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## Solve problems involving ratios, rates and percents. SPI 0606.2.6

### Links verified on 5/23/2016

1. Percent
1. Finding a percent of a quantity - five multiple choice questions 2. Fraction Bar Games - eight interactive fraction bar games 3. Fraction Bars [Math Playground] - Fraction bars will be drawn once the numerator and denominator are properly set. Turn numbers on or off. 4. Fractions, Decimals or Percent - two are given, you supply the third [This expired link is available through the Wayback Machine Internet Archive. If the page doesn't load quickly click on Impatient? at the bottom right of the page.] 5. Math at the Mall - practice percentages and finding the best deal while shopping at a virtual mall 6. Musical Fraction Bars: Making Melodies With Fractions - The Musical Fraction Bars activity connects your knowledge of fractions and length to musical pitch.� Simply choose your fractions and press play � your fractions will transform into a musical composition you can see and hear. 7. Penguin Waiter Percent Game - Funbrain site 8. Percent Problems - a one-player, or two-player game from Quia 9. Percentage Calculator - This online percentage calculator shows how a percentage is represented as a fraction of a number.
10. Percentages and Proportions - five multiple choice questions 11. Percents and Ratios - an index of pages that teach percent and ratio skills covered in K8 math courses - Each page has an explanation, interactive practice and challenge games about percents and ratios. (from AAA math) 12. Percents and Wholes - five multiple choice questions 13. Percent with a Calculator - after the lesson there are problems to work (don't run your mouse over the colored blocks until you have an answer in mind)
14. Pie Chart - view pie charts (parameters: number of sectors, size of sector as a percent)
15. Practice Solving Percent Problems - more percent practice 16. Shopping at Troy's Toys - percent shopping 17. Solving Percent Problems Using a Pyramid Grid - an interactive lesson
18. Using percents - five multiple choice questions 19. Using the Proportion Method to Solve Percent Problems - practice problems at the end 20. What percentage has been shaded - Guess the percent of the shaded pie chart
21. What Percentage of your Class is Right or Left Handed? - a data collection and analysis class experiment 2. Ratio and Proportion
1. Algebra: Proportion Word Problems - explanation and examples [direct and inverse proportion explained]
2. All About Ratios - five multiple choice questions, select "get Score" to see how you did 3. All About Ratios - links to several lessons by Cynthia Lanius 4. All About Ratios: (Problem Solving) - A famous Texas chef has a secret recipe for her chili. When people ask her for it, she hands them a card with the complete recipe except for 1 detail. For the missing detail, she gives them a clue. Use ratios to discover the missing ingredient.
5. Cat and Mouse: Direct and inverse proportion - The problem is actually a great opportunity to teach direct variation and inverse variation.
6. Comparing Ratios and Rates - five multiple choice questions 7. Determine the number based on the ratio - instruction and review, practice, and a quiz and 8. Determining the Ratio - instruction and review, practice, and a quiz and 9. Figure This: Math Challenge for Families - proportional reasoning
10. Interpreting and Applying Proportions - five multiple choice questions 11. Learning ratios and proportions through scale drawings - a text lesson plan 12. Percentages and Proportions - five multiple choice questions 13. Percents and Ratios - AAA math site with many interactive quizzes - instruction and review, practice, and a quiz and 14. Percents and Ratios - an index of pages that teach percent and ratio skills covered in K8 math courses - Each page has an explanation, interactive practice and challenge games about percents and ratios. - instruction and review, practice, and a quiz and 15. Percent with a Calculator - after the lesson there are problems to work (don't run your mouse over the colored blocks until you have an answer in mind)
16. Practice with Ratios - ten questions, each with answer and explanation available in pull down menus 17. Proportions and Ratios - good explanation of means and extremes from Free Math
18. Proportion Problems - [Skillwise factsheet] summary of some everyday practical problems involving proportion
19. Proportion Problems: Matching - [Skillwise worksheet] exercise in placing calculations and answers under the appropriate problems 20. Proportion Sorting 1 - [Skillwise worksheet] exercise in identifying proportion in sets of numbers 21. Proportion Sorting 2 - [Skillwise worksheet] exercise in identifying proportion in everyday contexts 22. Rags to Riches: Ratio and Proportion Quiz - quiz at Quia 23. Rates, Ratios, and Proportions - a two person quiz from Quia 24. Ratio/Proportion Problems from Ask Dr. Math - three pages of links to real-world problems
25. Ratio and Proportion - math review practice exercises 26. Ratio and Proportion - A proportion is a name we give to a statement that two ratios are equal. (This is a 3 step lesson followed by a workout.)
27. Ratio and Proportion - introduction, in depth explanation, examples and a workout of ten problems 28. Ratio and Proportion - one-minute video on ratio and proportion 29. Ratio and Proportion - Level 1 Quiz 30. Ratio and Proportion - Entry 3 Quiz 31. Ratio and Proportion Key Words - [Skillwise factsheet] summary of the main words and terms used in ratio and proportion 32. Ratio Exercises:
33. Ratio Proportion Calculator - Enter the known and unknown values from your proportion problem. In classic algebraic format, place an x in the box where the value is unknown. Click on Calculate to see the answer. 34. Ratios - a six page module from Purple Math
35. Ratios and Proportions - explanation with four sample problems 36. Ratios and Proportions - an interactive lesson in a slide show format 37. Ratio and Proportion - This 46-slide show makes the distinction among ratio, proportion and fraction and also gives students practice at scaling. This slide show could be used as a whole class review with projection or an interactive whiteboard. Student practice assignments are built in. 38. Reduce Ratios to Lowest Terms - interactive quiz - instruction and review, practice, and a quiz and 39. Review of Proportion - examples and practice problems [This expired link is available through the Wayback Machine Internet Archive. If the page doesn't load quickly click on Impatient? at the bottom right of the page.]
40. Review of Ratios - examples and practice problems [This expired link is available through the Wayback Machine Internet Archive. If the page doesn't load quickly click on Impatient? at the bottom right of the page.]
41. Teaching Ratios and Proportions - suggestion for teachers and parents
42. Using Proportions - five multiple choice questions {refresh to get new problems]  site for teachers | PowerPoint show | Acrobat document | Word document | whiteboard resource | sound | video format | interactive lesson | a quiz | lesson plan | to print Internet4classrooms is a collaborative effort by Susan Brooks and Bill Byles. 