Unit Price and Cost Calculations

The video tutorial covers the use of ratios to determine the cost of individual items, using examples like avocados, water bottles, flour, chips, books, and bracelets. It introduces mental division techniques, double number line diagrams, and shortcuts for finding unit prices. The lesson emphasizes understanding the concept of 'per' as 'for one' and provides strategies for calculating costs using division and multiplication.

What is the quotient of 246 divided by 12 when calculated mentally?

• 22

• 20.5

• 24

• 18

If 8 avocados cost $4, how much would 16 avocados cost using a double number line?

• $12

• $10

• $8

• $6

What is the unit price of one avocado if 8 avocados cost $4?

• $1.00

• $0.25

• $0.50

• $0.75

How many water bottles can you buy for $3 if 12 bottles cost $9?

• 2

• 5

• 3

• 4

What is the cost per pound of flour if a 10-pound sack costs $8?

• $0.50

• $1.00

• $0.70

• $0.80

If 4 bags of chips cost $6, what is the cost per bag?

• $1.25

• $1.00

• $1.75

• $1.50

How much would 7 bags of chips cost if each bag is $1.50?

• $10.00

• $11.00

• $10.50

• $9.50

If 5 books cost $15, how many books can you buy for $21?

• 6

• 9

• 7

• 8

What is the cost per bracelet if 4 bracelets cost $1?

• $0.20

• $0.15

• $0.25

• $0.10

Which strategy can be used to find the unit price of an item?

• Addition

• Subtraction

• Multiplication

• Double number line