Keystones — Bedrock
Five GCSE retrieval questions · 14 May 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 64
Answer: 26 + 64 = 90 -
2. Algebra Substitution
If x = 8, find the value of 4x + 7
Answer: 39 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:28
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 10, 13, 12, 9
Answer: 11