Keystones — Lintel
Five GCSE retrieval questions · 22 January 2025 · mathsvault.uk/keystones
-
1. Number
Find the total of 218, 153, and 136
Answer: 507 -
2. Algebra
Solve: 8x = 56
Answer: x = 7 -
3. Geometry
Find c if a = 15cm and b = 25cm in a right triangle
Answer: 29.2cm -
4. Ratio
Find 38% of 207
Answer: 78.66 -
5. Statistics
Calculate the mean of: 36, 17, 39, 47, 6, 8, 14
Answer: 23.9