Keystones — Bedrock
Five GCSE retrieval questions · 7 November 2026
-
1. Number Simplifying fractions
Simplify: 9⁄15
Answer: 3⁄5 -
2. Algebra Next term in a sequence
Find the next term: 7, 9, 11, 13, ...
Answer: 15 -
3. Geometry Properties of polygons
Calculate one exterior angle of a regular 8-sided polygon
Answer: 45° -
4. Ratio Sharing in a ratio
Share 40 in the ratio 1:4
Answer: 8 and 32 -
5. Statistics Median
Find the median of: 13, 19, 16, 5, 15
Answer: 15