Ratios and Proportions

Objectives:

• To develop an understanding of what ratios and proportions are and how to use them

• To practice setting up basic ratios

• To practice setting up proportions using ratios and solving for a missing value

• To be able to apply ratios and proportions to practical situations

Outcomes:

1. To correctly complete a ratios worksheet

2. To correctly complete a proportions worksheet

Warm-Up:

1.    Check your basic knowledge of ratios by completing a ratio worksheet.  Click here to create a new worksheet on ratios.  You can either print a copy to work on or complete the problems on your own piece of paper.  Keep in mind that ratios can be written in these forms: 1 to 5, 1:5, or 1/5 (make sure to reduce fractions).  Your goal is to get at least 80% correct on this worksheet.  If you score less than 16 correct, go to New Instruction to learn more about ratios and proportions.  If you get 16 or more correct, move on to Warm-Up #2 to complete a proportions worksheet.  Ask your teacher for an email address to receive a copy of the answer sheet if needed.

2.    Check you basic knowledge of proportions by completing a proportion worksheet.  Click here to create a new worksheet on proportions.  You can either print a copy to work on or complete the problems on your own piece of paper.  Your goal is to get at least 80% correct on this worksheet.  If you score less than 16 correct, go to New Instruction #2 to learn more about proportions.  If you get 16 or more correct, move on to Transfer of Knowledge or Skills.  Ask your teacher for an email address to receive a copy of the answer sheet if needed.

New Instruction:

1. Go to Math.com to learn more about ratios and how to use them.

2. Go to Math.com to learn more about proportions and how to solve them.

Feedback and Review:

1. To check what you have learned on ratios, create another worksheet by clicking here and complete it by getting 80% or higher.  Once you are finished, continue on to #2.

2. To check what you have learned on proportions, create another worksheet by clicking here and complete it by getting 80% or higher.  Once you are finished, continue on to Transfer of Knowledge or Skills.

Transfer of Knowledge or Skills:

Try these activities that apply ratios and proportions to practical situations:

• Click here then read and complete Activities 1 and 2 involving ratios.

• Click here then read and complete Activities 1 and 2 involving proportions.

• Click here to play a game with proportions and try to win a “million dollars!”

• When you have finished these activities, return to the math homepage