Add a word problem example to the powerpoint, finish notes handout for students. Fix powerpoint, add answers to the problem on factor label worksheet

Add a word problem example to the Add a word problem example to the powerpoint, finish notes handout for students.powerpoint, finish notes handout for students.

Fix powerpoint, add answers to the problem on Fix powerpoint, add answers to the problem on factor label worksheet 1 that come up factor label worksheet 1 that come up automatically step by step in powerpoint. automatically step by step in powerpoint. Would be useful in quickly reviewing Would be useful in quickly reviewing worksheet.worksheet.

Add arrows to teaching kids how to do this!Add arrows to teaching kids how to do this!

Team Conversions Team Conversions 1.1. You walk 350 yards to class. How many You walk 350 yards to class. How many

inches is this?inches is this?

2.2. You wait 3 weeks for the new Glamour You wait 3 weeks for the new Glamour magazine to come in the mail. How many magazine to come in the mail. How many hours is this?hours is this?

3.3. You wait 42 minutes for class to end. How You wait 42 minutes for class to end. How many years is this?many years is this?

4.4. You’re on a plane traveling at 450 mph. How You’re on a plane traveling at 450 mph. How many feet per second are you traveling?many feet per second are you traveling?

5.5. Try number 1 on page 4 of your packet.Try number 1 on page 4 of your packet.

Today you are going to…Today you are going to…

turn in sturn in s

So you can…So you can…

betterbetter

You’ll know you’ve got it when youYou’ll know you’ve got it when you

can answer thecan answer the

Pass in labs!Pass in labs!

Density Quiz Review!!!Density Quiz Review!!!

Density Quiz Review!!!Density Quiz Review!!!

Bell Work 10/6/14 – 4 minutesBell Work 10/6/14 – 4 minutes

1.1. Take out your conversion sheet. (kevin Take out your conversion sheet. (kevin hates dating)hates dating)

2.2. You’re paying for gas. What does You’re paying for gas. What does $3.50/gal mean? Does it change $3.50/gal mean? Does it change depending on how much gas you buy?depending on how much gas you buy?

3.3. W3SAYWoSW3SAYWoS

Schedule Schedule MondayMonday– Turn in Density Lab!Turn in Density Lab!

– Factor Label MethodFactor Label Method

– HW: Factor Label ProblemsHW: Factor Label Problems

TuesdayTuesday– Factor Label MethodFactor Label Method

Wednesday Wednesday – Review Factor Label MethodReview Factor Label Method

ThursdayThursday– Review for testReview for test

FridayFriday– Test on Metrics, Measurement, Sig Figs, and Density

Objectives!Objectives!

Learn the factor label method!Learn the factor label method!– Why does it work (2 reasons).*Why does it work (2 reasons).*– Be able to use it to convert units on top.Be able to use it to convert units on top.– Be able to use it to convert units on bottom.Be able to use it to convert units on bottom.– Be able to use it to convert units on top and Be able to use it to convert units on top and

bottom.bottom.

Factor Label MethodFactor Label Method

What is it?What is it?– It’s a very useful method of solving problems It’s a very useful method of solving problems

and converting units.and converting units.

Units are Units are extremely important extremely important in this in this method.method.

Why does the Factor Label Why does the Factor Label Method work? Method work?

2 principals2 principals1.1. Anything divided by itself is 1Anything divided by itself is 1

2.2. Anything multiplied by one is the same valueAnything multiplied by one is the same value

1. Anything divided by itself is 11. Anything divided by itself is 1

In the situation below, x = 5 and y = 5In the situation below, x = 5 and y = 5

x x = = Why?Why?

yy

Can we then say that x = y because they’re the Can we then say that x = y because they’re the same thing? (5)same thing? (5)

1 foot1 foot 12 inches12 inches

1 foot = 12 inches because they’re the same 1 foot = 12 inches because they’re the same thing! It’s just a different way of saying the thing! It’s just a different way of saying the exact same length.exact same length.

