Keystones — Cornerstone
Five GCSE retrieval questions · 14 October 2021 · mathsvault.uk/keystones
-
1. Number
Calculate: -9 + 0
Answer: -9 -
2. Algebra
Solve: 9x = 117
Answer: x = 13 -
3. Geometry
Opposite = 8cm, hypotenuse = 11.3cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Find 56% of 187
Answer: 104.72 -
5. Statistics
Find the range of: 20, 16, 29, 6, 8
Answer: 23