#1 Which of the following communities uses on average between 250 and 450 L/person/day of water? Select all that apply.

B. Vancouver

C. Port Alberni

D. Prince George

#2 Which representation of a family’s weekly water use best illustrates where and how water could be saved?

A

B

C

D

#3 A family of four wants to calculate each family member’s daily water use from the appliances they share (dishwasher and clothes washer). The family does 6 dishwasher loads and 5 clothes washer loads each week. Select one expression they could use to do this calculation.

A

B

C

D

#4 A family of four decides to challenge themselves to use less water. For 1 week, they record their water use. The family has decided on some strategies to reduce their total water use. Which strategies are unreasonable? Select all that apply.

Parent 1 strategy: Fix leaks

Parent 1 strategy: Use the clothes washer 1 time/week

Parent 2 strategy: Reduce tap use by 1/4

Sibling 1 strategy: Reduce shower time by 1/3

Sibling 1 strategy: Pack the dishwasher more efficiently and run 5 loads/week

Sibling 2 strategy: Wash and rinse dishes by hand instead of using the dishwasher

#5 You want to estimate the number of people who might have lived in a pit house. Which of the following is required to determine the floor area needed?

ladder length

pit house height

area required for living space

dimensions of the top opening

#6 Which expression could you use to estimate how many adults lived in a pit house with a diameter of 9 m?

A

B

C

D

#7 Which strategies could you use to estimate how many people lived in 12 pit houses of similar size? Select all that apply.

Estimate the number of people who lived in 1 pit house and divide by 12

Estimate the number of people who lived in 1 pit house and multiply by 12.

Estimate the total area of 12 pit houses and divide by the area required for 1 person

Estimate the total area of 12 pit houses and multiply by the area required for 1 person.

#8 An archeologist calculated how many people lived in a pit house with a floor area of 63 m2. He divided 63 m2 by 4 and said 15.75 people. This is incorrect. What mistakes did the archeologist make? Select all that apply