1. Anything divided by itself is 11. Anything divided by itself is 1

So, if 1 foot = 12 inches and anything divided by So, if 1 foot = 12 inches and anything divided by itself is 1, thanitself is 1, than

1 foot 1 foot ==

12 inches12 inches

2. If you multiply something by 2. If you multiply something by 1, the answer is the same1, the answer is the same

(8) (1) =(8) (1) =

10 (8/8) = 10 (8/8) =

X (5/5) = X (5/5) =

10 (x/x) = 10 (x/x) =

In the situation below, x = 5 and y = 5. We therefore In the situation below, x = 5 and y = 5. We therefore said:said:

x x = = 88

yy

We’ve also established that 1 foot = 12 inches. We’ve also established that 1 foot = 12 inches. Therefore…Therefore…

2. If you multiply something by 2. If you multiply something by 1, the answer is the same1, the answer is the same

In the situation below, 1 foot = 12 inches. We In the situation below, 1 foot = 12 inches. We therefore said:therefore said:

1 foot = 12 inches1 foot = 12 inches

Therefore Therefore

The key here is UNITS!The key here is UNITS!

Let’s try this with 2 ft. (next slide)Let’s try this with 2 ft. (next slide)

2.00 ft 1

12 in 1 ft

X = 24.0 in

24.0 in

12 in is EXACTLY 1 foot, so infinite number of sig figson those 2 numbers

2.00 ft = ? in

Tips for Basic Factor Label Tips for Basic Factor Label

1.1. Write the given over 1.Write the given over 1.

2.2. Write “x -----------”Write “x -----------”

3.3. Write the old units on the opposite side Write the old units on the opposite side (top or bottom) so they cancel.(top or bottom) so they cancel.

4.4. Write the new units on the other side.Write the new units on the other side.

5.5. Cross out the old units. Cross out the old units.

6.6. When you’ve reached the units you want, When you’ve reached the units you want, multiply the top, then divide the bottom.multiply the top, then divide the bottom.

1 ft = 12 in1 ft = 12 in 1 yd = 3 ft1 yd = 3 ft 1 mi = 5,280 ft1 mi = 5,280 ft

1.1. 3 ft = ? in3 ft = ? in

2.2. 8 in = ? ft8 in = ? ft

3.3. 5.5 yds = ? in5.5 yds = ? in

4.4. 2 mi = ? ft2 mi = ? ft

5.5. 45,000 in/s = ? mi/s45,000 in/s = ? mi/s

Bell Work 10/7/14 – 5 minutesBell Work 10/7/14 – 5 minutesTake your hw out and place it upside-down on your desk.Take your hw out and place it upside-down on your desk.

1.1. The moon is 250,000 miles away. How many feet is it from The moon is 250,000 miles away. How many feet is it from Earth?Earth?

2.2. It takes 272,940 s for a manned mission to get to the moon. It takes 272,940 s for a manned mission to get to the moon. How many days did it take?? (figure out how many days, How many days did it take?? (figure out how many days, hours, and minutes if you can.)hours, and minutes if you can.)

Steps to Factor Label Method Word Steps to Factor Label Method Word ProblemsProblems

1.1. Write given information AND what you’re Write given information AND what you’re looking forlooking for

2.2. Look at/find conversion factorsLook at/find conversion factors

3.3. Make planMake plan

4.4. Setup problem, making sure to cross out units Setup problem, making sure to cross out units

5.5. Solve problem Solve problem (can multiply and divide in any order)(can multiply and divide in any order)

6.6. Round your answerRound your answer

7.7. Double check your answer and setupDouble check your answer and setup

Tips for Word ProblemsTips for Word Problems

18 mph18 mph

$20 per student$20 per student

8.8. A car consumes 25.00 gallons of fuel when driving a A car consumes 25.00 gallons of fuel when driving a distance of 4.00 km. How many gallons will it consume distance of 4.00 km. How many gallons will it consume when driving 250.0 miles?when driving 250.0 miles?

25.00 gal = 400.0 km25.00 gal = 400.0 km 250.0 mi = ? gal250.0 mi = ? gal

250.0 mi1

0.6214 mi1 km

25.00 gal400.0 km

XX = 9.6875

9.688 gallons

Bell Work 10/10/13 – 5 minutesBell Work 10/10/13 – 5 minutesTake your hw out and place it upside-down on your desk.Take your hw out and place it upside-down on your desk.

1.1. The moon is 250,000 miles away. How many feet is it from The moon is 250,000 miles away. How many feet is it from Earth?Earth?

