Keystones — Lintel
Five GCSE retrieval questions · 8 November 2022 · mathsvault.uk/keystones
-
1. Number
What is the missing number: 79 + ? = 101
Answer: 22 -
2. Algebra
Solve: 9x = 27
Answer: x = 3 -
3. Geometry
Calculate the hypotenuse when a = 4cm and b = 15cm
Answer: 15.52cm -
4. Ratio
Calculate 23.1% of 268
Answer: 61.91 -
5. Statistics
A spinner has 6 red, 4 blue and 2 green sections. Probability of landing on red?
Answer: 1⁄2