Research and analyze ancient number systems (7.H.1), Understand number systems using different bases and their applications. (7.H.2)

Links: Mayan Number Chart 2

Mayan Videos: Mystery of the Mayans

Number System Sites: Historical Number Systems, Math Forum, Purple Math

Number Base Calculator (online)

Concepts in Number Theory
Examine the use of mathematics in creating codes. (7.H.3)
JSD Teachers, please access the HiMAP module: Codes Galore (CD delivered to your school)

President Jefferson’s Secret Code: Lewis and Clark Secret Code, Cryptologist Cracks the Code

Links for Codes: The math of Secret Codes, Make Your Own Math Code, CIA–Kryptos Code

Bar Codes Explanatory Link
Recognize and appreciate patterns in nature, art, and mathematics (7.H.4)
Golden Ratio
Fibonacci Sequence
Fibonacci Numbers Day 2

Penrose Tiling Project, Penrose Tilings

Puzzle 1, Puzzle 2, Puzzle 3, Puzzle 4, Puzzle 5, Puzzle 6

Lesson Preparation

Fibonacci Trains (Illuminations)

Fibonacci Sequence Patterns Sites: Math is Fun, In Nature