Review for Second Test
Multicultural Mathematics
Readings: Chapter 7 handout: p. 378385
Course packet: p. 237241, p. 233236, p.142, p. 2423, p.
2612, p. 2712
Questions to review
Homework #2: 3, 6
Homework #3: all questions
Sample Second Test (p. 390394 in the course packet)
1, 7, 8, 9, 10
Essay Question: you will have a choice of twoeither #15 in Sample
Test 2 (p. 394) or the last question (on infinity) in Homework #3.
Topics to review

Addition and subtraction in bases other than base 10.

Modulo

How to recognize two numbers that are equivalent modulo some number

Casting out 9sits relationship to modulo 9, the vedic multiplication
square, and its purpose

Recognizing and creating modulo multiplication and addition tables.

Rational numbers

Definition of a rational number

Converting fractions to decimals and vice versa

Egyptian fractions

Conversion to our system

Using and creating 2/n and 3/n tables

Irrational numbers

Definition

Recognizing irrational numbers

Champernowne's constant

Definition of the square root of 2 and pi

Methods of estimating the square root of 2

Empirical

Geometric (area puzzle)

Iterative

Using infinite sums or products or continued fractions

Comparing the Greek and Babylonian methods of approaching the square root
of two