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Lesson Menu Five-Minute Check (over Lesson 4–7) Main Idea Example 1:Write Fractions as Decimals Example 2:Write Fractions as Decimals Example 3:Fractions as Decimals Example 4:Mixed Numbers as Decimals
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Main Idea/Vocabulary Write fractions as decimals.
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Example 1 Write Fractions as Decimals Answer: 0.7 Write as a decimal. Since the denominator is 10, write as a decimal. Read 0.7 as seven tenths.
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1.A 2.B 3.C 4.D Example 1 A.0.003 B.0.03 C.0.3 D.3.0 Write as a decimal.
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Example 2 Write Fractions as Decimals Since 4 is a factor of 100, write an equivalent fraction with a denominator of 100. Answer: 0.25 Write as a decimal. Read 0.25 as twenty-five hundredths. Since 4 × 25 = 100, multiply the numerator and denominator by 25. ×25
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1.A 2.B 3.C 4.D Example 2 A.0.045 B.0.055 C.0.45 D.0.55 Write as a decimal.
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Example 3 Fractions as Decimals Method 1Use paper and pencil. Write as a decimal. Place the decimal point directly above the decimal point after 3. To divide 3 by 8, place a decimal point after 3 and annex as many zeros as necessary to complete the division. –24 60 –56 40 –40 0
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Example 3 Fractions as Decimals Method 2Use a calculator. Answer: 3 8 0.375 ENTER÷
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1.A 2.B 3.C 4.D Example 3 A.0.125 B.0.5 C.0.625 D.1.6 Write as a decimal.
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Example 4 Mixed Numbers as Decimals BEVERAGES At a meeting, people drank 25 bottles of water. The water came in packs of 8. This makes eight-packs. Write this number as a decimal. Definition of a mixed number Use a calculator to write as a decimal. = 3 + 1 8 ENTER÷
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Example 4 Check Use a calculator. Answer: People at the meeting drank 3.125 eight-packs of bottled water. Read 3.125 as three and one hundred twenty-five thousandths. = 3 + 0.125 or 3.125 3 1 8 3.125 ENTER÷+ Mixed Numbers as Decimals
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1.A 2.B 3.C 4.D Example 4 A.5.08 B.5.16 C.5.32 D.5.64 PAPER Lilly’s school used boxes of paper copying newsletters to be distributed to each student in the school. Write this number as a decimal.
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End of the Lesson
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Resources Five-Minute Check (over Lesson 4–7) Image Bank Math Tools Animation Menu Greatest Common Factor
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Animation Menu 4-24-2 Equivalent FractionsEquivalent Fractions 4-94-9 Ordered Pairs and FunctionsOrdered Pairs and Functions
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1.A 2.B 3.C 4.D Five Minute Check 1 (over Lesson 4-7) Write 0.75 as a fraction in simplest form. A. B. C. D.
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1.A 2.B 3.C 4.D Five Minute Check 2 (over Lesson 4-7) Write 0.375 as a fraction in simplest form. A. B. C. D.
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1.A 2.B 3.C 4.D Five Minute Check 3 (over Lesson 4-7) Write 2.4 as a fraction in simplest form. A. B. C. D.
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1.A 2.B 3.C 4.D Five Minute Check 4 (over Lesson 4-7) Write 1.83 as a fraction in simplest form. A. B. C. D.
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1.A 2.B 3.C 4.D Five Minute Check 5 (over Lesson 4-7) A wrench has an opening size of 0.3125 inch. Write this measure as a fraction in simplest form. A. in. B. in. C. in. D. in.
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1.A 2.B 3.C 4.D Five Minute Check 6 Which fraction is equivalent to 0.875? (over Lesson 4-7) A. B. C. D.
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