Wednes day , Jan 8

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Wednesday, Jan 8 Chapter 1 and 2 Review

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Wednes day , Jan 8. Chapter 1 and 2 Review. Chapter 1 and 2 Review. Ernesto has painting class every 2 weeks. Kamala has pottery class every 5 weeks. Ernesto and Kamala met at the art building for class this week. How many weeks will it be before they see each other again? - PowerPoint PPT Presentation

Transcript of Wednes day , Jan 8

Tuesday, Oct 30

Wednesday, Jan 8Chapter 1 and 2

ReviewChapter 1 and 2 ReviewErnesto has painting class every 2 weeks. Kamala has pottery class every 5 weeks. Ernesto and Kamala met at the art building for class this week. How many weeks will it be before they see each other again?

(Do this on your own)Chapter 1 and 2 ReviewErnesto has painting class every 2 weeks. Kamala has pottery class every 5 weeks. Ernesto and Kamala met at the art building for class this week. How many weeks will it be before they see each other again?

What we looking for is called what? Chapter 1 and 2 ReviewErnesto has painting class every 2 weeks. Kamala has pottery class every 5 weeks. Ernesto and Kamala met at the art building for class this week. How many weeks will it be before they see each other again?

2; 2, 4, 6, 8, 10, 12, 14.5; 5, 10, 15, 20.

They will see each other again in 10 weeks.

Chapter 1 and 2 ReviewA ratio (sometimes written as a fraction) is a comparison of two quantities by division.

Chapter 1 and 2 ReviewMike has 12 action, 15 comedy and 9 drama DVDs. Find the ratio of action DVDs to the total number of DVDs.

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Chapter 1 and 2 ReviewMike has 12 action, 15 comedy and 9 drama DVDs. Find the ratio of action DVDs to the total number of DVDs.

12: 36Remember- it must be in simplest form12: 36 = 1: 3Chapter 1 and 2 ReviewA rate is a ratio comparing quantities of different kinds of units.

Chapter 1 and 2 ReviewSamantha picked 45 oranges in 5 minutes. How many oranges did she pick per minute?

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Chapter 1 and 2 ReviewSamantha picked 45 oranges in 5 minutes. How many oranges did she pick per minute?

45 oranges 5 9 oranges 5 minute 5 = 1 minute

This called what?

Chapter 1 and 2 ReviewA unit rate is a rate with a denominator of 1 when the rate is written as a fraction. To determine the unit rate, divide the fraction by the number in the denominator.

Chapter 1 and 2 ReviewFour potted plants cost $24. What is the price per plant (unit price)?

Do this on your own. Chapter 1 and 2 ReviewFour potted plants cost $24. What is the price per plant (unit price)?24 dollars 4 6 dollars 4 plants 4 = 1 plant

6 dollars per plant.

Reminder when they ask something per whatever, that whatever unit needs to be in the denominator.

Chapter 1 and 2 ReviewA ratio table is a table which contains equivalent ratios.

Chapter 1 and 2 ReviewBelow is an incomplete ratio table . Complete the ratio table with equivalent ratios.

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Remember we can only multiply and divide to get from one ratio to another!

126164Chapter 1 and 2 ReviewBelow is an incomplete ratio table . Complete the ratio table with equivalent ratios.

How did we go from 12 to 6?126164Chapter 1 and 2 ReviewBelow is an incomplete ratio table . Complete the ratio table with equivalent ratios.

How did we go from 12 to 6? 2126164Chapter 1 and 2 ReviewBelow is an incomplete ratio table . Complete the ratio table with equivalent ratios.

What is 16 2?126164Chapter 1 and 2 ReviewBelow is an incomplete ratio table . Complete the ratio table with equivalent ratios.

What is 16 2? 81261684Chapter 1 and 2 ReviewBelow is an incomplete ratio table . Complete the ratio table with equivalent ratios.

How did we go from 16 to 4?

1261684Chapter 1 and 2 ReviewBelow is an incomplete ratio table . Complete the ratio table with equivalent ratios.

How did we go from 16 to 4? 4

1261684Chapter 1 and 2 ReviewBelow is an incomplete ratio table . Complete the ratio table with equivalent ratios.

What is 12 4?

1261684Chapter 1 and 2 ReviewBelow is an incomplete ratio table . Complete the ratio table with equivalent ratios.

What is 12 4? 3

126 31684Chapter 1 and 2 ReviewMr. Adams bought 9 lbs of grass seed for $6. How much would he pay for 15 lbs of grass seed?

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Chapter 1 and 2 ReviewMr. Adams bought 9 lbs of grass seed for $6. How much would he pay for 15 lbs of grass seed?

9lbs 15 lbs $6 = $x

6 x 15 = 90 9 = $10

Chapter 1 and 2 ReviewWhat is one fifth of 120?

Do this on your own. Chapter 1 and 2 ReviewWhat is one fifth of 120?

24

TI -30 Shortcut

1, A b/c , 5, x , 120, =

To find the fraction or percent of a number, multiply that number by the fraction or percent. Chapter 1 and 2 Review Find 54% of 132.

Do this on your own.Chapter 1 and 2 Review Find 54% of 132.

71.28

TI -30 Shortcut

54, 2nd, %, 132, =Chapter 1 and 2 ReviewWrite 15.5% as a fraction.

Do this on your own.Chapter 1 and 2 ReviewWrite 15.5% as a fraction.

31200

TI -30 Shortcut

15.5, 2nd, %, 2nd, F D, =Chapter 1 and 2 ReviewWrite 15.5% as a decimal.

Do this on your own.Chapter 1 and 2 ReviewWrite 15.5% as a decimal.

0.155

TI -30 Shortcut

15.5, 2nd, %, =Chapter 1 and 2 Review 5Write 8 as a percent.

Do this on your own.Chapter 1 and 2 Review 5Write 8 as a percent.

62.5%

TI -30 Shortcut

5, A b/c , 8, 2nd , F D, =, times, 100, = or5 8 x 100Chapter 1 and 2 Review 1Write 58 as a decimal.

Do this on your own.Chapter 1 and 2 Review 1Write 58 as a decimal.

5.125

TI -30 Shortcut

5, A b/c , 1, A b/c, 8, 2nd , F D, = orRemember the whole number in the fraction will be the same as the whole number in the decimal (which is 5).

1 8 = .125 5.125Chapter 1 and 2 Review Write 0.005 as a fraction.

Do this on your own.Chapter 1 and 2 Review Write 0.005 as a fraction.

1200

TI -30 Shortcut .005, 2nd, F D, =

Chapter 1 and 2 Review Write 555% as a decimal.

Do this on your own.Chapter 1 and 2 Review Write 555% as a decimal.

5.55

TI -30 Shortcut 555, 2nd, % , =

Chapter 1 and 2 ReviewWhat is the difference between a ratio and rate?

Chapter 1 and 2 ReviewWhat is the difference between a ratio and rate?

A rate is a ration with separate units.

Chapter 1 and 2 ReviewWhat is the difference between a rate and unit rate?

Chapter 1 and 2 ReviewWhat is the difference between a rate and unit rate?

A unit rate has a denominator of 1 unit.

Chapter 1 and 2 ReviewA ratio table is made up of __________ ratios.

Chapter 1 and 2 ReviewAgenda Notes

Homework Chapter 1 and 2 ReviewDue Thursday, Jan 9

Semester Exam Monday, Jan 13