Year 9 - Maths
Considering a route
Maths and the environment
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
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Lesson Summary
You will learn to plan a journey and consider which available form of transport is best.
Key Notes
- Journey planners can aid when deciding how to travel to a location
- Journey planners have limitations
- It is important to consider the implications of each form of transport
Vocabulary To Learn
- Estimate: A quick estimate for a calculation is obtained from using approximate values, often rounded to 1 significant figure.
Common Mistakes To Avoid
- Pupils may add together costs that are expressed in different units (e.g. the cost of petrol in pence and the cost of a car park in pounds) without considering the implications on place value.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
Journey planners can aid when deciding how to travel to a location. Journey planners have limitations.
2. Use this key word in a maths sentence and explain it clearly. 'Estimate'
A quick estimate for a calculation is obtained from using approximate values, often rounded to 1 significant figure. Use this word when showing your method, then check your final answer is reasonable.
3. Spot and fix this common maths mistake.
Mistake: Pupils may add together costs that are expressed in different units (e.g. the cost of petrol in pence and the cost of a car park in pounds) without considering the implications on place value. Correction: Writing units on your answers to each stage of working can help you to double check whether numbers in subsequent calculations are expressed in the same units.
More Lessons In This Unit
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