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Year 9 - Maths

Construction

Maths in the workplace

Unit Summary

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Lesson Summary

You will learn to understand how maths is used in the construction industry.

Key Notes

  • Costs can be minimised by efficiently calculating material requirements
  • Electricians need to be able to use Ohm's law
  • An understanding of flow rates helps plumbers install the correct equipment

Vocabulary To Learn

  • Front elevation: The front elevation of a solid is the view of it from the front.
  • Side elevation: The side elevation of a solid is the view of it from the side.
  • Area: The area is the size of the surface and states the number of unit squares needed to completely cover that surface.

Common Mistakes To Avoid

  • Pupils may substitute incorrectly.

3 Quick Questions (With Answers)

1. Solve this in steps: explain the method from this lesson and why each step matters.

Costs can be minimised by efficiently calculating material requirements. Electricians need to be able to use Ohm's law.

2. Use this key word in a maths sentence and explain it clearly. 'Front elevation'

The front elevation of a solid is the view of it from the front. 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 substitute incorrectly. Correction: Each variable in a formula represents something. Substituting for one variable at a time may help ensure that values are in the correct places.

More Lessons In This Unit

Browse all guides in the Year 9 Maths guide library.