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

81
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 25 19 8 5

Transcript of 5 Minute Check Write each decimal as a fraction or mixed number. 1. 0.3 2. 1.65 Write each fraction...

  • Slide 1
  • 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
  • Slide 2
  • 5 Minute Check Write each decimal as a fraction or mixed number. 1. 0.3 =
  • Slide 3
  • 5 Minute Check Write each decimal as a fraction or mixed number. 2. 1.65
  • Slide 4
  • 5 Minute Check Write each decimal as a fraction or mixed number. 2. 1.65 = 1 = 1
  • Slide 5
  • 5 Minute Check Write each fraction as a decimal. 3.
  • Slide 6
  • 5 Minute Check Write each fraction as a decimal. 3. = = 0.76
  • Slide 7
  • 5 Minute Check Write each fraction as a decimal. 4. 21
  • Slide 8
  • 5 Minute Check Write each fraction as a decimal. 4. 21 = 21 = 21.625
  • Slide 9
  • Tuesday, Sept 9 Lesson 6.2.2 and 6.2.3 Percents, Decimals and Fractions
  • Slide 10
  • Objective: To understand how to convert between percents, decimals and fractions.
  • Slide 11
  • Percents, Decimals and Fractions Lesson 6.2.2
  • Slide 12
  • Percents, Decimals and Fractions A percent is a ratio that compares a number to 100. Examples 50 50%=50:100 50%= 100
  • Slide 13
  • Percents, Decimals and Fractions A percent is a ratio that compares a number to 100. What ratio does 75% represent?
  • Slide 14
  • Percents, Decimals and Fractions A percent is a ratio that compares a number to 100. What ratio does 75% represent? 75 75:100 75 out of 100 100
  • Slide 15
  • Percents, Decimals and Fractions A percent is a ratio that compares a number to 100. Are these in simplest form? 75 75:100 75 out of 100 100
  • Slide 16
  • Percents, Decimals and Fractions A percent is a ratio that compares a number to 100. Are these in simplest form? 3 3:4 3 out of 4 4
  • Slide 17
  • Percents, Decimals and Fractions Write 40% as a fraction. To Write a Percent as a Fraction. Step 1 - Write the percent as a rate out of 100. 40 100
  • Slide 18
  • Percents, Decimals and Fractions Write 40% as a fraction. To Write a Percent as a Fraction. Step 2 Simplify, if necessary. 40 2 2 100 2 = 5
  • Slide 19
  • Percents, Decimals and Fractions Write 75% as a fraction. Do this on your own.
  • Slide 20
  • Percents, Decimals and Fractions Write 75% as a fraction. 75 25 3 100 25 = 4
  • Slide 21
  • Percents, Decimals and Fractions Write 90% as a fraction. Do this on your own.
  • Slide 22
  • Percents, Decimals and Fractions Write 90% as a fraction. 90 10 9 100 10 = 10
  • Slide 23
  • Percents, Decimals and Fractions Write 38% as a fraction. Do this on your own.
  • Slide 24
  • Percents, Decimals and Fractions Write 38% as a fraction. 38 2 19 100 2 = 50
  • Slide 25
  • Percents, Decimals and Fractions 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)
  • Slide 26
  • Percents, Decimals and Fractions In a recent survey 55% of cell phone users say they text. What fraction of cell phone users is this? 55 5 11 100 5 = 20
  • Slide 27
  • Percents, Decimals and Fractions The table shows the percent of each movie type rented during a month. What fraction of the rentals were action movies?
  • Slide 28
  • Percents, Decimals and Fractions The table shows the percent of each movie type rented during a month. What fraction of the rentals were action movies? 35 5 7 100 5 = 20
  • Slide 29
  • Percents, Decimals and Fractions The table shows the percent of each movie type rented during a month. What fraction of the rentals were action movies? 35 5 7 100 5 = 20 You did not need to add up the percents to get the total. Why?
  • Slide 30
  • Percents, Decimals and Fractions 6 Write 8 as a percent. To Write a Fraction as a Percent. Step 1 Convert the fraction to a decimal. 6 3 75 8 = 4 = 100 = 0.75
  • Slide 31
  • Percents, Decimals and Fractions 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). 6 3 75 8 = 4 = 100 = 0.75x 100 = 75%
  • Slide 32
  • Percents, Decimals and Fractions 5 Write 20 as a percent. (Do this on your own)
  • Slide 33
  • Percents, Decimals and Fractions 5 Write 20 as a percent. 5 1 25 20 = 4 = 100 = 0.25 x 100 = 25%
  • Slide 34
  • Percents, Decimals and Fractions 1 Write 5 as a percent. (Do this on your own)
  • Slide 35
  • Percents, Decimals and Fractions 1 Write 5 as a percent. 1 20 5 = 100 = 0.20 x 100 = 20%
  • Slide 36
  • Percents, Decimals and Fractions Mitchell made 12 out of 40 shots during the basketball game. What percentage of the shots did he make? Do this on your own.
  • Slide 37
  • Percents, Decimals and Fractions Mitchell made 12 out of 40 shots during the basketball game. What percentage of the shots did he make? 12 3 40 = 10 = 0.3 x 100 = 30% What percentage of his shots did he NOT make?
  • Slide 38
  • Percents, Decimals and Fractions 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%
  • Slide 39
  • Percents, Decimals and Fractions Elsa ran for 7 out of 10 days. What percent of days did she run? Do this on your own.
  • Slide 40
  • Percents, Decimals and Fractions Elsa ran for 7 out of 10 days. What percent of days did she run? 7 10 = 0.7 x 100 = 70%
