5 Minute Check Write each decimal as a fraction or mixed number. 1. 0.3 2. 1.65 Write each fraction as a decimal. 3. 4. 21.

5 Minute Check Write each decimal as a fraction or mixed number Write each fraction as a decimal

5 Minute Check Write each decimal as a fraction or mixed number =

5 Minute Check Write each decimal as a fraction or mixed number

5 Minute Check Write each decimal as a fraction or mixed number = 1 = 1

5 Minute Check Write each fraction as a decimal. 3.

5 Minute Check Write each fraction as a decimal. 3. = = 0.76

5 Minute Check Write each fraction as a decimal

5 Minute Check Write each fraction as a decimal = 21 =

Lesson 6.2.2 and 6.2.3 Percents, Decimals and Fractions
Tuesday, Sept 9 Lesson and Percents, Decimals and Fractions

Percents, Decimals and Fractions
Objective: To understand how to convert between percents, decimals and fractions.

Lesson 6.2.2

A percent is a ratio that compares a number to 100. Examples 50 50%=50: %=100

A percent is a ratio that compares a number to 100. What ratio does 75% represent?

A percent is a ratio that compares a number to 100. What ratio does 75% represent? 75 75: out of

A percent is a ratio that compares a number to 100. Are these in simplest form? 75 75: out of

A percent is a ratio that compares a number to 100. Are these in simplest form? 3 3:4 3 out of 4 4

Write 40% as a fraction. To Write a Percent as a Fraction. Step 1 - Write the percent as a rate out of

Write 40% as a fraction. To Write a Percent as a Fraction. Step 2 – Simplify, if necessary. 40 ÷ ÷2 = 5

Write 75% as a fraction. Do this on your own.

Write 75% as a fraction. 75 ÷ ÷25 = 4

Write 90% as a fraction. 90 ÷ ÷10 =10

Write 38% as a fraction. 38 ÷ ÷2 = 50

In a recent survey 55% of cell phone users say they text. What fraction of cell phone users is this? (Do this on your own)

In a recent survey 55% of cell phone users say they text. What fraction of cell phone users is this? 55 ÷ ÷5 = 20

The table shows the percent of each movie type rented during a month. What fraction of the rentals were action movies?

The table shows the percent of each movie type rented during a month. What fraction of the rentals were action movies? 35 ÷ ÷5 = 20

The table shows the percent of each movie type rented during a month. What fraction of the rentals were action movies? 35 ÷ ÷5 = 20 You did not need to add up the percents to get the total. Why?

6 Write 8 as a percent. To Write a Fraction as a Percent. Step 1 – Convert the fraction to a decimal. 8 = 4 = 100 = 0.75

6 Write 8 as a percent. To Write a Fraction as a Percent. Step 2 – Multiply by 100 and add the % sign. (Or just move the decimal point two places to the right). 8 = 4 =100 = 0.75x 100 = 75%

5 Write 20 as a percent. (Do this on your own)

5 Write 20 as a percent. 20 = 4 =100 = 0.25 x 100 = 25%

1 Write 5 as a percent. (Do this on your own)

1 Write 5 as a percent. 5 = 100 = 0.20 x 100 = 20%

Mitchell made 12 out of 40 shots during the basketball game. What percentage of the shots did he make? Do this on your own.

Mitchell made 12 out of 40 shots during the basketball game. What percentage of the shots did he make? 40 =10= 0.3 x 100 = 30% What percentage of his shots did he NOT make?

Mitchell made 12 out of 40 shots during the basketball game. What percentage of the shots did he make? What percentage of his shots did he NOT make? 100% - 30% = 70%

Elsa ran for 7 out of 10 days. What percent of days did she run? Do this on your own.

Elsa ran for 7 out of 10 days. What percent of days did she run? 7 10 = 0.7 x 100 = 70%

During a workout, Elan spent 28% of his time on the treadmill. What fraction of his workout was on the treadmill? Do this on your own.

