Keystones — Lintel
Five GCSE retrieval questions · 17 January 2022 · mathsvault.uk/keystones
-
1. Number
Calculate: 121 + 251
Answer: 121 + 251 = 372 -
2. Algebra
Factorise fully: 14x² + 12x
Answer: 2x(7x + 6) -
3. Geometry
Adjacent = 17cm, hypotenuse = 23cm. Find the angle
Answer: 42.3° -
4. Ratio
Find 53% of 167
Answer: 88.51 -
5. Statistics
Find the range of: 5, 21, -14, -23, 7
Answer: 44