5 Minute Check Answer in your notebook. Find the GCF 1. 11 and 13 2. 15 and 60 Find the LCM 3. 11 and 13 4. 15 and 60
5 Minute Check Answer in your notebook. Find the GCF 1. 11 and 13
5 Minute Check Answer in your notebook. Find the GCF 1. 11 and 13 11: 1, 11 13: 1, 13 The GCF of any two prime numbers is always 1
5 Minute Check Answer in your notebook. Find the GCF 2. 15 and 60
5 Minute Check Answer in your notebook. Find the GCF 2. 15 and 60 15: 1, 3, 5, 15, 60: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60 If the smaller number goes into the larger number, smaller is the GCF.
5 Minute Check Answer in your notebook. Find the LCM 3. 11 and 13
5 Minute Check Answer in your notebook. Find the LCM 3. 11 and 13 11: 11, 22, 33, 44, 55, 66, 77, 88, 99, 110,121, 132,143 13: 13, 26, 39, 52, 65, 78, 91, 104,117, 130, 143 If numbers are prime, the LCM will the product of those numbers.
5 Minute Check Answer in your notebook. Find the LCM 4. 15 and 60
5 Minute Check Answer in your notebook. Find the LCM 4. 15 and 60 15: 15, 30, 45, 60, 75…..…. 60: 60…… If the smaller number goes into the larger number, larger is the LCM.
Lesson 2.3 Percents and Fractions Friday, Nov 4 Lesson 2.3 Percents and Fractions
Lesson 2.2 Percents and Fractions Friday, Nov 4 Lesson 2.2 Percents and Fractions
Percents and Fractions Objective: To understand how to write percents as fractions and vice versa.
Percents and Fractions A percent is a ratio that compares a number to 100. e.g. 45% = 45 out of 100 = 𝟒𝟓 𝟏𝟎𝟎
Percents and Fractions To write a percent as a fraction, write the percent as a rate per100 . Then simplify, if needed. Example: 40% = 𝟒𝟎 𝟏𝟎𝟎 ÷ 𝟐𝟎 𝟐𝟎 = 𝟐 𝟓
Percents and Fractions Write the percent as a fraction in simplest form. 60%
Percents and Fractions Write the percent as a fraction in simplest form. 60% means 60 out of 100 60% = 𝟔𝟎 𝟏𝟎𝟎 ÷ 𝟐𝟎 𝟐𝟎 = 𝟑 𝟓 On today’s assignment circle your answer.
Percents and Fractions Write the percent as a fraction in simplest form. 1%
Percents and Fractions Write the percent as a fraction in simplest form. 1% means 1 out of 100 1% = 𝟏 𝟏𝟎𝟎
Percents and Fractions Write the percent as a fraction in simplest form. 300%
Percents and Fractions Write the percent as a fraction in simplest form. 300% means 300 out of 100 300% = 𝟑𝟎𝟎 𝟏𝟎𝟎 = 3
Percents and Fractions The table shows the percent of each movie type rented during the month. What fraction of the rentals were action movies?
Percents and Fractions The table shows the percent of each movie type rented during the month. What fraction of the rentals were action movies? 35% = 𝟑𝟓 𝟏𝟎𝟎 ÷ 𝟓 𝟓 = 𝟕 𝟐𝟎
Percents and Fractions Write each fraction as a percent. 1 4 To Write a Fraction as a Percent. Step 1 – Simplify the fraction, if needed.
Percents and Fractions Write each fraction as a percent. 1 4 To Write a Fraction as a Percent. Step 1 – Simplify the fraction, if needed.
Percents and Fractions Write each fraction as a percent. 1 4 To Write a Fraction as a Percent. Step 2 – Set up a proportion with 100 in the denominator of the 2nd fraction.
Percents and Fractions Write each fraction as a percent. 1 4 = ? 100 To Write a Fraction as a Percent. Step 2 – Set up a proportion with 100 in the denominator of the 2nd fraction.
Percents and Fractions Write each fraction as a percent. 1 4 = ? 100 To Write a Fraction as a Percent. Step 3 – Solve.
Percents and Fractions Write each fraction as a percent. 1 4 = ? 100 To Write a Fraction as a Percent. Step 3 – Solve. x ?
