Keystones — Bedrock
Five GCSE retrieval questions · 28 July 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 15
Answer: 33 + 15 = 48 -
2. Algebra Substitution
If x = 10, find the value of 8x + 11
Answer: 91 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 13, 9, 4, 13, 5
Answer: 8.8