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Published byAmberly Kathryn Flowers Modified over 8 years ago

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Learning Target: I can divide fractions divide decimals.

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**Vocabulary Reciprocal Two numbers that have a product of 1**

Flip a fraction upside down example: 3 and 4

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Take a look at these:

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**Example 1: I can divide fractions.**

Divide. Write the answer in simplest form. 5 11 1 2 ÷ 5 11 ÷ 1 2 5 11 • 2 1 = Multiply by the reciprocal. 5 11 • 2 1 = No common factors. 10 11 = Simplest form

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**Example 2: I can divide fractions.**

Evaluate the expression for the given value of the variable. 4 5 k ÷ for k = 5 Multiply by the reciprocal. 5 4 = 5 1 • 4 5 5 ÷ 5 • 5 1 • 4 = 25 4 1 4 6 Divide.

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**Example 3: I can divide fractions.**

Divide. Write the answer in simplest form. 3 8 2 ÷ 2 3 8 ÷ 2 = 19 8 2 1 ÷ Write as an improper fraction. = 19 8 1 2 Multiply by the reciprocal. 19 • 1 8 • 2 = No common factors 19 16 = 3 16 = 1 19 ÷ 16 = 1 R 3

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**Ex 1: I can divide decimals**

Find ÷ 0.24. 0.384 0.24 0.384 ÷ 0.24 = 100 38.4 24 = 38.4 24 = Divide. = 1.6

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**Example 2: I can divide decimals.**

Find ÷ 0.25. 0.585 0.25 0.585 ÷ 0.25 = 100 58.5 25 = 58.5 25 = Divide. = 2.34

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**Do you have the learning targets mastered?**

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**Lesson quiz: I can divide fractions.**

Divide. Write the answer in simplest form. 7 15 3 4 ÷ 7 15 ÷ 3 4 7 15 • 4 3 = Multiply by the reciprocal. 7 • 4 15 • 3 = No common factors. 28 45 = Simplest form

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**Lesson Quiz: I can divide decimals**

–12 ÷ 2.5 A. –4.8 B. –4.3 C D. 5.2

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**Assignment: page 17, problems 24-46 evens, 47, 48, 50, 54-56**

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