Keystones — Lintel
Five GCSE retrieval questions · 12 August 2022 · mathsvault.uk/keystones
-
1. Number
Add: 2⁄5 + 2⁄3
Answer: 16⁄15 -
2. Algebra
Solve: 8x - 6 = 2x + 54
Answer: x = 10 -
3. Geometry
Find c if a = 16cm and b = 16cm in a right triangle
Answer: 22.6cm -
4. Ratio
Find 64% of 219
Answer: 140.16 -
5. Statistics
A bag has 6 red and 6 blue balls. What is the probability of picking a red ball?
Answer: 1⁄2