Presentation on theme: "Splash Screen. Lesson Menu Five-Minute Check (over Chapter 6) Then/Now New Vocabulary Key Concept: Percent Example 1: Percents as Fractions Example 2:"— Presentation transcript:
Lesson Menu Five-Minute Check (over Chapter 6) Then/Now New Vocabulary Key Concept: Percent Example 1: Percents as Fractions Example 2: Less Than 1% or Greater Than 100% Example 3: Fractions as Percents Example 4: Real World Example: Fractions as Percents Example 5: Real-World Example: Rounding Percents
Over Chapter 6 5-Minute Check 1 Express the ratio 18 out of 24 students as a fraction in simplest form. A. B. C. D.
Over Chapter 6 5-Minute Check 2 Express the ratio 8 baskets out of 14 tries as a fraction in simplest form. A. B. C. D.
Over Chapter 6 5-Minute Check 5 A.elementary; 19.8 students/classroom B.elementary; 23.4 students/classroom C.middle; 22 students/classroom D.middle; 24 students/classroom The elementary school has 22 classrooms for 435 students. The middle school has 37 classrooms for 814 students. Which school has the least number of students per classroom?
Then/Now You have already converted fractions and decimals. (Lesson 3–1) Express percents as fractions. Express fractions as percents.
Example 4 Fractions as Percents GAMES During the soccer season, the Delta Cougars won 12 of their 16 games. Find the Cougars wins as a percent. Cross products Multiply. Divide each side by 16. Simplify.
Answer: The Cougars won 75% of their games. Example 4 Fractions as Percents
Example 4 A.75% B.80% C.85% D.90% Amy got 17 questions correct out of 20 on a test. What percent did she get right?
Example 5 Rounding Percents CLUBS After a survey, Deion discovered that 8 out of 14 eighth graders at his school participate in a club activity. Find the percent of eighth graders that participate in a club. Round to the nearest hundredth. Cross products Multiply. Estimate,
Example 5 Rounding Percents Divide each side by 14. Simplify. Answer:So, about 57.14% of eighth graders participate in a club activity. Check for Reasonableness 57.14% is close to the estimate of 50%.
Example 5 A.28.75% B.31.72% C.34.78% D.38.49% HEIGHT In Elizas math class, 8 out of 23 students are taller than Eliza. To the nearest hundredth, what percent of the students are taller than Eliza?