  • Slide 41
  • Percents, Decimals and Fractions 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.
  • Slide 42
  • Percents, Decimals and Fractions 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 7 100 2 = 50 2 = 25
  • Slide 43
  • Percents, Decimals and Fractions Lesson 6.2.3
  • Slide 44
  • Percents, Decimals and Fractions 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.
  • Slide 45
  • Percents, Decimals and Fractions Write 56% as a decimal. (Do this on your own)
  • Slide 46
  • Percents, Decimals and Fractions Write 56% as a decimal. 56% 100 =.56.56.
  • Slide 47
  • Percents, Decimals and Fractions Write 32% as a decimal. (Do this on your own)
  • Slide 48
  • Percents, Decimals and Fractions Write 32% as a decimal. 32% 100 =.32.32.
  • Slide 49
  • Percents, Decimals and Fractions Write 93% as a decimal. (Do this on your own)
  • Slide 50
  • Percents, Decimals and Fractions Write 93% as a decimal. 93% 100 =.93.93.
  • Slide 51
  • Percents, Decimals and Fractions Write 122% as a decimal. (Do this on your own)
  • Slide 52
  • Percents, Decimals and Fractions Write 122% as a decimal. 122% 100 = 1.22 1.22. This is tomorrows lesson!
  • Slide 53
  • Percents, Decimals and Fractions 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. Dont forget to add zeros)..4 x 100 = 40%.40.%
  • Slide 54
  • Percents, Decimals and Fractions Write.25 as a percent. (Do this on your own)
  • Slide 55
  • Percents, Decimals and Fractions Write.25 as a percent..25 x 100 = 25%.25.%
  • Slide 56
  • Percents, Decimals and Fractions Write.73 as a percent. (Do this on your own)
  • Slide 57
  • Percents, Decimals and Fractions Write.73 as a percent..73 x 100 = 73%.73.%
  • Slide 58
  • Percents, Decimals and Fractions Write.05 as a percent. (Do this on your own)
  • Slide 59
  • Percents, Decimals and Fractions Write.05 as a percent..05 x 100 = 5%.05.%
  • Slide 60
  • Percents, Decimals and Fractions Write.775 as a percent. (Do this on your own)
  • Slide 61
  • Percents, Decimals and Fractions Write.775 as a percent..775 x 100 = 77.5%.77.5%
  • Slide 62
  • Percents, Decimals and Fractions Write 1.5 as a percent. (Do this on your own)
  • Slide 63
  • Percents, Decimals and Fractions Write 1.5 as a percent. 1.5 x 100 = 150% 1.50.%
  • Slide 64
  • Percents, Decimals and Fractions Write 5.634 as a percent. (Do this on your own)
  • Slide 65
  • Percents, Decimals and Fractions Write 5.634 as a percent. 5.634 x 100 = 563.4% 5.63.4%
  • Slide 66
  • Percents, Decimals and Fractions The United States produces more corn than any other country, producing.35 of the total corn crops. What is the percentage?
  • Slide 67
  • Percents, Decimals and Fractions 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%
  • Slide 68
  • Percents, Decimals and Fractions Which number does not belong? 9 45 8 20 100 45% 45 Do this on your own.
  • Slide 69
  • Percents, Decimals and Fractions Which number does not belong? 9 45 8 20 100 45% 45 8 9 45, the other numbers are equivalent to 20
  • Slide 70
  • Percents, Decimals and Fractions Write a decimal between.5 and.75. Then write it as a fraction in the simplest form. Do this on your own.
  • Slide 71
  • Percents, Decimals and Fractions 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%
  • Slide 72
  • Percents, Decimals and Fractions How would you write 43 % as a decimal? Do this on your own.
  • Slide 73
  • Percents, Decimals and Fractions How would you write 43 % as a decimal? 3 75 43 4 = 43 100 = 43.75% 43.75% 100 = 0.4375.43.75
  • Slide 74
  • Percents, Decimals and Fractions Over the past two days we have learned 6 methods for writing percents, decimals and fractions. You should be able to write a.
  • Slide 75
  • You should be able to write a: Decimal as a Fraction Simplify the word form.
  • Slide 76
  • You should be able to write a: Decimal as a Fraction Simplify the word form. Fraction as a Decimal Equivalent fraction with a denominator of 10, 100, or 1000.
  • Slide 77
  • You should be able to write a: Decimal as a Fraction Simplify the word form. Fraction as a Decimal Equivalent fraction with a denominator of 10, 100, or 1000. Percent as a Fraction Put the number over 100 and simplify.
  • Slide 78
  • You should be able to write a: Decimal as a Fraction Simplify the word form. Fraction as a Decimal Equivalent fraction with a denominator of 10, 100, or 1000. Percent as a Fraction Put the number over 100 and simplify. Fraction as a Percent Convert to a decimal and multiply by 100.
  • Slide 79
  • You should be able to write a: Decimal as a Fraction Simplify the word form. Fraction as a Decimal Equivalent fraction with a denominator of 10, 100, or 1000. 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.
  • Slide 80
  • You should be able to write a: Decimal as a Fraction Simplify the word form. Fraction as a Decimal Equivalent fraction with a denominator of 10, 100, or 1000. 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.
  • Slide 81
  • Percents, Decimals and Fractions Agenda Notes Homework Homework Practice 6.2.2/6.2.3 Due Wednesday, Sept 10 Mid-Chapter Quiz Thursday, Sept 11