Lesson 7.4e Repeating Decimals

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Presentation transcript:

Lesson 7.4e Repeating Decimals Day 1 Lesson 7.4e Repeating Decimals Students will be able to write repeating decimals as a fraction CCMS.8.NS.1

Warm-Up #24 (10/13/2016) Convert 2 3 5 to an improper fraction. 2. Convert 17 4 to a mixed number. 3. Classify the real numbers: 0 -1.125 0.98752… 3 −216

Homework (10/12/2016) Textbook Big Ideas Page 313 #9-17, 19

Writing a Repeating Decimal as a Fraction Let a variable x equal the repeating decimal d. Step 1: Write the equation x = d Step 2: multiply each side of equation by 10 𝑛 to form a new equation, when n is the number of repeating digits. Step 3: Subtract the original equation form the new equation. Step 4: solve for x