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Year 9

Making cities greener

I can understand various approaches to improve local environments.

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Year 9

Making cities greener

I can understand various approaches to improve local environments.

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Lesson details

Key learning points

  1. One approach could be improving walking or cycling routes
  2. One approach could be creating new green spaces

Keywords

  • Forecast - A forecast is a prediction of a future event occurring (based on data).

  • Extrapolation - Extrapolation is the process of estimating unknown values that are outside the range of existing data.

  • Climate - Climate is the average weather pattern in an area across a long period of time.

  • Urban - Urban is a word to describe a town or city, or certain properties of towns and cities.

Common misconception

An urban area should implement all of the strategies to make itself greener.

Not all strategies are viable for every urban area and some will be more effective than others depending on the location.


To help you plan your year 9 maths lesson on: Making cities greener, download all teaching resources for free and adapt to suit your pupils' needs...

Pupils could investigate if there are any other urban greening strategies that cities around the world have tried that are not mentioned in this lesson. What is the impact of these strategies? What makes them successful (if they are)?
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Licence

This content is © Oak National Academy Limited (2025), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

Lesson video

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6 Questions

Q1.
There are 800 g of bread to be shared between 5 people. This means that there are g per person.
Correct Answer: 160, one hundred and sixty
Q2.
Find 24% of 160.
Correct Answer: 38.4, thirty eight point four
Q3.
What is 0.75% as a decimal?
Correct answer: 0.0075
0.075
0.75
7.5
75
Q4.
Decrease 800 by 5%.
Correct Answer: 760, seven hundred and sixty
Q5.
Which calculations would decrease 1572 by 12.5%?
$$1572 \times 0.125$$
Correct answer: $$1572 \times 0.875$$
Correct answer: $$1572 - 0.125 \times 1572$$
$$1572 - 0.875 \times 1572$$
Q6.
Laura spends a total of 146 hours doing exercise in a year. This would suggest that Laura does hours of exercise per day, on average.
Correct Answer: 0.4, zero point four, 0.3989

6 Questions

Q1.
In 2021, the total transport emissions in Rotherham was 540.7 kt of CO$$_{2}$$. In 2022, this was reduced by 15% to kt of CO$$_{2}$$ (to 1 decimal place).
Correct Answer: 459.6
Q2.
In 2021, the population of Rotherham was 266 183 and the total transport emissions was 540.7 kt of CO$$_{2}$$. This is equivalent to kt of CO$$_{2}$$ per person (to 3 significant figures).
Correct Answer: 0.00203
Q3.
A bus depot is 7950 m$$^2$$. Each bus requires a minimum area of 200 m$$^2$$ per bus. What is the maximum number of buses that can be stored in the depot?
Correct Answer: 39
Q4.
The area of Rotherham is 287 km$$^2$$ and the population is 266 183. This means that there is __________ km$$^2$$ per person (to 3 significant figures).
Correct answer: 0.00108
0.927
1.08
927
Q5.
The area of Rotherham is 287 km$$^2$$ and the population is 266 183. This means that there are __________ people per km$$^2$$ (to 3 significant figures).
0.00108
0.927
1.08
Correct answer: 927
Q6.
Starting with the least, sort the locations in ascending order by the amount of transport emissions per person.
An image in a quiz
1 - Blaenau Gwent
2 - York
3 - Hartlepool
4 - Buckinghamshire