Keystones — Bedrock
Five GCSE retrieval questions · 25 December 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 88 + 99
Answer: 88 + 99 = 187 -
2. Algebra
Solve: x + 13 = 24
Answer: x = 11 -
3. Geometry
Opposite = 8cm, hypotenuse = 9.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 21:18
Answer: 7:6 -
5. Statistics
Find the mean of: 7, 17, 9
Answer: 11