Percents and Fractions Write each fraction as a percent. 1 4 = 25 100 = 25% To Write a Fraction to a Percent. Step 3 – Solve. x 25 Don’t forget the percent sign! x 25
Percents and Fractions Write each fraction as a percent. 6 10 Step 1 - ?
Percents and Fractions Write each fraction as a percent. 6 10 I’m choosing not to simplify, why? Step 2 - ?
Percents and Fractions Write each fraction as a percent. 6 10 = ? 100 Step 3 – ?
Percents and Fractions Write each fraction as a percent. 6 10 = 60 100 = 60% x 10 Don’t forget the percent sign! x 10
Percents and Fractions Write each fraction as a percent. 2 100
Percents and Fractions Write each fraction as a percent. 2 100 = 2% Remember – a percent is a ratio per 100.
Percents and Fractions Write each fraction as a percent. 16 40 ÷ 4 4 = 4 10 = 40 100 = 40% x 10 x 10
Percents and Fractions Write each fraction as a percent. 16 40 ÷ 4 4 = 4 10 = 40 100 = 40% x 10 x 10
Percents and Fractions Mitch got 12 out of 25 questions correct on the math quiz. What was his percent?
Percents and Fractions Mitch got 12 out of 25 questions correct on the math quiz. What was his percent? 12 25 = 48 100 = 48% x 4 x 4
Partners Write each fraction as a percent. 4 5
4 5 = 80 100 = 80% Partners Write each fraction as a percent. x 20 4 5 = 80 100 = 80% x 20 x 20
Partners Write each fraction as a percent. 7 35
Partners Write each fraction as a percent. 7 35 ÷ 7 7 = 1 5 = 20 100 = 20% x 20 x 20
Percents and Fractions How could we write 75% as a decimal? Hint – convert to a fraction and think of the word form !
Percents and Fractions How could we write 75% as a decimal? 75% = 75 100
Percents and Fractions How could we write 75% as a decimal? 75% = 75 100 = 0.75
Percents and Fractions Express the percent as a decimal. 48%
Percents and Fractions Express the percent as a decimal. 48% = 48 100 = 0.48
Percents and Fractions Express the percent as a decimal. 50%
Percents and Fractions Express the percent as a decimal. 50% = 50 100 = 0.50 or 0.5
Percents and Fractions Express the percent as a decimal. 5%
Percents and Fractions Express the percent as a decimal. 5% = 5 100 = 0.05
Percents and Fractions Express the percent as a decimal. 125%
Percents and Fractions Express the percent as a decimal. 125% = 125 100 = 1 25 100 = 1.25
Percents and Fractions Express the percent as a decimal. 9%
Percents and Fractions Express the percent as a decimal. 9% = 9 100 = = 0.09
Percents and Fractions Agenda Notes Skills Practice 2.2 Due by the end of the period Circle all answers! Mid-Chapter 2 Quiz Tuesday, Nov 8
Percents and Decimals Convert a Decimal to a Percent Reverse method 2.
0.65. = 65% Percents and Decimals Convert a Decimal to a Percent Reverse method 2. Example: 0.65. = 65%
Percents and Decimals Write 0.25 as a percent. Do this on your own
Percents and Decimals Write 0.25 as a percent. 0.25. = 25%
Percents and Decimals Write 0.73 as a percent. Do this on your own)
Percents and Decimals Write 0.73 as a percent. 0.73. = 73%
Percents and Decimals Write 0.4 as a percent. Do this on your own)
Percents and Decimals Write 0.4 as a percent. 0.40. = 40%
Percents and Decimals Write 0.05 as a percent. Do this on your own
Percents and Decimals Write 0.05 as a percent. 0.05. = 05% or just 5%
Percents and Decimals The United States produces more corn than any other country, producing 0.35 of the total corn crops. What is the percentage?
Percents and Decimals How would you write 43 % as a decimal? Do this on your own.
43 4 =43100 = 43.75% Percents and Decimals How would you write 43 % as a decimal? 3 75 43 4 =43100 = 43.75% .43.75% = 0.4375
Percents and Decimals Agenda Notes Homework – Homework Practice 2.3 Due Thursday, Sept 15 Mid-Chapter Quiz Tuesday, Sept 22