Tuesday, Oct 30

5 Minute CheckSimplify by dividing by the GCF. Complete in your notebook. 61. 16

452. 63

903. 120

64. 245 Minute CheckSimplify by dividing by the GCF. Complete in your notebook. 6 6 2 31. 1616 2 = 8

452. 63

903. 120

64. 245 Minute CheckSimplify dividing by the GCF. Complete in your notebook. 6 6 2 31. 1616 2 = 8

45 45 9 52. 63 63 9 = 7

90 3. 120

64. 245 Minute CheckSimplify dividing by the GCF. Complete in your notebook. 6 6 2 31. 1616 2 = 8

45 45 9 52. 63 63 9 = 7

90 90 30 33. 120 120 30 = 4

64. 245 Minute CheckSimplify dividing by the GCF. Complete in your notebook. 6 6 2 31. 1616 2 = 8

45 45 9 52. 63 63 9 = 7

90 90 30 33. 120 120 30 = 4

6 6 6 14. 24 24 6 = 4Monday, Sept 9Lesson 1.3

Unit Rates

Unit Rates

Unit RatesIs 40 miles in 4 hours a ratio?

Unit RatesIs 40 miles in 4 hours a ratio?

Yes, it compares two quantities.

Unit RatesHow can you write 40 miles in 4 hours as a ratio?

Unit RatesHow can you write 40 miles in 4 hours as a ratio?

40 miles4 hours

40 miles: 4 hours

40 miles in 4 hours

Unit Rates 40 miles How is 4 hours different from a ratio such 2as 5 ?

Unit Rates 40 miles How is 4 hours different from a ratio such 2as 5 ?

40 miles 4 hours compares two different types of units.

Unit RatesWhat does 40 miles in 4 hours mean?

Unit RatesWhat does 40 miles in 4 hours mean?

It means you will travel 40 miles every 4 hours.

Unit RatesExample s

15 dollars 40 miles 120 students 3 pounds 4 hours 3 busesA rate is a ratio (fraction) comparing quantities of different kinds of units.Unit RatesExamples-

5 dollars 10 miles 40 students 1 pound 1 hour 1 bus

A 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. Unit RatesSamantha picked 45 oranges in 5 minutes. How many oranges did she pick per minute (unit rate). How to find a unit rate.Step 1 Find the rate (fraction).

Unit RatesSamantha picked 45 oranges in 5 minutes. How many oranges did she pick per minute (unit rate).

Step 1 Find the rate (fraction). 45 oranges 5 minutes

Write this down

Unit RatesSamantha picked 45 oranges in 5 minutes. How many oranges did she pick per minute (unit rate).

Step 2 Divide the fraction by the number in the denominator. 45 oranges 5 minutes

Unit RatesSamantha picked 45 oranges in 5 minutes. How many oranges did she pick per minute (unit rate).

Step 2 Divide the fraction by the number in the denominator. 45 oranges 5 5 minutes 5 =

Unit RatesSamantha picked 45 oranges in 5 minutes. How many oranges did she pick per minute (unit rate).

Step 2 Divide the fraction by the number in the denominator. 45 oranges 5 9 oranges 5 minutes 5 = 1 minute

Samantha picked 9 oranges per minute.

Unit RatesFour potted plants cost $24. What is the price per plant (unit price)?

Step 1?

Unit RatesFour potted plants cost $24. What is the price per plant (unit price)?

Step 1?24 dollars 4 plants

How do we know to put the plant unit in the denominator?

Unit RatesFour potted plants cost $24. What is the price per plant (unit price)?

Step 1?24 dollars 4 plants

Because we are looking for the price per plant.

Unit RatesFour potted plants cost $24. What is the price per plant (unit price)?

Step 2?24 dollars 4 plants

Unit RatesFour potted plants cost $24. What is the price per plant (unit price)?

24 dollars 4 4 plants 4 =

Unit RatesFour 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.

Unit RatesDavid earned $28 last night working 4 hours. How much did he earn per hour?

