Unit 4: Decimals, Percents and algebraic reasoning.

Section 12: Ratios

Goals:
Resources:
Bassarear discusses ratios in section 6.1


Different ways of phrasing ratio situations:
Video:
Ways of expressing ratios

Assignment:
Illustrate the ratios, and fill in the blanks in pages 2, 3 and 4 of this SMART Notebook file.  Save it as a Notebook file to turn in.

Solving ratio problems by guessing and checking
Videos:
Guessing and checking to solve an example
How to get credit by putting your answers into the quiz section on D2L

Assignment:
Illustrate the problems and complete the tables on pages 2, 3, and 4 of this SMART Notebook file.  Input your answers from the tables into the quiz "Ratio problem solving" on D2L
Hints for the frustrated

Follow-up video
Other strategies that work for some of these problems.

Using bar diagrams to solve ratio problems:
Videos:
The Word file with the examples
Examples part 1
Examples part 2
Assignment
Solve these problems using bar diagrams