Tuesday, Oct 30

5 Minute CheckUse rainbow factors, factor trees or multiples lists method to find the following.GCF1. 45, 752. 123, 2053. 459, 378LCM4. 12, 155 Minute CheckUse rainbow factors, factor trees or multiples lists method to find the following.GCF1. 45, 75

5 Minute CheckUse rainbow factors, factor trees or multiples lists method to find the following.GCF1. 45, 75

45: 1, 3, 5, 9, 15, 4575: 1, 3, 5, 15, 25, 75GCF = 3 x 5 = 15 45 75 / \ / \15 3 25 / \ / \ 3 5 5 55 Minute CheckUse rainbow factors, factor trees or multiples lists method to find the following.GCF2. 123, 2055 Minute CheckUse rainbow factors, factor trees or multiples lists method to find the following.GCF2. 123, 205

123: 1, 3, 41, 123205, 1, 5, 41, 205

GCF = 41

123 205 / \ / \ 3 41 5 41 5 Minute CheckUse rainbow factors, factor trees or multiples lists method to find the following.GCF3. 459, 3785 Minute CheckUse rainbow factors, factor trees or multiples lists method to find the following.GCF3. 459, 378

GCF = 3 x 3 x 3 = 27

459 378 / \ / \3 153 2 189 / \ / \ 3 51 3 63 / \ / \ 3 17 3 21 / \ 3 75 Minute CheckUse rainbow factors, factor trees or multiples lists method to find the following.LCM4. 12, 155 Minute CheckUse rainbow factors, factor trees or multiples lists method to find the following.LCM4. 12, 15

12: 12, 24, 36, 48, 60, 72, 84..15: 15, 30, 45, 60, 75.

Or, 5 Minute CheckUse rainbow factors, factor trees or multiples lists method to find the following.LCM4. 12, 15 12 15 / \ / \ 2 6 3 5 / \ 2 3 5 Minute CheckUse rainbow factors, factor trees or multiples lists method to find the following.LCM4. 12, 15

LCM = 2 x 2 x 3 x 5 = 60

Friday, Dec 5Chapter 6.1

ReviewChapter 6.1 Review1. The ratio of cats to dogs seen by a veterinarian in one day is 2 to 5. If a vet saw 40 dogs in one day, how many cats did he see?

Chapter 6.1 Review1. The ratio of cats to dogs seen by a veterinarian in one day is 2 to 5. If a vet saw 40 dogs in one day, how many cats did he see?Method 12cats x cats5 dogs = 40 dogs 2 x 40 5 = 16 cats

Chapter 6.1 Review1. The ratio of cats to dogs seen by a veterinarian in one day is 2 to 5. If a vet saw 40 dogs in one day, how many cats did he see?Method 25 dogs 2.5 dogs2 cats = 1 cat

40 2.5 = 16 cats

Chapter 6.1 Review2. At a sports camp, there is one counselor for every 12 campers. If there are 156 campers attending the camp, which equivalent ratios could be used to find the number of counselors?

Chapter 6.1 Review2. At a sports camp, there is one counselor for every 12 campers. If there are 156 campers attending the camp, which equivalent ratios could be used to find the number of counselors?

1 counselor x counselors 12 campers = 156 campers

1 x 156 12 = 13

Chapter 6.1 Review3. GRIDDED RESPONSE A car jack requires a force of 110 pounds to lift a 2,500-pound car. In simplest form, what is the ratio of the cars weight to the force required to lift the car?

Chapter 6.1 Review3. GRIDDED RESPONSE A car jack requires a force of 110 pounds to lift a 2,500-pound car. In simplest form, what is the ratio of the cars weight to the force required to lift the car?

Cars weight 2,500 lbs 250 Lift 110 lbs = 11

Chapter 6.1 Review4. A baker is making an oversized sheet cake for a school dance. The recipe calls for 2 cups of sugar for every 3 cups of flour. How many cups of flour are needed, if she is using 18 cups of sugar.

Chapter 6.1 Review4. A baker is making an oversized sheet cake for a school dance. The recipe calls for 2 cups of sugar for every 3 cups of flour. How many cups of flour are needed, if she is using 18 cups of sugar.

2 cups sugar 18 cups sugar 3 cups flour = x cups flour 3 x 18 2 = 27 cups flourChapter 6.1 Review5. Which rate gives the best price for scrapbook paper?

Chapter 6.1 Review5. Which rate gives the best price for scrapbook paper?10 sheets 5 sheets $2 = $1

6 sheets 10 sheets $.60 = $1

5 sheets $1

3 sheets 5 sheets $.60 = $1

Chapter 6.1 Review6. Which of the following ratios is equivalent to ?A. B.

C.

D.

Chapter 6.1 Review

Chapter 6.1 Review7. The table shows the cups of whole wheat flour required to make dog biscuits.

How many cups of whole wheat flour are required to make 35 biscuits?

Chapter 6.1 Review7. The table shows the cups of whole wheat flour required to make dog biscuits.

How many cups of whole wheat flour are required to make 35 biscuits?

