Length Conversion Problem Solving

Name:

Date:

📏 Part 1: Converting Between Kilometres and Metres

Remember: 1 kilometre = 1,000 metres

1. Convert these measurements:

a) 3 kilometres = _______ metres

b) 5,000 metres = _______ kilometres

c) 2.5 kilometres = _______ metres

d) 8,500 metres = _______ kilometres

2. Which is longer? Circle your answer:

3 kilometres or 2,800 metres

1.5 kilometres or 1,600 metres

750 metres or 1 kilometre

3. A runner completes a 5 kilometre race, then walks 250 metres to the car park. How far has the runner travelled in total?

Estimate first: About _______ metres

Exact answer: _______ metres or _______ kilometres

🚴 Part 2: Multi-Step Problems

4. A cyclist travels 8 kilometres from home to the shops, then 1,750 metres from the shops to the park. How much further is it from home to the park than from home to the shops?

Estimate first: About _______ metres

Answer: _______ metres

5. Three friends are comparing their morning walks:

• Sarah walked 2.3 kilometres

• Tom walked 2,150 metres

• Emma walked 2,450 metres

Put them in order from shortest to longest walk:

1st (shortest): _____________

2nd (middle): _____________

3rd (longest): _____________

6. A school is planning a sponsored walk. The route is 4.5 kilometres long. If pupils have already walked 2,800 metres, how much further do they need to walk?

Answer: _______ metres or _______ kilometres

🤔 Part 3: Reasoning and Explanation

7. James says "5,500 metres is the same as 5.5 kilometres." Is he correct? Explain your reasoning.

8. A delivery driver travels 15 kilometres in the morning and 8,750 metres in the afternoon. Estimate the total distance travelled and explain why estimation is helpful when solving measurement problems.

Estimate: About _______ kilometres