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Math / Ratios / Grade 7 / mr7c3

Use a Fixed Map Scale - Practice 2

A scale links a map length to a real distance.

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A scale links a map length to a real distance. Multiply the map distance by the real distance represented by each map unit.

Worked example

At 1 cm : 4 km, a 6 cm route represents 6 x 4 = 24 km.

At 1 cm : 4 km, a 6 cm route represents 6 x 4 = 24 km.
Worked model: At 1 cm : 4 km, a 6 cm route represents 6 x 4 = 24 km.
Question 1 On a fictional map, 1 cm represents 3 km. A route is 7 cm long on the map. How many km does it represent?
Question 2 On a fictional map, 1 cm represents 3 km. A route is 8 cm long on the map. How many km does it represent?
Question 3 On a fictional map, 1 cm represents 3 km. A route is 9 cm long on the map. How many km does it represent?
Question 4 On a fictional map, 1 cm represents 3 km. A route is 10 cm long on the map. How many km does it represent?
Question 5 On a fictional map, 1 cm represents 3 km. A route is 11 cm long on the map. How many km does it represent?