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Published byAlaina Barber Modified over 9 years ago

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**Convert between fractions, decimals and percents.**

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**Write the ratio of red balloons to yellow balloons **

Write a ratio in simplest form. 6 red balloons and 6 yellow balloons were used for a party. Write the ratio of red balloons to yellow balloons Write the ratio of red balloons to all balloons Write the ratio of yellow balloons to all balloons Solve the proportion:

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Percent: Per cent => Per 100 Out of 100 100 A fraction with a denominator of 100.

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**Write % as Fractions & Decimals**

To write a percent as a decimal, Divide it by 100 92% To write a percent as a fraction, Put it over 100 92 Abc 100

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**Change a Fraction to a % Top Bottom**

Make it 2 digits after the decimal point 0.60 60%

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**Exit Problems Write 15% as a fraction Write 15% as a decimal.**

Write 0.81 as a percent. Write as a percent.

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**Fractions, Decimals and Percents**

Lesson 12 Proportionality Fractions, Decimals and Percents

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**Communication Prompt Which do you prefer when writing a fraction as a**

percent: -rewriting the fraction with 100 in the denominator OR -writing the fraction as a decimal and multiplying the decimal by 100? Why?

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**Example 3a Write the fraction as a percent.**

Method 1: Rewrite as fraction Write the percent % Method 2: Multiply decimal by 100. Convert to a decimal. Multiply by ·100 = 70 Write with % symbol %

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**Example 2c Write each decimal as a percent. c. 1.44**

Method 1: Rewrite as a fraction Method 2: Multiply by ·100 = 144%

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**Example 1 Write each percent as a fraction and a decimal. a. 25%**

Convert to a fraction and simplify. Convert to a decimal ÷ 4 = 0.25 25% = = 0.25 b. 88% Convert to a decimal ÷ 25 = 0.88 88% = = 0.88

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**Example 2ab Write each decimal as a percent. a. 0.65**

Method 1: Rewrite as a fraction Method 2: Multiply by ·100 = 65% b. 0.5 Method 1: Rewrite as a fraction Method 2: Multiply by ·100 = 50%

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**Example 3b Write the fraction as a percent.**

Method 1: Rewrite as fraction Write the percent % Method 2: Multiply decimal by 100. Convert to a decimal. Multiply by ·100 = 40 Write with % symbol %

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**Example 3c Write the fraction as a percent.**

Method 1: Rewrite as fraction 3 does not divide evenly into use Method 2 Method 2: Multiply decimal by 100. Convert to a decimal. Multiply by 100. Write with % symbol.

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