1. Splash Screen

2. 5-minute check

3. 1.A 2.B 3.C 4.D Five Minute Check 1 Write the ratio 36 to 21 as a fraction in simplest form. A. B. C. D. (over Lesson 6-1)

4. 1.A 2.B 3.C 4.D Five Minute Check 2 Write the ratio 16 to 64 as a fraction in simplest form. A.4 B.2 C. D. (over Lesson 6-1)

5. 1.A 2.B 3.C 4.D Five Minute Check 3 Write the ratio 22 meters to 180 meters as a fraction in simplest form. A. B. C. D. (over Lesson 6-1)

6. 1.A 2.B 3.C 4.D Five Minute Check 4 Determine and explain whether the ratios 4:6 and 52:78 are equivalent. A.Yes; 4:6 = and 52:78 = B.Yes; 4:6 = and 52:78 = C.No; 4:6 = and 52:78 = D.No; 4:6 = and 52:78 = (over Lesson 6-1)

7. 1.A 2.B 3.C 4.D Five Minute Check 5 Determine and explain whether the ratios 8:17 and 32:64 are equivalent. A.Yes; 8:32 = and 17:64 = B.Yes; 8:32 = and 17:64 = C.No; 8:17 = and 32:64 = D.No; 8:17 = and 32:64 = (over Lesson 6-1)

8. Lesson Menu Main Idea and Vocabulary Key Concept: Ratios Example 3:Real-World Example

9. Main Idea/Vocabulary Ratio – a comparison of two quantities by division. equivalent ratios – Ratios that express same relationship between 2 quantities Write ratios as fractions in simplest form and determine whether two ratios are equivalent (2.1.8D) (M7.A.2.2).

10. KC 1

11. Example 3 POOLS It is recommended that no more than one person be allowed into the shallow end of an outdoor public pool for every 15 square feet of surface area. If a local pool’s shallow end has a surface area of 1,800 square feet, are the lifeguards correct to allow 120 people into that part of the pool? Recommended ratio Actual ratio Answer: Since the ratios simplify to the same fraction, the lifeguards are correct to allow 120 people into the shallow end of the pool.

12. 1.A 2.B Example 3 A.yes B.no SCHOOL A district claims that they have 1 teacher for every 15 students. If they actually have 2,700 students and 135 teachers, is their claim correct?

13. 1.A 2.B Example 3 A.yes B.no SHOPPING A grocery store has a brand-name cereal on sale at 2 boxes for $5. You buy 6 boxes and are charged $20. Based on the price ratio indicated, were you charged the correct amount?

14. End of the Lesson

15. Resources Five-Minute Check (over Chapter 5) Image Bank Math Tools Scale Drawings Using Proportions

16. End of Custom Shows