You can also explain what makes it different by representing each width and height pair with a ratio.

In one version of a trail mix, there are 3 cups of peanuts mixed with 2 cups of raisins. In another version of trail mix, there are 4.5 cups of peanuts mixed with 3 cups of raisins. Are the ratios equivalent for the two mixes? Explain your reasoning.
For this object, choose an appropriate scale for a drawing that fits on a regular sheet of paper:
A person

1 in : 1 ft

1: 1000

1 ft: 1 mile

1: 100,000

1: 10,000,000

1 mm: 1 km

1 cm : 1 m
For this object, choose an appropriate scale for a drawing that fits on a regular sheet of paper:
A football field (120 yards by 53 yards)

1: 100,000

1 cm : 1 m

1: 1000

1: 10,000,000

1 in : 1 ft

1 ft: 1 mile

1 mm: 1 km
For this object, choose an appropriate scale for a drawing that fits on a regular sheet of paper:
The state of Washington (about 240 miles by 360 miles)

1: 1000

1 mm: 1 km

1 cm : 1 m

1: 10,000,000

1 ft: 1 mile

1 in : 1 ft

1: 100,000
For this object, choose an appropriate scale for a drawing that fits on a regular sheet of paper:
The floor plan of a house

1 ft: 1 mile

1 in : 1 ft

1: 1000

1: 10,000,000

1 mm: 1 km

1 cm : 1 m

1: 100,000
For this object, choose an appropriate scale for a drawing that fits on a regular sheet of paper:
A rectangular farm (6 miles by 2 mile)

1: 10,000,000

1: 1000

1 cm : 1 m

1: 100,000

1 ft: 1 mile

1 mm: 1 km

1 in : 1 ft
Which scale is equivalent to 1 cm to 1 km?

1 to 1000

10,000 to 1

100,000 to 1

1 to 1,000,000

1 to 100,000