Worked example
A map scale says 1 cm = 2 km. How far is a 3 cm route?
Answer & why
Answer: 6 km
3 × 2 = 6 kilometers.
Grade 4 · Social studies
Use a simple map scale
Convert stated map distances using a scale.
8 authored questions + worked example
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All questions
All 8 authored questions for this skill.
Question 1
A map scale says 1 cm = 5 km. How far is a 4 cm route?
- 20 km
- 4 km
- 10 km
- 6 km
A hint
Multiply the map distance by the real distance represented by one unit.
Answer & why
Answer: 20 km
4 × 5 = 20 kilometers.
Question 2
A map scale says 1 cm = 4 km. How far is a 3 cm route?
- 12 km
- 6 km
- 8 km
- 10 km
A hint
Multiply the map distance by the real distance represented by one unit.
Answer & why
Answer: 12 km
3 × 4 = 12 kilometers.
Question 3
A map scale says 1 cm = 2 km. How far is a 3 cm route?
- 12 km
- 6 km
- 10 km
- 8 km
A hint
Multiply the map distance by the real distance represented by one unit.
Answer & why
Answer: 6 km
3 × 2 = 6 kilometers.
Question 4
A map scale says 1 cm = 5 km. How far is a 2 cm route?
- 10 km
- 9 km
- 12 km
- 8 km
A hint
Multiply the map distance by the real distance represented by one unit.
Answer & why
Answer: 10 km
2 × 5 = 10 kilometers.
Question 5
A map scale says 1 cm = 3 km. How far is a 4 cm route?
- 9 km
- 20 km
- 12 km
- 8 km
A hint
Multiply the map distance by the real distance represented by one unit.
Answer & why
Answer: 12 km
4 × 3 = 12 kilometers.
Question 6
A map scale says 1 cm = 4 km. How far is a 2 cm route?
- 20 km
- 15 km
- 9 km
- 8 km
A hint
Multiply the map distance by the real distance represented by one unit.
Answer & why
Answer: 8 km
2 × 4 = 8 kilometers.
Question 7
A map scale says 1 cm = 2 km. How far is a 5 cm route?
- 20 km
- 4 km
- 10 km
- 15 km
A hint
Multiply the map distance by the real distance represented by one unit.
Answer & why
Answer: 10 km
5 × 2 = 10 kilometers.
Question 8
A map scale says 1 cm = 3 km. How far is a 3 cm route?
- 6 km
- 15 km
- 9 km
- 4 km
A hint
Multiply the map distance by the real distance represented by one unit.
Answer & why
Answer: 9 km
3 × 3 = 9 kilometers.