What is the rate (fraction)?

Unit RatesDavid earned $28 last night working 4 hours. How much did he earn per hour?

28 dollars 4 hours

Complete the question. Unit RatesDavid earned $28 last night working 4 hours. How much did he earn per hour?

28 dollars 4 7 dollars 4 hours 4 = 1 hours

David earned 7 dollars per hour.

Unit RatesYou walked 15 miles in 2 hours last night. How many miles per hour did you walk?

What is the rate (fraction)?Unit RatesYou walked 15 miles in 2 hours last night. How many miles per hour did you walk?

15 miles 2 hours

Complete the question.

Unit RatesYou walked 15 miles in 2 hours last night. How many miles per hour did you walk?

15 miles 2 7.5 miles 2 hours 2 = 1 hours

You walked 7.5 miles per hour.

Unit RatesTom sold 12 books for $9. How much did he make per book?

What is the rate (fraction)?

Unit RatesTom sold 12 books for $9. How much did he make per book?

9 dollars 12 books

Complete the question.

Unit RatesTom sold 12 books for $9. How much did he make per book?

9 dollars 12 .75 dollar 12 books 12 = 1 book

He made .75 dollars per book,

75 cents per book.

Unit RatesThe Australian dragonfly can travel 18 miles in 30 minutes. How far can it travel in 1 minute?

What is the rate (fraction)?

Unit RatesThe Australian dragonfly can travel 18 miles in 30 minutes. How far can it travel in 1 minute?

18 miles 30 minutes

Complete the question. Use a calculator if needed.

Unit RatesThe Australian dragonfly can travel 18 miles in 30 minutes. How far can it travel in 1 minute?

18 30 miles 0.6 miles 1 minute = 1 minute =

0.6 miles per minute

Unit RatesThe Australian dragonfly can travel 18 miles in 30 minutes. How far can it travel in 1 minute?

18 30 miles 18

1 minute = 30 miles per minute =

35 miles per minute

Unit RatesAnna downloaded 35 songs in 5 minutes. How many songs does she download per minute?

(Do this on your own)

Unit RatesAnna downloaded 35 songs in 5 minutes. How many songs does she download per minute?

35 songs 5 7 songs5 minutes 5 = 1 minute

How many songs can she download in 8 minutes?Unit RatesAnna downloaded 35 songs in 5 minutes. How many songs does she download per minute?

How many songs can she download in 8 minutes?

7 songs 8 minutes 56 songs1 minute X = Unit RatesMolly shot 20 baskets in 4 minutes. Nino shot 42 baskets in 6 minutes. Who shot the most baskets per minute?

(Do this on your own)

Unit RatesMolly shot 20 baskets in 4 minutes. Nino shot 42 baskets in 6 minutes. Who shot the most baskets per minute?

MollyNino

20 baskets 442 baskets 64 minutes 46 minutes 6

5 baskets7 baskets 1 minute1 minute

5 baskets per minute7 baskets per minute

Unit RatesMarcella divided 40.8 gallons of paint among 8 containers. How much paint is in each container? Use a calculator if needed.

(Do this on your own)

Unit RatesMarcella divided 40.8 gallons of paint among 8 containers. How much paint is in each container? Use a calculator if needed.

40.8 gallons 8 5.1 gallons8 containers 8 = 1 container

5.1 gallons per container

Unit RatesThe results of a car race is shown. Determine who drove the fastest lap. Use calculator if needed.

(Do this on your own)

Unit RatesThe results of a car race is shown. Determine who drove the fastest lap. Use calculator if needed.

84 minutes 35Cutwright 35 laps 35 = 2.4 minutes per lap 96.6 minutes 42Evans 42 laps 42 = 2.3 minutes per lap 102.6 minutes 38Loza 38 laps 38 = 2.7 minutes per lap

Unit RateAgenda NotesHomework Lesson 1-3 Homework PracticeDue Tuesday, Sept 10

Mid-Chapter Quiz on Thursday, Sept 12Please Review Mid-Chapter Check on Page 58