2.2. It takes 4,549 minutes for a manned mission to get to the It takes 4,549 minutes for a manned mission to get to the moon. How many days did it take?? (figure out how many moon. How many days did it take?? (figure out how many days, hours, and minutes if you can.)days, hours, and minutes if you can.)

Bell Work 10/11/13 – 5 minBell Work 10/11/13 – 5 minTake your hw out and place it upside-down on your desk.Take your hw out and place it upside-down on your desk.

1.1. 3.0 yd/hr = ? in/hr3.0 yd/hr = ? in/hr

2.2. 60.0 ft/s = ? ft/hr60.0 ft/s = ? ft/hr

3.3. According to recent accurate measurements, the top speed of According to recent accurate measurements, the top speed of a Cheetah running in grass is 59 mi/hr. How many feet per a Cheetah running in grass is 59 mi/hr. How many feet per second is this?second is this?

Bell Work 10/11/13 – 5 minBell Work 10/11/13 – 5 minTake your hw out and place it upside-down on your desk.Take your hw out and place it upside-down on your desk.

1.1. 55.0 m/s = ? km/hr55.0 m/s = ? km/hr

2.2. According to recent accurate measurements, the top speed of According to recent accurate measurements, the top speed of a Cheetah running in grass is 26.4 m/s. How many miles per a Cheetah running in grass is 26.4 m/s. How many miles per hour is this?hour is this?


review hwreview hw

take notes on bottom & both factor labeltake notes on bottom & both factor label

make a conversion!make a conversion!

work on some problemswork on some problems


convert units and do stoichiometry in chem classconvert units and do stoichiometry in chem class


can answer the questions on the homeworkcan answer the questions on the homework


take the quiztake the quiz

make a couple conversions (use arrow method)make a couple conversions (use arrow method)

do practice story problemsdo practice story problems

see a cool fruit video?see a cool fruit video?

whacky Wednesday video?whacky Wednesday video?





Conversions!Conversions!Look at your conversion sheet.

_____ yd = 1 m (0.9144 = 1 yd)

1 mi = _____ km (1 km = 0.6214 mi)

1 gallon = _____ mL

Bell Work 10/18/13Bell Work 10/18/13Put your homework upside-down on the top of your desk.Put your homework upside-down on the top of your desk.

1.1. According to recent accurate measurements, the top speed of According to recent accurate measurements, the top speed of a Cheetah running in grass is 26.4 m/s. How many miles per a Cheetah running in grass is 26.4 m/s. How many miles per hour is this?hour is this?

Still owe me labs!Still owe me labs!

Progress reports!Progress reports!

Bell Work 10/21/13Bell Work 10/21/13Put your homework upside-down on the top of your desk.Put your homework upside-down on the top of your desk.

1.1. The average American drives 36 miles each day. At that rate, The average American drives 36 miles each day. At that rate, how far would someone drive in 55 years?how far would someone drive in 55 years?

Still owe me labs!Still owe me labs!

Progress reports!Progress reports!

FridayFriday

Check & review study guideCheck & review study guide

MondayMonday

ReviewReview

TuesdayTuesday

TestTest

WednesdayWednesday

Kinetic Theory of Matter!Kinetic Theory of Matter!

Elizabeth’s hair grows at rate of 0.5 inches per month. If she shaved her head, then went 77 years without cutting her hair, how many feet long would it be? *Hint: Start with 77 years!

Bell Work 10/21/13 – 4 minutesBell Work 10/21/13 – 4 minutes

1. Define & give SI unit for mass.

2. Define & give SI unit for volume.

3. Define & give SI unit for density.

4. Aluminum has a density of about 2.7 g/cm3. Explain what that means.

Review Test Questions!Review Test Questions!

As of 2013, gold costs about 1,319 dollars per As of 2013, gold costs about 1,319 dollars per ounce. A gold bar has a mass of 11,340 g. ounce. A gold bar has a mass of 11,340 g. How much is a gold bar worth?How much is a gold bar worth?

Fruit video Someone took 1 picture every 40 minutes. (a) If they did Someone took 1 picture every 40 minutes. (a) If they did

this for 74 days, how many pictures would they take?this for 74 days, how many pictures would they take?

