Keystones — Lintel
Five GCSE retrieval questions · 24 November 2022 · mathsvault.uk/keystones
-
1. Number
Add: 1⁄4 + 2⁄3
Answer: 11⁄12 -
2. Algebra
Solve: 7x = 84
Answer: x = 12 -
3. Geometry
A right triangle has hypotenuse 13cm and one side 5cm. Find its area
Answer: 30cm² -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
A bag has 8 red and 5 blue balls. What is the probability of picking a red ball?
Answer: 8⁄13