Keystones — Bedrock
Five GCSE retrieval questions · 8 June 2023 · mathsvault.uk/keystones
-
1. Number
Calculate: 79 + 36
Answer: 79 + 36 = 115 -
2. Algebra
Simplify: 8x + 8x
Answer: 16x -
3. Geometry
Opposite = 14cm, hypotenuse = 16.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics
Find the mean of: 5, 19, 8
Answer: 10.666666666667