(b) If they then showed the pictures at 30 pictures per (b) If they then showed the pictures at 30 pictures per second, how many minutes long would the video be? second, how many minutes long would the video be?

http://www.youtube.com/watch?v=c0En-_BVbGc


review hwreview hw

take notes on bottom & both factor labeltake notes on bottom & both factor label

make a conversion!make a conversion!

work on some problemswork on some problems





Factor Label with units on bottom.Factor Label with units on bottom.Conversion Factors:Conversion Factors:

6.0 ft/min = ? ft/hr6.0 ft/min = ? ft/hr

65.0 mi/hr = ? mi/s65.0 mi/hr = ? mi/s

1.0 m/s = ? km/hr1.0 m/s = ? km/hr

1 ft = 12 in1 ft = 12 in 1 yd = 3 ft1 yd = 3 ft 1 mi = 5,280 ft1 mi = 5,280 ft

365 days = 1 year365 days = 1 year

1.1. 86 mi/s = ? mi/min86 mi/s = ? mi/min

2.2. 17 yd/s = ? yd/hr17 yd/s = ? yd/hr

3.3. 1.5 mi/day = ? in/hr 1.5 mi/day = ? in/hr

1 ft = 12 in1 ft = 12 in 1 yd = 3 ft1 yd = 3 ft 1 mi = 5,280 ft1 mi = 5,280 ft365 days = 1 year365 days = 1 year

1.1. 25 ft = ? in25 ft = ? in

2.2. 12 years = ? hrs12 years = ? hrs

3.3. 86.0 m/s = ? m/min86.0 m/s = ? m/min

4.4. 17 ft/s = ? yd/min17 ft/s = ? yd/min

5.5. 1.500 mi/hr = ? in/s 1.500 mi/hr = ? in/s

1 ft = 12 in1 ft = 12 in 1 yd = 3 ft1 yd = 3 ft 1 mi = 5,280 ft1 mi = 5,280 ft365 days = 1 year365 days = 1 year 1 km = 1000 m1 km = 1000 m

1.1. 64 ft = ? In64 ft = ? In

2. 7.50 mi/hr = ? mi/min2. 7.50 mi/hr = ? mi/min

3.3. 46.00 m/s = ? km/hr46.00 m/s = ? km/hr

34 ft 1 s

1 yd 3 ft

60 s 1 min

XX = 340

680 yd/min

34 ft/s = ? yd/min

25 ft 1

12 in 1 ft

X = 300 300 in

1. 25 ft = ? in

12 yrs 1

365 days 1 yr

24 hrs 1 day

XX = 105,120

105, 120 hrs

2. 12 years = ? hrs

86 m 1 s

60 s 1 min

X = 5,160

5,160 years

3. 86 m/s = ? m/min

17 ft 1 s

1 yd 3 ft

60 s 1 min

XX = 340

340 yd/min

4. 17 ft/s = ? yd/min

1.5 mi 1 hr

5,280 ft 1 mi

1 hr 60 min

XX

= 26.4

26.4 in/s

1 min 60 s

X

5. 1.5 mi/hr = ? in/sec

12 in 1 ft

X

1.1. 3 ft/s = ft/min3 ft/s = ft/min

2.2. 5.0 ft/min = ? ft/s5.0 ft/min = ? ft/s

3.3. 32 ft/s = ? ft/hr32 ft/s = ? ft/hr

4.4. 45 in/min = ? in/day45 in/min = ? in/day

5.5. 7.0 ft/s = ? in/min7.0 ft/s = ? in/min

Bell Work 10/5Bell Work 10/51.1. Sam measures the mass of a metal ball on a balance and it reads 50.56 g. She drops the metal Sam measures the mass of a metal ball on a balance and it reads 50.56 g. She drops the metal

ball into a graduated cylinder and the water level goes from 25.5 mL to 28.8 mL. What would the ball into a graduated cylinder and the water level goes from 25.5 mL to 28.8 mL. What would the volume of a of 5.5 kg ball of the same metal be? volume of a of 5.5 kg ball of the same metal be?

2.2. Convert 1.20 tons to kilograms using the factor label method. Show all of your work, and state Convert 1.20 tons to kilograms using the factor label method. Show all of your work, and state your answer with the correct number of significant digits.your answer with the correct number of significant digits.

