Chapter 2 Ratio

RATIO

Ratio Chapter 2

https://www.khanacademy.org/math/arithmetic/rates-and-ratios/ratios_and_proportions/v/introduction-to-ratios--new-hd-version

Page 51 # 1

Page 55 # 2 & 3

Math

QUIZ on WEDNESDAY

Calculating Percentage and Percentage Problems 2.4-2.5

Key ideas:

Conversion of percentage to decimal is essential

100% = 1

10% = .1

1% = .01

Example on the board

(Copy in notebooks)

Video

http://www.youtube.com/watch?v=2rr-IXInEVc

Questions page 72-73

# 1abc

#2a i, ii, iii

#3

#4

#6