Quantities, units and modelling
Use SI units and dimensional analysis; understand mathematical modelling assumptions in mechanics
What you'll learn
- 1
Imagine you're baking a cake 🎂. The recipe says '500 g flour' — that's a quantity with a unit (grams). Modelling means using maths to describe real things like this!
- 2
Which of these is a quantity with a unit?
- 3
Drag the slider to show 3.5 metres on the number line.
- 4
A car travels at 60 km/h for 2 hours. How far does it go?
- 5
If distance = 50t and t = 3, what is the distance?
- 6
The temperature outside is 15°C. It drops by 8°C. Use the thermometer to show the new temperature.
- 7
A model says: cost = 10 + 5x, where x is number of hours. What is the cost for 4 hours?
Practise Quantities, units and modelling with Whizlo
Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 16–18. Aligned to the UK National Curriculum.