Keystones — Bedrock
Five GCSE retrieval questions · 6 May 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 99 + 23
Answer: 99 + 23 = 122 -
2. Algebra Substitution
If x = 4, find the value of 8x + 7
Answer: 39 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:15
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 3, 2, 11, 19
Answer: 8.75