Keystones — Lintel
Five GCSE retrieval questions · 16 September 2022 · mathsvault.uk/keystones
-
1. Number
Calculate: (-27) + (-13) + (-5)
Answer: -45 -
2. Algebra
Factorise fully: 24x² + 28x
Answer: 4x(6x + 7) -
3. Geometry
Opposite = 10cm, adjacent = 11cm. Calculate the angle
Answer: 42.3° -
4. Ratio
Simplify: 15:12:12
Answer: 5:4:4 -
5. Statistics
Find the range of: 1, -27, 23, 30, 0
Answer: 57