2. Catalyst 1. How do I feel about my benchmark scores? 2. What could I have done to improve them? 3. Is there anything Mr. Astor can do to help me? End

3. Balancing Equations Quiz Tomorrow You will have 20 minutes to complete the quiz. We will grade it when everyone is completed.

4. World Traveler

5. Mr. Astor: World Traveler

6. Dollars to Rand

7. LECTURE 3.2 – CONVERSION FACTORS

8. Today’s Learning Targets LT 3.3 – I can discuss how to convert between two related units and explain how to complete a multi – step conversion problem involving unrelated units.

9. How do we convert between units?

10. I. Conversion Factors To convert between two different units we use a conversion factor. A conversion factor allows you to convert between units.

11. I. Conversion Factors Units You Want Units You Have Number that you have Number with New Units

12. Conversion Factors Example – Convert $15 to cents 100Cents 1 Dollars 15 Dollars 1500 ¢

13. Table Talk Convert 250 cm to inches (Note – 1 in = 2.54 cm)

14. II. Multi-Step Conversions Often times, we need to take multiple steps to convert between units. We must set up a series of conversion factors so that all unnecessary units cancel one

15. Convert 3 hours to seconds 1 hour 3 hours 10,800 sec 60 min 1 min 60 sec

16. Table Talk How many days are there in 525,000 seconds? (Note – 1 day = 24 h, 1 h = 60 min, and 1 min = 60 s)

17. White Board Races

18. Question 1 Convert 500 minutes into seconds

19. Question 2 You have 5 dozen doughnuts, how many doughnuts do you have (12 doughnuts = 1 dozen)

20. Question 3 You have 14 cups of water, how many gallons of water do you have (1 gallon = 4 quarts; 1 quart = 4 cups)

21. Question 4 You have 32 cups of solution. How many gallons do you have? (1 gallon = 4 quarts; 1 quart = 4 cups)

22. Question 5 How many minutes are there in 1 year?

23. Mr. Astor World Traveler Stations Please follow the instructions on the handout and travel to each station accordingly.

24. USA  South Africa  Zambia Finish the Journey to at least Zambia before the bells rings.

25. Wanna Travel the World? If the whole class finishes the required stations, Mr. Astor will show you the rest of the pictures.

26. a

27. MY STUDY ABROAD SCHOOL: UCT (University of Cape Town)

29. Animals are everywhere!

32. Safety First!

33. Traveling the World is Beautiful!

34. Exit Slip 1.You have 42 dollars. You know the following conversions: £ 1 pound = $1.62 £ 1 pound = € 1.25 Euro How many Euros do you have?

36. Closing Time Homework 3.3 Conversion Factors due Monday/Tuesday