Drills
Forming a rate per unit, using it in both directions, and converting it between units.
Author note — to cover
- Fluency — pay from hours and unit prices from pack prices, including part hours as exact fractions of an hour (4 questions).
- Flow — filling and emptying times from a stated rate, litres and minutes chosen to divide exactly (4 questions).
- Converting — rates rewritten in new units, like pence per gram into pounds per kilogram, where scaling only one of the two units is the trap (4 questions).
The test
—coming soon—
Where to go next
This mixed review uses the methods from these learning pages: