



How do you simplify a ratio? What are the real-world applications of ratios?
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tỷ số và tỉ lệ 2 in 1
- Ratio and Proportion Extensions What are the key concepts of ratios and proportions?
- The ratio of boys to girls in a class is 3 2. If 10 more girls join the class, the ratio becomes 3 4. How many boys were originally in the class? If x y = 5 1 and y z = 2 3, find the ratio x y z.
- Consider potential extensions of ratio and proportion concepts to more advanced mathematical topics. How do you compare ratios using common denominators or cross-multiplication?
- Explain how proportions are used in unit conversions. Solve for w w/15 = 28/60.
- Research historical applications of ratios and proportions. What are some common types of ratio word problems (e.g., mixing, sharing, scaling)?
- A school has a student-teacher ratio of 15 1. If there are 450 students, how many teachers are there? Solve for m (m-3)/2 = (2m+1)/5.
- Give an example of direct proportion. Solve for m m/8 = 21/24.
- Use estimation to check the reasonableness of your answer.
- Find two ratios equivalent to 3 10.
- Explore the concept of compound ratios. What is a direct variation, and how is it related to proportions?
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