please quietly copy in your class journal 1511

please quietly copy in your class journal. 1/5/11 Our Math Goal: to understand ratios. Homework: p. 276 # 1 to 7, p. 279 Try It Answer the following in complete sentences: 1. Write a complete English sentence comparing the number of boys to girls in this class. 2. Write another English sentence comparing two other things. 3. If the ratio of a school’s Male to Female population is 2 to 1, what does that mean? Does that mean only 3 students are there?

Brainpop show on Ratio

MAKING RICE 1. What is the ratio of Water to Rice? 2. Using your ratio, how much water is needed for 25 cups of rice?

Human Ratios Measurements Head Size Birth 12 years 1 1 Neck and Body 3 7

A Special Ratio in Real Life! 1. Which item is cheaper? 2. How much would 1 Yoplait cost? 3. How much would 12 Yoplaits cost? 4. How much would 1 Smoothie cost? 5. How much would 15 Smoothies cost?

Change the following rates into unit rates 1. 2. 3. 4. 5. 6. $5 for 4 apples 6 tickets for 2 rides $10 for 4 movies 5 cups for 2 bottles of mix $100 for 6 hours of work 80 pushups in 4 minutes Then use your unit rates to calculate for every 10 of everything in # 1 to 6 above.

Exploring Rates 1. With your partner, answer the question below by making a reasonable estimate. Give estimates in terms that are easy to understand. 2. Explain how you made the estimate. How fast does your hair grow?

Which is the better deal? $4 for 10 candy bars OR $3 for 8 candy bars? Explain.