10 biscuits 35 biscuits2 cups flour = x cups flour 2 x 35 10 = 7 cups

Chapter 6.1 Review8. A school population was predicted to increase by 50 students a year for the next 10 years. If the current population is 700 students, what will be the enrollment after 10 years?

Chapter 6.1 Review8. A school population was predicted to increase by 50 students a year for the next 10 years. If the current population is 700 students, what will be the enrollment after 10 years?

700 students + 50 a year x 10 years = 1200 studentsChapter 6.1 Review8. A school population was predicted to increase by 50 students a year for the next 10 years. If the current population is 700 students, what will be the enrollment after 10 years?700750 year 11000 year 6800 year 21050 year 7850 year 31100 year 8900 year 41150 year 9950 year 51200 year 10Chapter 6.1 Review9. SHORT RESPONSE There are 12 boys and 15 girls in your class. Four new students, 3 boys and 1 girl, join your class. Compare the ratio of boys to girls before and after the new students enrolled. Chapter 6.1 Review9. SHORT RESPONSE There are 12 boys and 15 girls in your class. Four new students, 3 boys and 1 girl, join your class. Compare the ratio of boys to girls before and after the new students enrolled. before Boys12 4Girls15 = 5

afterBoys15Girls16

The ratio did not stay the same because they cannot be simplified to the same ratio.Chapter 6.1 Review10. The table shows the cost of different kinds of fruit.

To the nearest cent, what is the cost of 3.5 pounds of grapes?

Chapter 6.1 Review10. The table shows the cost of different kinds of fruit.

To the nearest cent, what is the cost of 3.5 pounds of grapes?

$1 $ x1 lb = 3.5 lbs 1 x 3.5 1 = $3.50

Chapter 6.1 Review11.GRIDDED RESPONSE Mr. Reinard bought 5 pounds of feed for his chickens for $10. How much did the feed cost per pound in dollars?Chapter 6.1 Review11.GRIDDED RESPONSE Mr. Reinard bought 5 pounds of feed for his chickens for $10. How much did the feed cost per pound in dollars?

$10 $ x 5 lbs feed = 1 lb feed

10 x 1 5 = $2 per lb feedChapter 6.1 Review12. SHORT RESPONSE The length of a track around a football field is mile. How many miles do you walk if you walk 2 times around the track?

Chapter 6.1 Review

Chapter 6.1 Review13. The bar graph below shows the average number of visitors to different websites during one month. How many visitors can website B expect to have in one year?

Chapter 6.1 Review13. The bar graph below shows the average number of visitors to different websites during one month. How many visitors can website B expect to have in one year?

2 million visitors x million visitors 1 month = 12 months

2 x 12 1 = 24 million visitors

Chapter 6.1 Review14. EXTENDED RESPONSE Cesars sixth-grade class sorted books in the library. The class sorted 45 books in 90 minutes.

Part A Write an equivalent ratio to find how long it would take to sort 120 books.

Part B How many hours will it take the class to sort 120 books?

Part C Suppose their rate slowed to 30 books in 90 minutes. How long would it take the class to sort the 120 books? Explain your reasoning.

Chapter 6.1 Review14. EXTENDED RESPONSE Cesars sixth-grade class sorted books in the library. The class sorted 45 books in 90 minutes.

Part A Write an equivalent ratio to find how long it would take to sort 120 books.

45 books 120 books90 minutes = x minutes

90 x 120 45 = 240 minutes

Chapter 6.1 Review14. EXTENDED RESPONSE Cesars sixth-grade class sorted books in the library. The class sorted 45 books in 90 minutes.

Part B How many hours will it take the class to sort 120 books?

Chapter 6.1 Review14. EXTENDED RESPONSE Cesars sixth-grade class sorted books in the library. The class sorted 45 books in 90 minutes.

Part B How many hours will it take the class to sort 120 books?

1 hour x hours60 minutes = 240 minutes

1 x 240 60 = 4 hours

Chapter 6.1 Review14. EXTENDED RESPONSE Cesars sixth-grade class sorted books in the library. The class sorted 45 books in 90 minutes.Part C Suppose their rate slowed to 30 books in 90 minutes. How long would it take the class to sort the 120 books? Explain your reasoning.

Chapter 6.1 Review14. EXTENDED RESPONSE Cesars sixth-grade class sorted books in the library. The class sorted 45 books in 90 minutes.Part C Suppose their rate slowed to 30 books in 90 minutes. How long would it take the class to sort the 120 books? Explain your reasoning.

30 books 120 books90 minutes = x minutes

90 x 120 30 = 360 minutes

Chapter 6.1 Review14. EXTENDED RESPONSE Cesars sixth-grade class sorted books in the library. The class sorted 45 books in 90 minutes.Part C Suppose their rate slowed to 30 books in 90 minutes. How long would it take the class to sort the 120 books? Explain your reasoning.

Reasoning: it would take the class 360 minutes or 6 hours to collect 120 books at the slower rate.

Chapter 6.1 ReviewAgenda Notes

Homework Homework Practice CH 6.1 ReviewDue Monday, December 8

Semester ExamThursday, Dec 18