … more →

#### Prime Series 1: Introduction to Prime Numbers — 14 comments

: Note: This is the first part of the Prime Number Series. Part II: Infinitude of Primes Part III: For … more →

#### Monday, 16 November 2009

: Concepts: Divisibility Rules Prime Numbers Factors Composite Numbers Activities: Assessment: Unit 1Q … more →

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