3.3. What is a difference between the measurements “pounds” and “kilograms” that people often forget What is a difference between the measurements “pounds” and “kilograms” that people often forget about?about?

4.4. Light speed is 300,000,000 m/s. What is this in mi/hr?Light speed is 300,000,000 m/s. What is this in mi/hr?

5.5. Jared’s pencil has a density of 0.75 g/cmJared’s pencil has a density of 0.75 g/cm33 and a mass of 5.5 g. What is it’s volume? and a mass of 5.5 g. What is it’s volume?

6.6. 450,000,000 s = ? years450,000,000 s = ? years

7.7. 550 mi/hr = ? ft/s550 mi/hr = ? ft/s

8.8. The moon is 250,000 miles away. How many feet is it from Earth?The moon is 250,000 miles away. How many feet is it from Earth?

9.9. It takes 4,549 minutes for a manned mission to get to the moon (which is 250,000 miles away). It takes 4,549 minutes for a manned mission to get to the moon (which is 250,000 miles away). How many days was this?How many days was this?

10.10. It takes 272,940 seconds for a manned mission to get to the moon (which is 250,000 miles away). It takes 272,940 seconds for a manned mission to get to the moon (which is 250,000 miles away). How many days was this?How many days was this?

11.11. A car consumes 25.00 gallons of fuel when driving a distance of 4.00 km. How many gallons will A car consumes 25.00 gallons of fuel when driving a distance of 4.00 km. How many gallons will it consume when driving 250.0 miles?it consume when driving 250.0 miles?

12.12. Convert this to days, hours, minutes! 3 days, 3 hours, 49 minutesConvert this to days, hours, minutes! 3 days, 3 hours, 49 minutes

You want to make 300. mL of 3 molar NaOH solution. (Three You want to make 300. mL of 3 molar NaOH solution. (Three molar means there are 3 moles of solute in 1 liter.) If there are molar means there are 3 moles of solute in 1 liter.) If there are 39.94 g of NaOH in one mole, how many grams of NaOH do 39.94 g of NaOH in one mole, how many grams of NaOH do you need?you need?

Proof of the Factor Label Method’s FlexibilityProof of the Factor Label Method’s Flexibility

1.1. Lead has a density of 11.34 g/ cmLead has a density of 11.34 g/ cm33. What would the . What would the volume of 4.0 grams of lead be?volume of 4.0 grams of lead be?

2.2. Gold has a density of 19.32 g/ cmGold has a density of 19.32 g/ cm33. How much mass . How much mass would 8.50 cmwould 8.50 cm33 of lead have? of lead have?

3.3. A car is driving at 45.0 mi/hr. How many hours will it A car is driving at 45.0 mi/hr. How many hours will it take to drive 105 mi?take to drive 105 mi?

7. Determine the number of years in 8.35 x 107. Determine the number of years in 8.35 x 1066 minutes. minutes.

60 min = 1 hour60 min = 1 hour 1 day = 24 hours1 day = 24 hours 1 year = 365 days 1 year = 365 days

OR 1 year = 525,600 minutesOR 1 year = 525,600 minutes

8.35 x 106 min1

1 hr 60 min

1 day 24 hour

XX

= 15.8

15.8 years

1 year 365 days

X

STOPSTOP

7. Saffron costs 368.00 dollars per ounce. Determine how 7. Saffron costs 368.00 dollars per ounce. Determine how many grams you can purchase for 15.00 dollars.many grams you can purchase for 15.00 dollars.

$368 = 1 oz$368 = 1 oz 1 oz = 28.35 g1 oz = 28.35 g

250.0 mi1

0.6214 mi1 km

25.00 gal400.0 km

XX = 9.6875

9.688 gallons

8.8. A car consumes 25.00 gallons of fuel when driving a A car consumes 25.00 gallons of fuel when driving a distance of 4.00 km. How many gallons will it consume distance of 4.00 km. How many gallons will it consume when driving 250.0 miles?when driving 250.0 miles?

25.00 gal = 400.0 km25.00 gal = 400.0 km 250.0 mi = ? gal250.0 mi = ? gal

250.0 mi1

0.6214 mi1 km

25.00 gal400.0 km

XX = 9.6875

9.688 gallons

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Add a word problem example to the powerpoint, finish notes handout for students. Fix powerpoint, add answers to the problem on factor label worksheet