During a workout, Elan spent 28% of his time on the treadmill. What fraction of his workout was on the treadmill? 28 ÷2 14 ÷ ÷2 = 50 ÷2 = 25

Lesson 6.2.3

Write 48% as a decimal. To Write a Percent as a Decimal. Divide the decimal by100 and remove the % sign. (Or just move the decimal point two places to the left). 48% ÷100 = .48 or .48.

Write 56% as a decimal. (Do this on your own)

Write 56% as a decimal. 56% ÷100 = .56 .56.

Write 122% as a decimal. 122% ÷100 = 1.22 1 .22. This is tomorrow’s lesson!

Write .4 as a percent. To Write a Decimal as a Percent. Multiply the decimal by100 and add the % sign. (Or just move the decimal point two places to the right. Don’t forget to add zeros). .4 x 100 = 40% .40.%

Write .25 as a percent. (Do this on your own)

Write .25 as a percent. .25 x 100 = 25% .25.%

Write .775 as a percent. .775 x 100 = 77.5% .77.5%

Write 1.5 as a percent. (Do this on your own)

Write 1.5 as a percent. 1.5 x 100 = 150% 1.50.%

Write as a percent. (Do this on your own)

Write as a percent. 5.634 x 100 = 563.4% 5.63.4%

The United States produces more corn than any other country, producing .35 of the total corn crops. What is the percentage?

The United States produces more corn than any other country, producing .4 of the total corn crops. What is the percentage? .35 x 100 = 35%

Which number does not belong? % 45 Do this on your own.

Which number does not belong? % , the other numbers are equivalent to 20

Write a decimal between .5 and .75. Then write it as a fraction in the simplest form. Do this on your own.

Write a decimal between .5 and .75. Then write it as a fraction in the simplest for form and then write it as a fraction. There are many answers to this. Sample answer .6 = = = 60%

How would you write 43 % as a decimal? Do this on your own.

How would you write 43 % as a decimal? 43 4 =43100 = 43.75% 43.75% ÷100 = .43.75

Over the past two days we have learned 6 methods for writing percents, decimals and fractions. You should be able to write a….

You should be able to write a:
Decimal as a Fraction Simplify the word form.

Decimal as a Fraction Simplify the word form. Fraction as a Decimal Equivalent fraction with a denominator of 10, 100, or 1000.

Decimal as a Fraction Simplify the word form. Fraction as a Decimal Equivalent fraction with a denominator of 10, 100, or Percent as a Fraction Put the number over 100 and simplify.

Decimal as a Fraction Simplify the word form. Fraction as a Decimal Equivalent fraction with a denominator of 10, 100, or Percent as a Fraction Put the number over 100 and simplify. Fraction as a Percent Convert to a decimal and multiply by 100.

Decimal as a Fraction Simplify the word form. Fraction as a Decimal Equivalent fraction with a denominator of 10, 100, or Percent as a Fraction Put the number over 100 and simplify. Fraction as a Percent Convert to a decimal and multiply by 100. Percent as a Decimal Move the decimal point two places to the left.

Decimal as a Fraction Simplify the word form. Fraction as a Decimal Equivalent fraction with a denominator of 10, 100, or Percent as a Fraction Put the number over 100 and simplify. Fraction as a Percent Convert to a decimal and multiply by 100. Percent as a Decimal Move the decimal point two places to the left. Decimal as a Percent Move the decimal point two places to the right.

Agenda Notes Homework – Homework Practice 6.2.2/6.2.3 Due Wednesday, Sept 10 Mid-Chapter Quiz Thursday, Sept 11

5 Minute Check Write each decimal as a fraction or mixed number. 1. 0.3 2. 1.65 Write each fraction as a decimal. 3. 4. 21.

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5 Minute Check Write each decimal as a fraction or mixed number. 1. 0.3 2. 1.65 Write each fraction as a decimal. 3. 4. 21.

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