Keystones — Bedrock
Five GCSE retrieval questions · 13 July 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 76
Answer: 45 + 76 = 121 -
2. Algebra Substitution
If x = 6, find the value of 2x + 4
Answer: 16 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:24
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 5, 6, 18, 14
Answer: 10.75