Keystones — Lintel
Five GCSE retrieval questions · 25 December 2023 · mathsvault.uk/keystones
-
1. Number
Calculate: 794 + 762
Answer: 794 + 762 = 1556 -
2. Algebra
Factorise fully: 12x² + 21x
Answer: 3x(4x + 7) -
3. Geometry
A right triangle has hypotenuse 10cm and one side 6cm. Find its area
Answer: 24cm² -
4. Ratio
Find 57% of 336
Answer: 191.52 -
5. Statistics
Find the range of: -1, 12, 22, -4, -30
Answer: 52