Keystones — Lintel
Five GCSE retrieval questions · 18 March 2024 · mathsvault.uk/keystones
-
1. Number
Calculate: 1⁄2 + 1⁄4 + 1⁄2
Answer: 5⁄4 -
2. Algebra
Factorise fully: 21x² + 18x
Answer: 3x(7x + 6) -
3. Geometry
Calculate the distance between (9, 7) and (12, 11)
Answer: 5 -
4. Ratio
Simplify: 6:9:15
Answer: 2:3:5 -
5. Statistics
A spinner has 4 red, 6 blue and 2 green sections. Probability of landing on red?
Answer: 1⁄3