Keystones — Lintel
Five GCSE retrieval questions · 17 September 2023 · mathsvault.uk/keystones
-
1. Number
Calculate: (-22) + (-20) + (-17)
Answer: -59 -
2. Algebra
Solve: 3x = 18
Answer: x = 6 -
3. Geometry
Adjacent = 30cm, hypotenuse = 41cm. Find the angle
Answer: 43° -
4. Ratio
Simplify: 10:6:8
Answer: 5:3:4 -
5. Statistics
Calculate the mean of: 31, 39, 47, 40, 7, 13
Answer: 29.5