1. Problem
Ms. Knierim wants to have a pizza party for all 5 of her classes, but she wants to know the cost firsts. Figure out how much it would cost with the following information.
1 pizza is $5.00
1 class averages 26 students
8 slices in 1 pizza
1 student gets 2 pieces of pizza

2. Conversions Step 1: Read the problem and identify the “known”
Step 2: Determine “conversion factors” needed
1000 mL = 1 L
2.54 cm = 1 inch

3. Solving Conversion Problems
Step 3: Start with “known”
Step 4: Make sure units cancel by having them on opposite sides of the fraction bar
Step 5: Multiply everything on top of fraction bar
Step 6: Divide by everything on bottom of fraction bar

4. Your Answer for Conversion Problems
Make sure to include units please! If units are forgotten, ½ point off
Make sure there are the correct number of significant digits
Look at the number you started with, how many sig figs does it have?

5. Example 1: Express the weight of a 140 lb Great Dane Dog in kg.
1000 g = 1 kg

6. Example 2: What is the distance of a 5 km race in mm? 1 km = 1000 m
1 m = 1000 mm

7. Example 3: How many meters are in a yard? 100 cm = 1 m 3 ft = 1 yard
2.54 cm = 1 inch
12 inch = 1 ft

8. Which product is the most expensive per 1 mL?
Compete in teams of two or three.
Must show all work.
Not a race… points are based on correct answers!

9. Order from most expensive (#1) to least expensive for cost of 1 mL!

10. 16 oz of Lipton tea for $0.69 Step 1: Convert to mL
Step 2: Figure out how much 1 mL will cost

11. 2.6 oz of deodorant for $4.88 Step 1: Convert to mL
Step 2: Figure out how much 1 mL will cost

12. 1 gallon of milk is $3.54 Step 1: Convert to mL
Step 2: Figure out how much 1 mL will cost

13. 12 oz of Mr. Bubble is $3.29 Step 1: Convert to mL
Step 2: Figure out how much 1 mL will cost

14. 1.5 quart is $4.65 Step 1: Convert to mL
Step 2: Figure out how much 1 mL will cost