Cost and Measurement Problems

This video tutorial for grade six students covers unit rates and the use of double number lines to solve problems involving ratios. It begins with an introduction to unit rates, followed by a number talk on mental strategies for finding quotients. The main lesson focuses on using double number lines to calculate costs, with practical examples involving avocados, water bottles, and flour. The video concludes with practice problems and homework assignments to reinforce the concepts learned.

What is the quotient of 246 divided by 12?

• 18

• 21

• 20

• 24

If 8 avocados cost $4, how much would 16 avocados cost?

• $8

• $6

• $12

• $10

How much would 20 avocados cost if 8 avocados are $4?

• $14

• $12

• $8

• $10

If 12 large bottles of water cost $9, how many bottles can you buy for $3?

• 4

• 3

• 2

• 5

What is the cost per bottle of water if 4 bottles cost $3?

• $1.00

• $1.25

• $0.75

• $0.50

If 10 pounds of flour cost $8, how much does 40 pounds cost?

• $36

• $24

• $28

• $32

What is the cost per pound of flour if 5 pounds cost $4?

• $0.70

• $0.60

• $0.80

• $0.90

If 4 movie tickets cost $48, what is the cost of 5 tickets?

• $60

• $65

• $55

• $50

Did Karen double Claire's smoothie recipe correctly?

• No, he used the wrong ingredients

• No, he used too much of some ingredients

• Yes, exactly

• No, he used too little of some ingredients

What is the area of all the faces of the shape excluding the bottom?

• Calculate only the left and right

• Calculate only the front and back

• Calculate only the top and bottom

• Calculate the top, front, back, left, and right