Presentation is loading. Please wait.

Presentation is loading. Please wait.

Splash Screen. Lesson Menu Five-Minute Check (over Chapter 6) Then/Now New Vocabulary Key Concept: Percent Example 1: Percents as Fractions Example 2:

Similar presentations


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:

1 Splash Screen

2 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

3 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.

4 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.

5 Over Chapter 6 5-Minute Check 3 A.10.5 B.13 C.18 D.21

6 Over Chapter 6 5-Minute Check 4 A.45 B.37 C.35 D.23

7 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?

8 Then/Now You have already converted fractions and decimals. (Lesson 3–1) Express percents as fractions. Express fractions as percents.

9 Vocabulary percent

10 Concept

11 Example 1 A Percents as Fractions A. Write 40% as a fraction in simplest form. Answer: Definition of percent Simplify

12 Example 1 B Percents as Fractions Answer: B. Definition of percent Simplify.

13 Example 1 CYP A A. Write 35% as a fraction in simplest form. A. B. C. D.

14 Example 1 CYP B B. Write % as a fraction in simplest form. A. B. C. D.

15 Example 2 A Less Than 1% or Greater Than 100% A. Write 0.3% as a fraction in simplest form. Multiply by to eliminate the decimal in the numerator. Answer:

16 Example 2 B Less Than 1% or Greater Than 100% B. Write 104% as a fraction in simplest form. Answer:

17 Example 2 CYP A A. Write 0.8% as a fraction in simplest form. A. B. C. D.

18 Example 2 CYP B B. Write 160% as a fraction in simplest form. A. B. C. D.

19 Example 3 A Fractions as Percents Answer: 95% or 95% A. Write as a percent. ___ Write an equivalent fraction with a denominator of 100. Then write the fraction as a percent.

20 Example 3 B Fractions as Percents Answer:160% B.

21 Example 3 CYP A A.68% B.4.25% C.0.68% D.85% A.

22 Example 3 CYP B A. B. C. D. B.

23 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.

24 Answer: The Cougars won 75% of their games. Example 4 Fractions as Percents

25 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?

26 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,

27 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%.

28 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?

29 End of the Lesson


Download ppt "Splash Screen. Lesson Menu Five-Minute Check (over Chapter 6) Then/Now New Vocabulary Key Concept: Percent Example 1: Percents as Fractions Example 2:"

Similar presentations


Ads by Google