Math 8 - Chapter 2

Match the following

• Proportion

• $2.75 per tin

• Unit price

• 27 km/h

• Unit rate

• Ratio

• 4:3:2

• Three-term ratio

Use the square tile pattern to find the ratio of red squares to blue squares.

Use the square tile pattern to find the ratio of blue squares : total squares.

Use the square tile pattern to find the percent of squares that are red.

Stephanie counted 20 vehicles in a parking lot. Of these, five were silver, four were blue, two were red, and one was yellow.

• Ratio of yellow to red to silver vehicles

• 1 : 2 : 5

• The ratio of silver to total vehicles as a fraction and percentage.

• 8

• The ratio 5:8 might represent...

• Ratio of silver to vehicles that are not silver/blue/red/yellow

• Number of vehicles that were NOT silver, blue, red, or yellow

• Blue : Total vehicles

• The ratio 4 to 20 might represent...

A football team won 10 of its 18 games and lost the rest.

• Number of games won

• 10 : 8

• Win-loss ratio

• 10

• Ratio of losses to total games

• 8

• Number of games lost

• 8 : 18

Match the situations with their unit rates.

• A polar bear gains 450 kilograms in nine years

• 50 steps/min

• $3.60 is the price of 4 litres of milk

• 50 kg/yr

• A jet travels 2184 kilometers in 3.5 hours

• 624 km/h

• Steven runs up 300 steps in 6 minutes

• $0.90/L

Match the following

• Ratio

• $2.99/kg

• Unit price for bananas in Little Grand Rapids

• 4.09 : 1.39

• Difference in banana unit price between communities

• $5.49 for 720 mL of ravioli

• Unit price for bananas in Winnipeg

• $4.65/kg

• Rate

• $1.66/kg

Shelly rode her mountain bike at a rate of 30 km/h for 2.5 h.

Josh rode his mountain bike at a rate of 35 km/h for 1 h and then slowed down to 25 km/h for 1.5 h.

Who traveled farther in 2.5 hours?

Shelly rode her mountain bike at a rate of 30 km/h for 2.5 h.

Josh rode his mountain bike at a rate of 35 km/h for 1 h and then slowed down to 25 km/h for 1.5 h.

What is the difference in the distance travelled by the cyclists?