Keystones — Bedrock
Five GCSE retrieval questions · 2 September 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 30
Answer: 48 + 30 = 78 -
2. Algebra Substitution
If x = 7, find the value of 6x + 6
Answer: 48 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:28
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 14, 3, 13
Answer: 10