Keystones — Cornerstone
Five GCSE retrieval questions · 19 August 2022 · mathsvault.uk/keystones
-
1. Number
Calculate: 76 + 95
Answer: 76 + 95 = 171 -
2. Algebra
Factorise: 7x² + 9x
Answer: x(7x + 9) -
3. Geometry
Opposite = 6cm, hypotenuse = 12cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics
Calculate the range of: 51, 62, 57, 69, 28, 60
Answer: 41