3.5: Unit Prices

3.5: Unit Prices

Multiple Choice

1L = _________mL

• 10

• 100

• 1000

• 100000

Multiple Choice

1kg = ______ g

• 10

• 100

• 1000

• 1000000

Multiple Choice

500 mL = _____ L

• 0.5

• 5

• 50

• 50000

Multiple Choice

100 g = _____ kg

• 0.1

• 1

• 10

• 1000

Multiple Select

Which of the following items are usually sold by weight at a grocery store? (check all that apply)

• Most Fruits and Vegetables

• Ground Beef

• Milk

• Granola Bars

• Nuts and Seeds (not in containers)

Using Unit Prices

A unit price is the total price for a package divided by the number of units or items in a package.

Multiple Choice

A 12-pack of pop sells for $5.99. Determine the unit price for one can.

• $1.00

• $0.75

• $0.60

• $0.50

Multiple Choice

Determine the unit price of the item pictured.

• $0.67

• $1.00

• $1.20

• $2.00

Multiple Choice

Determine the unit price for a 148 pack of diapers that retails for $39.99.

• $0.27

• $1.00

• $0.50

• $0.70

Unit Price Comparison Volume

• A 2 L bottle of ketchup costs $7.99. A 500 mL bottle of ketchup costs $3.99.

• Determine the better value per Litre.

Multiple Choice

500 mL = ______ L

• 0.5

• 5

• 50

• 5000

Multiple Choice

The 2 L bottle of ketchup costs $7.99. Determine the cost per litre. **Hint -

$$7.99\div2$$  

• $3

• $4

• $5

• $6

Multiple Choice

The 0.5 L bottle of ketchup costs $3.99. Determine the cost per litre. **Hint -

$$3.99\div0.5$$  

• $5.98

• $6.98

• $7.98

• $8.98

Multiple Choice

Which bottle is the better value?

• 2 L for $7.99

• 500 mL for $3.99

Multiple Choice

Imagine you are in a grocery store and see three options for buying apples. You can buy:

• individual applesat $1.99/lb

• a 2.5 lb bag of the same apples for $3.99

• a 20 lb box of the same apples for $19.99

Open Ended

Give one reason why someone may purchase the product with the higher unit price?

Open Ended

Think about other products in a grocery store. Are there some products where the only important factor to you is price?

Open Ended

When you go shopping and see different options for buying an item (eg., different sizes, multi-pack, etc...), how do you decide which one to purchase?

Multiple Choice

Determine the unit price of the following item:

8 ounce coffee for $1.65

• $1.65 per ounce

• $0.75 per ounce

• $0.30 per ounce

• $0.21 per ounce

Multiple Choice

Determine the unit price of the following item:

12 ounces of prime rib for $19.80

• $1.65 per ounce

• $0.75 per ounce

• $0.30 per ounce

• $0.21 per ounce

Multiple Choice

Determine the unit price of the following item:

$3.99 for 12 eggs

• $1.00 per egg

• $0.33 per egg

• $0.75 per egg

• $0.21 per egg

Multiple Choice

Determine the unit price of the following item:

$6.99 for 18 eggs

• $1.00 per egg

• $0.39 per egg

• $0.75 per egg

• $0.21 per egg

Multiple Choice

Determine the unit price of the following item:

$5.29 for 2 L carton of milk

• $2.65 per L

• $0.39 per L

• $3.75 per L

• $1.21 per L

​Making a Grocery List

• ​Check out a local flyer or use the site below to create your shopping list for the week based on a grocery store in your area.

• ​save.ca

• When making your list, identify the item, the number of items you'd like to buy and the cost of the item.

Homework

Warm-up Page 82 #1-6

page 83-85 #2-5