Keystones — Bedrock
Five GCSE retrieval questions · 17 January 2022 · mathsvault.uk/keystones
-
1. Number
Calculate: -4 + 3
Answer: -1 -
2. Algebra
Factorise: 16x + 6
Answer: 2(8x + 3) -
3. Geometry
Opposite = 9cm, hypotenuse = 12.7cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 25% of 106
Answer: 26.5 -
5. Statistics
Find the range of: 33, 18, 7, 32, 12
Answer: 26