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Warm-up Problems
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1.A 2.B 3.C 4.D Five Minute Check 1 (over Lesson 4-5) Write the repeating decimal 1.22222 using bar notation. A.1.2 B.1.2 C.0.12 D.1.2
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1.A 2.B 3.C 4.D Five Minute Check 2 (over Lesson 4-5) Write the repeating decimal 0.15151515 using bar notation. A.15.0 B.1.5 C.0.15 D.0.15
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1.A 2.B 3.C 4.D Five Minute Check 3 (over Lesson 4-5) Use bar notation if the decimal is a repeating decimal. A.1.2 B.1.4 C.2.4 D.2.6
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1.A 2.B 3.C 4.D Five Minute Check 4 (over Lesson 4-5) Use bar notation if the decimal is a repeating decimal. A.0.6 B.0.652 C.0.625 D.0.571
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Lesson Menu Main Idea and Vocabulary Key Concept: Percent Example 1:Write Ratios as Percents Example 2:Write Ratios as Percents Example 3:Write a Fraction as a Percent Example 4:Write a Fraction as a Percent Example 5:Write a Percent as a Fraction
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Main Idea/Vocabulary Ratio-comparison of 2 quantities by division. Percent- a ratio comparing a number to 100. Write fractions as percents and percents as fractions (2.1.8A) (M7.A.1.1).
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KC
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Example 1 Write Ratios as Percents Write the ratio as a percent. Diana scored 63 goals out of 100 attempts. Answer: Diana scored on 63% of her attempts.
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1.A 2.B 3.C 4.D Example 1 A.33% B.34% C.66% D.78% Write the ratio as a percent. Alicia sold 34 of the 100 cookies at the bake sale.
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Example 2 Write Ratios as Percents Write the ratio as a percent. In a survey, 31.9 out of 100 people preferred crunchy peanut butter. Answer: So, 31.9% of the people surveyed preferred crunchy peanut butter.
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1.A 2.B 3.C 4.D Example 2 A.0.734% B.7.34% C.73.4% D.86.2% Write the ratio as a percent. 73.4 out of 100 people preferred the chicken instead of the roast beef.
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Example 3 = Write a Fraction as a Percent First, find an equivalent fraction with a denominator of 100. Then write the fraction as a percent. Answer:.
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1.A 2.B 3.C 4.D Example 3 A.1.8% B.11% C.20% D.55%
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Example 4 FISHING William caught and released 20 trout on his fishing trip. Twelve of them were rainbow trout. What percent of the trout he caught were rainbow trout? Answer: So, 60% of the trout were rainbow trout. Write an equivalent fraction with a denominator of 100. =60%
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1.A 2.B 3.C 4.D Example 4 A.18% B.36% C.72% D.88% READING Mitchell read 18 out of 25 chapters of a book during his winter vacation. What percent of the chapters did he read?
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Example 5 Write 22% as a fraction in simplest form. Answer: Write a Percent as a Fraction Definition of percent Simplify.
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1.A 2.B 3.C 4.D Example 5 Write 84% as a fraction in simplest form. A. B. C. D.
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GUIDED PRACTICE Write each ratio as a percent. 1.57:100 insects are spiders 2.$29.20 per $100 Write each fraction as a percent. 3.¼4. 6/105. 17/20 6.Tansy used 2/5 of the memory available on her flash drive. What percent of the memory did she use? Write each percent as a fraction in simplest form. 7.90%8. 75%9. 22% 57% 29.2% 25%60%85% 40%
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End of the Lesson
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Resources Five-Minute Check (over Lesson 4–5) Image Bank Math Tools Percents Prime Factorization
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