Video Links 6-7
Video:
Ratios and Proportions (time: 3:50)
… See the whole entry
Proportions
Reference Topics 6-7
This site gives some practice with ratios.
http://www.purplemath.com/modules/ratio.htm
This site gives some practice with proportions. Scroll down to the bottom and check out the next several pages as well.
http://www.purplemath.com/modules/ratio2.htm
This site gives some examples of working with proportions.
http://www.purplemath.com/modules/ratio2.htm… See the whole entry
Section 6.7: Ratios, Proportions, and Problem Solving
6.7 Outline
- Ratios
- definition
- reduce a ratio
- Proportions
- definition
- property of proportions
- solving proportions
- cross-product divided by the number opposite the unknown
- procedure
…